EVAL-AD7172-4SDZ - ANALOG DEVICES

EVAL-AD7172-4SDZ User Guide

UG-763

One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com

Evaluating the AD7172-4 Low Power 24-Bit, 31.25 kSPS, Sigma-Delta ADC with

True Rail-to-Rail Buffers

PLEASE SEE THE LAST PAGE FOR AN IMPORTANT

WARNING AND LEGAL TERMS AND CONDITIONS. Rev. A | Page 1 of 31

FEATURES

Full featured evaluation board for the AD7172-4

PC control in conjunction with the system demonstration

platform (SDP), see the EVAL-SDP-CB1Z from

Analog Devices, Inc., for additional information

PC software for control and data analysis (time domain)

Standalone capability

EVALUATION KIT CONTENTS

EVAL-AD7172-4SDZ evaluation board

Evaluation software CD

7 V to 9 V ac to dc adapter

Plastic screw washer set

EQUIPMENT NEEDED

DC signal source

GENERAL DESCRIPTION

The E VA L -AD7172-4SDZ evaluation kit features the AD7172-4,

a 24-bit, 31.25 kSPS analog-to-digital converter (ADC) with

integrated rail-to-rail analog input buffers, on-board power

supply regulation, and an external amplifier section for amplifier

evaluation. A 7 V to 9 V ac to dc adapter is regulated to 5 V and

3.3 V; this voltage supplies the AD7172-4 and support compo-

nents. The E VA L -AD7172-4SDZ connects to a USB port of a PC

via the E VA L -SDP-CB1Z (SDP-B)controller board.

The E VA L -AD7172-4SDZ evaluation software fully configures

the AD7172-4 device functionality via a user accessible register

interface and provides dc time domain analysis in the form of

waveform graphs, histograms, and associated noise analysis for

ADC performance evaluation.

EVAL-AD7172-4SDZ BLOCK DIAGRAM

Figure 1.

POWER

STATUS

LED

ADSP-BF527

USB

ON-BOARD

NOISE TEST

7V TO 9V

VIN

SCLK

DIN

DOUT/RDY

ADP7104

5V LDO

ADP7118

5V LDO

ADP7118

3.3V LDO

ADR445

5V VREF

TO VCM (92.5V) SDP-B

AIN0/REF2–

AVSS

CROSSPOINT

MULTIPLEXER

AVDD

Σ-Δ ADC

AVSS

SERIAL

INTERFACE

AND

CONTROL

SYNC

ERROR

I/O AND EXTERNAL

MUX CONTROL

GPIO0PDSW GPIO1

AVDD1 AVDD2

1.8V

LDO

REGCAPA IOVD D

1.8V

LDO

REGCAPD

DGND

REF+REF–

RAIL-TO-RAIL

REFERENCE

INPUT

BUFFERS

RAIL-TO-RAIL

ANALOG

INPUT

BUFFERS

XTAL1 XTAL2/CLKIO

GPIO2 GPIO3

XTAL AND INTERNAL

CLOCK OSCILLATOR

CIRCUITRY

AD7172-4

DIGITAL

FILTER

ADP7182

–2.5V LDO ADM660

ADP7104 +5V

–2.5V

AVSS

OPTION

ADA4528-2

IN-AMP

CONFIGURED

ADA4528-2

OPEN

CONFIG

AD8475

±10VINPUT

OPTION

AMP

SURFBOARD

CONNECTOR

EXTERNA LANALOG SIGNAL

CONDITIONING PLAYGROUND

AIN1/REF2+

AIN7

AIN8

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TABLE OF CONTENTS

Features .............................................................................................. 1

Evaluation Kit Contents ................................................................... 1

Equipment Needed ........................................................................... 1

General Description ......................................................................... 1

E VA L-AD7172-4SDZ Block Diagram ........................................... 1

Revision History ............................................................................... 2

E VA L-AD7172-4SDZ Quick Start Guide ...................................... 3

Recommended Quick Start Guide ............................................. 3

Quick Start Noise Test ................................................................. 3

Evaluation Board Hardware ............................................................ 4

Device Description ....................................................................... 4

Hardware Link Options ............................................................... 4

Sockets and Connectors .............................................................. 5

Serial Interface .............................................................................. 5

Power Supplies .............................................................................. 5

Power Supply Configurations ..................................................... 6

Analog Inputs.................................................................................6

Reference Options .........................................................................6

Evaluation Board Software ...............................................................7

Software Installation .....................................................................7

Setting Up the System for Data Capture ....................................9

Evaluation Board Software Operation ......................................... 10

Overview of the Main Window ................................................ 11

Configuration Tab (1) ................................................................ 11

Waveform Tab (18) ..................................................................... 12

Histogram Tab (18) .................................................................... 13

Modelled Performance Tab (31)............................................... 14

Registers Tab ............................................................................... 17

Exiting the Software ................................................................... 17

Evaluation Board Schematics and Artwork ................................ 18

Ordering Information .................................................................... 27

Bill of Materials ........................................................................... 27

REVISION HISTORY

10/2017—Rev. 0 to Rev. A

Changes EVAL-SDP-CBIZ to SDP-B.......................... Throughout

Changes to General Description .................................................... 1

Changes to Recommended Quick Start Guide ............................. 3

Changes to Device Description Section and Table 1 ................... 4

Changes to Serial Interface Power Section and Power Supplies

Section and Table 2 ........................................................................... 5

Changes to Power Supply Configuration Section, Analog Inputs

Section, Split Supply (Regulated) Section, Split Supply

(Unregulated) Section and Reference Option Section ................ 6

Added Figure 4 and Figure 5; Renumbered Sequentially ........... 7

Changes to Software Installation Section and Figure 6 ............... 7

Changed Installing the Eval+ Dependency Drivers Section to

Installing the Eval+ Dependencies Section ................................... 8

Added Figure 7 Through Figure 10 ............................................... 8

Changes to Launching the Software Section and Figure 12 ....... 9

Added Setting up the System for Data Capture Section, Figure 13,

and Figure 14 ..................................................................................... 9

Changes to Figure 15 ...................................................................... 10

Added Figure 16.............................................................................. 10

Changes to Overview of the Main Window Section and

Configuration Tab Section ............................................................ 11

Changed Analog Supply Voltage (6 and 8) Section to Analog

and Digital Supply Voltage (6, 7, and 8) Section ........................ 11

Changes to Waveform Tab Section and Figure 17 ..................... 12

Changes to Histogram Tab Section and Figure 18 ..................... 13

Added Figure 19 and Modelled Performance Tab Section ....... 14

Added Figure 20 ............................................................................. 15

Added Figure 21 ............................................................................. 16

Changed Register Map Tab Section to Registers Tab Section .. 17

Changes to Figure 22 and Figure 22 Caption ............................. 17

Added Evaluation Board Schematics and Artwork Section ..... 18

Added Bill of Materials Section and Table 4 ............................... 27

8/2015—Revision 0: Initial Version

EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 3 of 31

EVAL-AD7172-4SDZ QUICK START GUIDE

RECOMMENDED QUICK START GUIDE

Follow these steps to set up the board:

1. Disconnect the SDP-B board from the USB port of the PC.

Install the software AD717x Eval+ from the enclosed CD.

After the AD717x Eval+ installs, the AD717x Eval+

dependencies installer runs and installs the required

drivers. Restart the PC after installation.

2. Connect the SDP-B board to the E VA L -AD7172-4SDZ

board, as shown in Figure 2.

3. Fasten the two boards with the enclosed plastic

screw washer set.

4. Connect the external 9 V power supply to the J5 connector

of the evaluation board, as shown in Figure 2. Set LK2 to

Position B.

5. Connect the SDP-B to the PC via the USB cable. For

Windows® XP, the user may need to search for the SDP-B

drivers.

6. Choose to automatically search for the drivers for the SDP-B

board if prompted by the Windows operating system.

7. Launch the AD717x Eval+ software from the Analog

Devices subfolder in the Programs menu.

QUICK START NOISE TEST

Use the following procedure to test the noise performance:

1. Insert Link LK8 to Link LK16 to initiate the noise

performance test mode. In this mode, analog input

channels short to VCM, which is equal to 2.5 V.

2. Click Sample to acquire samples from the ADC (see

Figure 15).

The Samples numeric control in the top right corner of the

main window sets the number of samples collected in each

batch (see Figure 15).

Figure 2. Hardware Configuration, Setting Up the EVAL-AD7172-4SDZ

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EVALUATION BOARD HARDWARE

DEVICE DESCRIPTION

The AD7172-4 is a highly accurate, high resolution, multiplexed,

4-/8-channel (fully differential/single-ended) Σ-Δ ADC. The

AD7172-4 has a maximum channel to channel scan rate of

6.21 kSPS (161 µs) for fully settled data. The output data rates

range from 1.25 SPS to 31.25 kSPS. The device includes

integrated rail-to-rail analog input and reference input buffers,

and an integrated oscillator.

See the AD7172-4 data sheet for complete specifications.

Consult the data sheet in conjunction with this user guide when

using the evaluation board. Full details for the SDP-B are

available on the Analog Devices website.

HARDWARE LINK OPTIONS

See Table 1 for default link options. By default, the evaluation

board is configured to operate from the supplied 9 V ac to dc

adapter connected to the J5 connector. The 5 V supply required

for the AD7172-4 comes from the on-board low dropout (LDO)

regulator. The ADP7118, with a 5 V output voltage, receives its

input voltage from the J3 connector or the J5 connector

(depending on the position of LK2) and generates a 5 V output.

Table 1. Default Link and Solder Link Options

Link Default Option Description

LK1 A Selects the voltage applied to the power supply sequencer circuit (U3); dependent on AVDD1. Place in

Position A if using 5 V AVDD1, or Position B if using 2.5 V AVDD1 and – 2.5 V AVSS.

LK2 B Selects the external power supply from Connector J3 (Position A) or Connector J5 (Position B).

LK3 to LK7 Not inserted Inserting these links sets up the on-board noise test prior to SL8 to SL11 to allow the inputs to the

on-board amplifiers, U8 and U9, to be shorted. In this mode, all inputs short to VCM, which is equal to 2.5 V.

LK8 to LK16 Inserted Inserting these links sets up the on-board noise test close to the ADC analog inputs. In this mode, all

inputs short to VCM, which is equal to 2.5 V.

SL1 A Selects the voltage applied to the AVDD2 pin. SL1 is positioned on the bottom side of the board. Position A is

located at the lower end of SL1 and Position B is at the upper end. Position A selects AVDD1 (default).

Position B selects an external 3.3 V supply from the ADP7118 (3.3 V) (U10) regulator.

SL2 A Selects between an external or on-board AVDD1 source. Position A selects the on-board supply for AVDD1 set

from the ADP7118 (5 V) (U7) (default). Position B selects the external supply voltage connected to J7, Pin 4.

SL3 A Selects between an external or on-board AVSS source. Position A selects the on-board supply for AVSS from the

ADP7182 (−2.5 V) (U4) (default). Position B selects the external supply voltage connected to J7, Pin 1.

SL4 C Connects AIN8 to Pin 6 on J6 (Position A); VCM, which is equal to 2.5 V (Position B); or AVSS (Position C).

Position B and Position C are used to simplify the use of a single-ended input source.

SL5 B Selects between an external or on-board IOVDD source. Position B selects the on-board supply for IOVDD

from the ADP7118 (3.3 V) (U10) (default). Position B selects the external supply voltage connected to J7, Pin 3.

The evaluation board operates with a 3.3 V logic.

SL8 A Routes A1 input to the AIN5 pin on the AD7172-4 (Position A), Buffer/In-Amp U8 (Position B), Funnel

Amp U9 with gain of 0.8× (Position C), or J10-1 (Position D).

SL9 A Routes A2 to the AIN6 pin on the AD7172-4 (Position A), Buffer U12 (Position B), or Funnel Amp U9 gain of

0.4× (Position C).

SL10 A Routes A3 to the AIN7 pin on the AD7172-4 (Position A), Buffer U12 (Position B), or Funnel Amp U9 gain of

0.4× (Position C).

SL11 A Routes A0 to the AIN4 pin on the AD7172-4 (Position A), Buffer/In-Amp U8 (Position B), Funnel Amp U9

with gain of 0.8× (Position C), or J10-7 (Position D).

G16 Inserted Sets the on-board U8 in-amp to a gain of 16. Insert only one of G16, G32, G64, or G128 at a time.

G32 Not Inserted Sets the on-board U8 in-amp to a gain of 32. Insert only one of G16, G32, G64, or G128 at a time.

G64 Not Inserted Sets the on-board U8 in-amp to a gain of 64. Insert only one of G16, G32, G64, or G128 at a time.

G128 Not Inserted Sets the on-board U8 in-amp to a gain of 128. Insert only one of G16, G32, G64, or G128 at a time.

R49 to R51 Inserted Connects AVSS and AGND for single-supply operation. To operate in split supply mode, remove these

links.

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SOCKETS AND CONNECTORS

Table 2. Connector Details

Connector Function Connector Type Manufacturer

Manufacturer

Number Order Code1

J1 Connector to the SDP-B 120-way connector,

0.6 mm pitch

Hirose FX8-120S-SV(21) FEC1324660

J2 External MCLK input Straight PCB mount

SMB/SMA jack

TE Connectivity 1-1337482-0 Not applicable

External bench top voltage supply for

the EVAL-AD7172-4SDZ

Power socket block,

3-pin, 3.81 mm pitch

Phoenix Contact

MC 1,5/ 3-G-3,81

FEC3704737

J5 External ac to dc adapter input for the

EVAL-AD7172-4SDZ, 7 V to 9 V

DC power

connectors, 2 mm

SMT power jack

Kycon KLDX-SMT2-

0202-A

MOUSER 806-

KLDX-SMT20202A

J6 Analog input terminal block; wired

connection to external source or sensor

Power socket block,

8-pin, 3.81 mm pitch

Phoenix Contact MC 1,5/ 8-G-3,81 FEC3704774

J9 External bench top voltage supply

option for AVDD1/AVDD2, IOVDD, and

AVSS inputs on the AD7172-4

Screw terminal

block, 3.81 mm

pitch

Phoenix Contact MKDS 1/4-3.81 FEC3704592

J10 Optional header 7-way, 2.54 mm pin

header

Samtec SSW-107-01-T-S FEC1803478

J13 Optional header 7-way, 2.54 mm

socket

Samtec TLW-107-05-G-S FEC1668499

A0 to A4 Analog inputs to ADC Straight PCB mount

SMB/SMA jack

TE Connectivity 1-1337482-0 Not applicable

A7 Pmod™-compatible header 6-pin single inline

header (0.1 inch

pitch)

Harwin 20-9990646 FEC 1022255

1 Order codes starting with FEC are for Farnell.

SERIAL INTERFACE

The E VA L -AD7172-4SDZ evaluation board connects via the

serial peripheral interface (SPI) to the Blackfin® ADSP-BF527

on the SDP-B. There are four input signals: CS, SCLK, DIN,

and SYNC, and one output signal from the ADC, DOUT/RDY

(see Figure 1).

To operate the evaluation board in standalone mode,

disconnect the evaluation board from the SDP-B controller

board. Use the test points labeled on the evaluation board to

connect the signals to an alternative digital capture setup or the

Pmod-compatible header (A7).

POWER SUPPLIES

Power the evaluation board from the ac to dc adapter connected

to J5, or from an external bench top supply applied to J3 or J9.

Linear LDO regulators generate the required voltages from the

applied input voltage (VIN) rail when using J3 or J5. Use J9 to

bypass the on-board regulators. An ADP7118 regulator

generates the 5 V (single-supply) and 2.5 V (split supply)

supplies for the AVDD1 and AVDD2 rails to the ADC; a second

ADP7118 generates 3.3 V for the IOVDD rail. The ADP7104

supplies 5 V for the SDP-B controller board as well as 5 V for

the ADM660 voltage converter to generate −5 V to supply the

ADP7182. The ADP7182 generates the −2.5 V supply for AVSS

when operating in split supply mode. Each supply is decoupled

where it enters the board and again at each device (evaluation

board files, including schematics and bill of materials, are available

for download at http://www.analog.com/EVAL-AD7172-4).

Table 3 shows the various power supply configurations

available, including split supply operation.

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Table 3. Power Supply Configurations1

Configuration Input Voltage Range Description

Single Supply

(Regulated)

7 V to 9 V The 7 V to 9 V input is regulated to 5 V for AVDD1/AVDD2 and 3.3 V for IOVDD. This also

powers the external 5 V reference. See the Single-Supply (Regulated) section.

Single Supply

(Unregulated)

7 V to 9 V, 5 V, and 3.3 V The input is unregulated and connects directly to AVDD1/AVDD2 and IOVDD from J5. The

7 V to 9 V input powers the external 5 V reference. See the Single Supply (Unregulated) section.

Split Supply

(Regulated)

7 V to 9 V The 7 V to 9 V input is regulated to 2.5 V for AVDD1/AVDD2, −2.5 V for AVSS and 3.3 V for

IOVDD. The 7 V to 9 V input powers the external 5 V reference, See the Split Supply

(Regulated) section.

Split Supply

(Unregulated)

7 V to 9 V, ±2.5 V, and

3.3 V

The input is unregulated and connects directly to AVDD1/AVDD2 and IOVDD from J5. The

7 V to 9 V input powers the external 5 V reference. See the Split Supply (Unregulated) section.

1 Only one configuration can be used at a time.

POWER SUPPLY CONFIGURATIONS

Single-Supply (Regulated)

There are two available power supply options for the single

supply (regulated) configuration.

 Connect the ac to dc adapter (included) to J5 and set LK2

to Position B or Connect the bench top power supply to J3,

set LK2 to Position A, and ensure that AVSS = AGND = 0 V.

 Set all other links and solder links to the default settings as

outlined in Table 1.

Single Supply (Unregulated)

To set up the board, use the following procedure:

1. Move SL2 to Position B and SL5 to Position A.

2. Connect the two terminals of J9 (AGND and AVSS).

3. Connect the 0 V input (GND) to J9 at the AGND terminal.

4. Connect the 5 V input to J9 at the AVDD terminal.

5. Connect the 3.3 V input to J9 at the IOVDD terminal.

6. Connect the 7 V to 9 V input to J5.

Set all other links and solder links to the default settings as

outlined in Table 1.

Split Supply (Regulated)

To set up the board, use the following procedure:

1. Remove R49 to R51. These links connect AVSS to AGND.

2. Insert a 0 Ω resistor at R67 and R85.

3. Set LK1 to Position B, which sets the input to the power

monitor circuitry to work with the lower AVDD1 supply of

2.5 V.

4. Connect the 7 V to 9 V input to J5 and set LK2 to Position B.

Set all other links and solder links to the default settings as

outlined in Table 1.

Split Supply (Unregulated)

To set up the board, use the following procedure:

1. Move SL2 and SL3 to Position B, and SL5 to Position A.

2. Remove R49 to R51.

3. Insert a 0 Ω resistor at R67 and R85.

4. Connect the 0 V input (GND) to J9 at the AGND terminal.

5. Connect the 2.5 V input to J9 at the AVDD terminal.

6. Connect the −2.5 V input to J9 at the AVSS terminal.

7. Connect the 3.3 V input to J9 at the IOVDD terminal.

8. Set LK1 to Position B, which sets the input to the power

monitor circuitry to work with the lower AVDD1 supply of

2.5 V.

9. Connect the 7 V to 9 V input to J5.

Set all other links and solder links to the default settings as

outlined in Table 1.

ANALOG INPUTS

The primary analog inputs of the EVAL-AD7172-4SDZ

evaluation board can be applied in two separate ways.

 At the J6 connector on the left side of the board

 At the A0 to A4 SMB/SMA footprints on the evaluation

board

The analog inputs route directly to the associated analog input

pins on the AD7172-4 provided that the LK3 to LK16 links are

removed. The AD717x Eval+ software is set up to analyze dc inputs

to the ADC. The AD7172-4 input buffers work for dc input

signals.

REFERENCE OPTIONS

The EVAL-AD7172-4SDZ includes an external 5 V reference,

the ADR445. This reference connects to the REF+ input, and

the REF− input is connected to AVSS. The AD7172-4 has a

second reference input, AIN0/REF2− and AIN1/REF2+. There

are also two SMB/SMA footprints for connecting an external

voltage reference source in place of the ADR445.

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EVALUATION BOARD SOFTWARE

SOFTWARE INSTALLATION

The E VA L -AD7172-4SDZ evaluation kit includes software on a

CD. Double click the setup.exe file from the CD to run the

installer. The default installation location for the software is

C:\Program Files\Analog Devices\ AD7172-4 Eval+\.

Install the AD717x Eval+ software before connecting the

evaluation board and the SDP-B to the USB port of the PC to

ensure that the evaluation system is correctly recognized when

connected to the PC.

There are two parts to the installation.

1. AD717x Eval+ software installation.

2. AD717x Eval+ Dependencies

a) SDP-B board drivers

b) Ssrc SVG plug in

Warning

To ensure the PC correctly recognized the evaluation system,

the evaluation software drivers must be installed before

connecting the E VA L -AD7172-4SDZ evaluation board and

SDP-B boards to the USB port of the PC.

Installing the AD717x Eval+ Software

To install the AD717x Eval+ software, take the following steps:

1. With the SDP-B board disconnected from the USB port of

the PC, insert the CD into the CD-ROM drive.

2. Double click the setup.exe file from to begin the evaluation

board software installation. The default installation

location for the software is C:\Program Files\Analog

Devices\ AD7172-4 Eval+\.

3. A dialogue box appears asking for permission to allow the

program to make changes to the PC (See Figure 3). Click yes.

Figure 3. AD7172-4 User Account Control Permission Dialog Box

4. Select a location to install the software and click Next.

Figure 4 shows the default locations displayed when the

dialogue box opens. To select another location click

Browse.

Figure 4. AD717x Eval+ Installation Selecting the Location for Software

Installation

5. A license agreement appears. Read the agreement, select I

accept the License Agreement, and click Next.

Figure 5. AD717x Eval+ Installation Accepting the License Agreement

6. A summary of the installation displays. Click Next to

continue.

Figure 6. AD717x Eval+ Installation Reviewing a Summary of the

Installation

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7. The message in Figure 7 appears when the installation is

complete.

Figure 7. AD717x Eval+ Installation Complete

Installing the Eval+ Dependencies

After the installation of the evaluation software is complete, a

welcome window displays to install the Eval+ Dependencies.

1. With the SDP-B board still disconnected from the USB

port of the PC, make sure all other applications are closed,

and then click Install.

Figure 8. Eval+ Dependencies Setup Beginning the Drivers Installation

2. To complete the drivers installation, click Close. This

closes the installation setup wizard

Figure 9. Eval+ Dependencies Setup Completing the Drivers Setup Wizard

3. Before using the evaluation board, you must restart the PC.

Figure 10. Restarting the PC

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SETTING UP THE SYSTEM FOR DATA CAPTURE

After completing the steps in the Software Installation section

and the Evaluation Board Hardware section, set up the system

for data capture using the following:

1. Allow the Found New Hardware Wizard to run after the

SDP-B board is connected to the PC. (If using Windows

XP, search for the SDP-B drivers, Choose to automatically

search for the drivers if prompted by the operating system.)

2. Check that the board is connecting to the PC correctly

using the Device Manager.

3. Access the Device Manager by completing the following

steps:

a) Right-click My Computer and then click Manage.

b) A dialog box appears asking for permission to allow

the program to make changes to the PC. Click Ye s .

c) The Computer Management box appears. Click

Device Manager from the list of System Tools

(See Figure 11).

d) The SDP-B board appears under ADI Development

Tool s, this indicates that the driver software has

installed and the board is connecting to the PC

correctly.

Figure 11. Device Manager, Checking the Board Connected to the PC

Correctly

Launching the Software

After completing the steps in the Setting Up the System for Data

Capture section, launch the AD717x Eval+ software using the

following steps:

1. From the Start menu, click Programs > Analog Devices >

AD717x E VA L + > AD717x Eval+.

2. The dialogue box in Figure 12 appears; select AD7172-4

Evaluation Board. The main window of the software box

displays as shown in Figure 15.

Figure 12. AD717x Evaluation Board Selection

3. If the E VA L -AD7172-4SDZ evaluation system is not

connected to the USB port via the SDP-B when the

software is launched, the software displays the dialog box

shown in Figure 13. Connect the evaluation board to the

USB port of the PC; wait a few seconds, click Refresh and

the option shown in Figure 12 appears.

Figure 13.Evaluation Board Selection, No Board Connected

4. The AD717x Eval+ can also be used without connecting

hardware. Click the Simulation button and the options

shown in Figure 14 appear. This uses a software model and

allows the AD7172-2, AD7172-4, AD7173-8, AD7175-2,

AD7175-8, AD7176-2 or AD7177-2 to be evaluated.

Figure 14. Evaluation Board Selection Simulation

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EVALUATION BOARD SOFTWARE OPERATION

Figure 15. Configuration Tab of the AD7172x Eval+ Software in Hardware Mode

Figure 16. Configuration Tab of the AD7172-4 Evaluation Software in Simulation Mode

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OVERVIEW OF THE MAIN WINDOW

The main window of the AD717x Eval+ software displays the

significant control buttons and analysis indicators of the

AD717x Eval+ software. This window is divided into five tabs.

• Configuration

• Waveform

• Histogram

• Modelled Performance

• Registers

CONFIGURATION TAB (1)

Figure 15 shows the Configuration tab when Hardware mode

is selected and Figure 16 shows the Configuration tab when

Simulation mode is selected. The controls highlighted in Figure 16

are only available in Simulation mode.

Select Product/Evaluation Mode (2)

The Evaluation Mode indicator displays the current evaluation

mode. To switch between modes, click the Select Product

button and the dialog box shown in Figure 12 appears.

Tutorial Button (3)

Click the tutorial button to open a tutorial and additional

information on using the AD717x Eval + software.

Functional Block Diagram (4)

The functional block diagram of the ADC shows each of the

separate functional blocks within the ADC. Clicking a

Configuration button on any of the functional blocks opens the

configuration pop-up window for the block selected. Not all

blocks have a configuration button.

Configuration Pop-Up Button (5)

Each configuration pop-up button opens a different window

that allows the configuration of the relevant functional block.

Analog and Digital Supply Voltage (6, 7, and 8)

These input fields are used to take the supply voltage levels

selected for the AD7172. Checks are performed to ensure that

the power supply voltage levels entered are within the specified

limits. These power supply voltage levels are also used for the

modelled performance to calculate the power dissipation.

External Reference (Ext. REF) (9)

The Ext. REF input fields set the positive and negative external

reference voltage values. The difference is used in calculating

the results for both the Wavefor m and Histogram tabs. The

evaluation board has an external 5 V ADR445 reference, this

can be bypassed by removing R32. Change the external reference

voltage value in Ext. REF to ensure correct calculation of results

in the Wave form and Histogram tabs.

External MCLK Frequency (10)

This field sets the external MCLK frequency. It is only visible on

the front panel when an external clock source is selected by the

ADC. It is used by the functional model for Modelled

Performance (31).

Click the Summary button to display the selected configuration

of the AD7172-4, this includes channel configuration, information

on each of the individual setups, as well as, information on any

error present.

Reset ADC (12)

Click the Reset ADC button to perform a software reset of the

AD7172-4 . The AD7172-4 does not have a hardware reset pin,

to perform a hard reset the power must be removed from the

board. The software reset has the same effect as a hard reset.

Menu Bar (13)

The menu bar has three sections: File, Edit, and Help.

File

There are three options available in the File Menu. Save, Load,

and Generate.

Save

Save allows the user to save register configurations or waveform

data. Register configurations can be saved as a JSON file or a

header file. If the configuration is only used in the AD717x

Eval+ software environment then it is recommended to use the

JSON setting. Waveforms are saved as .csv files and the user is

prompted to save the register configuration as well.

Load

Load allows the user to load saved register configurations or

waveform data. In order to load a header file intoAD717x Eval+

it must be in the same format as one that is saved from AD717x

Eval+. The header file can be used when developing firmware.

When loading the waveform data the user is prompted to load

the register configuration. This is so the software can correctly

analyze the data.

Generate

Generate offers two options: No-OS Drivers and Communication

drivers. No-OS drivers are used by a microcontroller to interact

with the AD7172-4. The Communications drivers provide a

template for SPI and I2C methods that are used with the No-OS

drivers. The implementation of the communication is not

included; this is what allows the driver to be used with any

microcontroller. More information on these drivers can be

found in the Help section.

UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 12 of 31

Edit

There are two options available in the Edit dropdown menu,

Change Product Selection and Reset ADC. Change Product

Selection performs the same action as the Select Product (2)

and Reset ADC performs the same action as the Reset ADC

(12) controls.

Help

The Help dropdown menu provides links to extra information

about the AD7172-4, which includes links to the product page,

evaluation board user guide, datasheet, and No-OS Drivers.

Selecting the AD717x Eval+ Tutorial opens the tutorial outlined

in the Tutorial Button (3). For details on the version of the

software the About option opens a dialog box displaying the

current version of the software and the relevant licenses.

Status Bar (14)

The status bar displays the busy indicator and status updates,

such as Analysis Completed and Reset Completed during

software use.

Device Error (15)

The Device Error LED icon illuminates when a when an ADC

error is detected or when a cyclic redundancy check (CRC)

error occurs. The CRC functionality on the AD7172-4 is

disabled by default and must be enabled for this indicator to

work. More specific information on the error can be found in

the Register Configuration Summary (11).

Analog Input Voltage (16)

These input fields are only available when the AD717x Eval+

software in executed in simulation mode. These inputs allow

the analog input voltages to be set and can be changed at any

time while in simulation mode.

External SCLK Frequency (17)

This input field sets the external SCLK frequency for the SPI

interface. This field is only available in simulation mode to

determine if the SCLK frequency is within the permitted range.

WAVEFORM TAB (18)

Figure 17 shows the Wavefor m tab of the AD717x Eval+

Software.

Sampling Mode (19)

This control is unrelated to the ADC mode. You can capture a

defined sample set, single capture. Or continuously gather

batches of samples, repeated capture. You can also select data

logging that runs like repeated capture but posts the results to a

.csv file. When saving, the .csv file prompts you to save the

data in order to load it back into the software.

Samples (20)

The Samples numeric control sets the number of samples

gathered per batch. Single capture returns the number entered

in the Samples control. Repeated capture keeps returning

batches of the number in Samples until stopped by the user

Figure 17. Waveform Tab of the AD7172-4 Evaluation Software

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25 27

EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 13 of 31

Sample (21)

Click the Sample button to start gathering ADC results. Results

appear in the waveform graph (22).

Waveform Graph and Controls (22 and 23)

The data waveform graph shows each successive sample of the

ADC output. Zoom in on the data using the control toolbar

(23). Click the x-axis and y-axis to change the scales on the

graph.

Channel Selection (24)

The channel selection control allows you to choose which

channels display on the data waveform graph (23). These

controls only affect the display of the channels and do not have

any effect on the channel settings in the ADC register map.

Noise Analysis (25)

The Noise Analysis section displays the results of the noise

analysis for the selected analysis channel; this includes both

noise and resolution measurements.

Analysis Channel (26)

The Noise Analysis section and histogram graph show the

analysis of the channel selected via the Analysis Channel

dropdown menu.

Display Units and Axis Controls (27)

Click the Units dropdown menu to select the unit the data

displays in the graph. This control affects both the waveform

graph and the histogram graph. The axis controls can be switched

between dynamic and fixed. When dynamic is selected, the axis

automatically adjusts to show the entire range of the ADC results

after each batch of samples. When fixed is selected, the user can

program the axis ranges; the axis ranges do not automatically

adjust after each batch of samples.

HISTOGRAM TAB (18)

Figure 18 shows the Histogram tab of the AD717x Eval+ software.

Histogram Graph and Controls

The data histogram graph (20) shows the number of times each

sample of the ADC output occurs. The control toolbar (21) in

the histogram graph allows you to zoom in on the data (see

Figure 18). Click the x-axis and y-axis to change the scales on

the graph (see Figure 18).

Figure 18. Histogram Tab of the AD7172-4 Evaluation Software

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Rev. A | Page 14 of 31

Figure 19. Filter Profiles of the AD7172-4 Evaluation Software

MODELLED PERFORMANCE TAB (31)

The Modelled Performance tab shows a number of ADC

performance parameters, which are calculated using the

ADC functional model. There are three main sections to the

Modelled Performance tab: Filter Profile, Filter Step Response,

and Timing Diagram/Power. These can be selected using the

drop down menu (33).

Analysis Channel (32)

The Analysis Channel dropdown menu selects the channel to

be evaluated by the functional model.

Filter Profile (33)

This drop down menu allows the user to switch between the

three sections of the Modelled Performance. Figure 19 shows

the tab when filter profile is selected.

Filter Profile Graph (34)

This graph shows the frequency response for the selected digital

filter. The graph controls allow you to zoom in on the data.

Click the x-axis and y-axis to change the scales on the graph.

Filter Rejection (35)

This section shows the rejection/attenuation of the digital filter

over the rejection bandwidth (Rej BW) for f1 and f2 in decibels;

f1, f2 and Bandwidth can be changed.

Filter Performance (36)

This section shows timing information about the data rate of the

selected output. It shows the ADC initial settling time, Tsettl e,

the first frequency notch (Fnotch), and the actual sampling

frequency (fADC).

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EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 15 of 31

Figure 20. Filter Step Response of the AD7172-4 Evaluation Software

Filter Step Response (37)

This drop down menu allows the user to switch between the

three sections of the Modelled Performance tab. Figure 20 shows

the tab when Filter Step Response is selected.

Step Response Graph (38)

This graph shows how long the filter takes to settle when the

voltage is stepped from one voltage to the next. For this analysis,

it is assumed the ADC is continuously converting on only one

channel.

Step Configuration (39)

Step Configuration allows the user to set the voltage before and

after the step and the step position. Step position is set as a

percentage where 0% is 1/fADC and 100% is 2/fADC.

Step Response (40)

This section shows timing information about the data rate of

the output selected output. It shows the actual sampling frequency,

fADC, the ADC initial settling time (Ts e ttle), and the settling

time between conversions, 1/fADC.

Graph Units (41)

Use this control to switch the step response between

percentages, volts, and codes.

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39 40 41

UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 16 of 31

Figure 21. Timing Diagram/Power of the AD7172-4 Evaluation Software

Timing Diagram/ Power (42)

This drop down menu allows the user to switch between the

three sections of the Modelled Performance. Figure 21 shows

the tab when Filter Step Response is selected.

Estimated Power Consumption (43)

This section shows the total power consumption of the part in

the current configuration as well as the current consumption on

each of the power supply rails.

Timing Diagram (44)

This graph shows the digital interface timing diagram for

the current configuration. The graph shows the timing for both

the configuration of the ADC, and the subsequent data reads

from the ADC.

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EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 17 of 31

Figure 22. Registers Tab of the AD7172-4 Evaluation Software

REGISTERS TAB

Figure 22 shows the Registers tab.

This control shows the full register map in a tree control. Each

to show all the bit fields contained within that register.

The Register control allows you to change the individual bit of

the register selected in the register tree (46) by clicking the bits,

or by programming the register value directly into the number

control field on the right.

Bitfields (48)

This list shows all the bit fields of the register selected in the

menu or by directly entering a value into the number control

field on the right.

Documentation

The Documentation field contains the documentation for the

Save (50) and Load (51)

The Save (50) and Load (51) buttons allow you to save the

current register map setting to a file and load the setting from

that same file. When using these buttons the register configurations

are saved and loaded as JSON files.

EXITING THE SOFTWARE

To exit the software, click the close button at the top right

corner of the AD717x Eval+ software.

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46 47

50 51

UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 18 of 31

EVALUATION BOARD SCHEMATICS AND ARTWORK

Figure 23. AD7172-4 Schematic

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EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 19 of 31

Figure 24. Input Schematic

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UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 20 of 31

Figure 25. Amplifier Schematic

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EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 21 of 31

Figure 26. Power Supply Sequencing Schematic

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UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 22 of 31

Figure 27. Regulator Schematic

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EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 23 of 31

Figure 28. SDP-B Connector Schematic

12678-128

UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 24 of 31

Figure 29. Top Printed Circuit Board (PCB) Silkscreen

Figure 30. Bottom PCB Silkscreen

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12678-130

EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 25 of 31

Figure 31. Layer 1 Component Side

Figure 32. Layer 2 Ground Plane

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UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 26 of 31

Figure 33. Layer 3 Power/Ground Plane

Figure 34. Layer 4 Solder Side

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12678-134

EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 27 of 31

ORDERING INFORMATION

BILL OF MATERIALS

Table 4.

Name Part Description Manufacturer Part Number Stock Code

A0 through A4 Straight PCB mount SMB

jack, keep hole clear of

solder. Do not insert.

TE Connectivity 1-1337482-0 Do not insert

A7 6-pin SIL header (0.1” pitch) Harwin 20-9990646 FEC 1022255

C1, C17 Ceramic capacitor, 6.3 V,

X5R, 0603, 4.7 μF

Murata GRM188R60J475K FEC 173-5527

C2, C38 Ceramic capacitor, 50 V,

X7R, 0603, 0.1 μF

Murata GRM188R71H104K FEC 882-0023

C3 Ceramic capacitor, 10 V,

X5R, 0603, 4.7 μF

KEMET C0603C475K8PACTU FEC 157-2625

C4, C6 Capacitor, 0805, 50 V, X7R,

1 μF

Murata GRM21BR71H105KA12L FEC 1735541

C5, C7 through C9, C16,

C24 through C25, C29,

C41 through C42,

C61 through C63,

C65 through C66,

C69 through C70,

C78 through C82

Ceramic capacitor, not

inserted, 0402

Not applicable Not applicable Do not insert

C10-C11 Ceramic capacitor XTAL,

not inserted, 0402

Not applicable Not applicable Do not insert

C12 through C14, C18,

C20 through C22, C33

through C34, C37, C40,

C44, C52 through C54,

C58, C60, C72 through

C73, C75, C87, C89, C91

Capacitor ceramic, 16 V,

X7R, 0402

Murata GRM155R71C104K FEC 881-9742

C15, C30, C56 through

C57, C76

Capacitor, 0603, 1 μF, 6.3 V Murata GRM188R70J105KA01D FEC 184-5765

C19, C27 through C28,

C55, C59, C83, C85

through C86

Ceramic capacitor, 50 V,

C0G/NPO, 0603

AVX 06035A271JAT2A FEC 1734627

C23, C26, C84, C88 Ceramic capacitor, 50 V,

NPO, 0603

KEMET C0603C681J5GACTU FEC 1414648

C31, C50 through C51 Ceramic capacitor, 16 V,

X7R, 0402, do not insert

Not applicable Not applicable Do not insert

C32, C35 through C36,

C39, C48 through C49,

C64, C67

Capacitor, MLCC

(multilayer ceramic

capacitor) X5R, 10 μF, 10 V,

0603

TDK C1608X5R1A106K080AC FEC 221-1164

C43, C45 through C47,

C71, C77

Capacitor, MLCC

(multilayer ceramic

capacitor), X5R, 2.2 μF, 10 V,

0603

MCM Electronics MC0603X225K100CT FEC 232-0817

C68, C74, C90, C92 50 V X7R multilayer

ceramic capacitor

Yageo 2238 586 15623 FEC 722170

D1 through D2, D6, D16 Red LED, high intensity

(>90 mCd), 0603

Broadcom Ltd. HSMC-C191 FEC 855-4528

LED, SMD green

OSRAM

LGQ971

FEC 1226372

D5 Zener Diode, 0.5 W, 5.1 V Vishay BZT52B5V1-V-GS08 FEC 1617767

G16 2-pin (2 mm pitch) header

and shorting shunt

Harwin M22-2010205 & M22-

1920005

FEC 671915 and

510944

G32, G64, G128 2-pin (2 mm pitch) header Harwin M22-2010205 FEC 671915

UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 28 of 31

Name Part Description Manufacturer Part Number Stock Code

GND, GND1 through

GND6, REF+, REF-, TDIN,

TDOUT, TERR, TCLK,

TSYNC, TXTAL1, TXTAL2,

T\CS

Test point, not inserted,

keep hole clear of solder

Not applicable Not applicable Do not insert

J1 120-way connector, 0.6 mm

pitch

Hirose FX8-120S-SV(21) FEC 1324660

J2 Straight PCB mount SMB

jack, keep hole clear of

solder, do not insert

TE Connectivity 1-1337482-0 Do not insert

Socket terminal block,

3.81 mm pitch

Phoenix Contact

MC 1.5/3-G-3.81

FEC 370-4737

J4 Screw terminal block,

3.81 mm pitch, do not

insert

Phoenix Contact 1727023 Do not insert

J5 DC power connectors 2 mm

SMT power jack

Lumberg 161314 FEC 1243245

J6 8-pin terminal header,

3.81 mm pitch, vertical

Phoenix Contact MC 1,5/ 8-G-3,81 FEC 3704774

J7 Connector, pitch 3.81 mm,

right angle

Phoenix Contact MC 1,5/ 4-G-3,81 and 180-

3594 Do not insert

J8 8-pin screw terminal,

3.81 mm pitch, vertical

Phoenix Contact 1727078 Do not insert

J9 Screw terminal block,

3.81 mm pitch

Phoenix Contact 1727036 FEC 370-4592

J10 7-way SSW 2.54 mm

vertical socket (make sure

to line up with connector

on surf board)

Samtec SSW-107-01-T-S FEC 1803478

J11, J14 Screw terminal block,

3.81 mm pitch

Phoenix Contact MKDS1/4-3.81 Do not insert.

J12 4-way power socket block,

3.81 mm pitch

Phoenix Contact MC1.5/4-G-3.81 FEC 370-4749 and

FEC 370-4920

J13 7-way SIP 2.54 mm TH

Header (make sure to line

up with connector on surf

board)

Samtec TLW-107-05-G-S FEC 1668499

J15 4- way power socket

block, 3.81 mm pitch

Phoenix Contact MC1.5/4-G-3.81 FEC 370-4749 and

FEC 370-4920

L1 through L4 Ferrite bead, 0.3 Ω at dc,

1000 Ω at 100 MHz, 350

mA, 0805

TE Connectivity BMB2A1000LN2 FEC 119-3421

LK1 through LK2 3 pin (3 × 1) 0.1" header

and shorting block in A

Harwin M20-9990346 & M7566-

FEC 1022249 and 150-

411

LK3 through LK7 2-pin (0.1" pitch) header Harwin M20-9990246 FEC 1022247

LK8 through LK16 2-pin (0.1" pitch) header

and shorting shunt

Harwin M20-9990246 FEC 1022247 and 150-

411

Q1 SI2304DDS-T1-GE3

MOSFET, N CH,30 V,3.6 A,

diode, SOT-23

Vishay SI2304DDS-T1-GE3 FEC 1858939

Q2 Transistor, NPN, SOT-23 ON Semiconductor MMBT3904LT1G FEC 1459100

R1 Resistor, not inserted,

0603

Not applicable Not applicable Do not insert.

R2 through R4, R7, R48,

R66, R75

Resistor, 100 K, 0.063 W,

1%, 0603

MCM Electronics MC0063W06031100K FEC 9330402

R5, R6, R77 Resistor, 10 K, 0.063 W, 1 %,

0402

MCM Electronics MC00625W0402110K FEC 1358069

R8, R71 Resistor, 1 %, 0402 Yageo CRCW040210K0FKEAHP FEC 173-8864

EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 29 of 31

Name Part Description Manufacturer Part Number Stock Code

R9 through R13, R27,

R30, R32, R41, R63, R78,

R81 through R84, R87,

R95, R99, R101, R103,

R105, R107, R111, R114,

R117, R121, R124, R128

through R131, R133

Resistor, 0603 1 % 0R MCM Electronics MC0063W06030R FEC 9331662

R14 Resistor, 0402, 1 %, 39 K MCM Electronics MC 0.0625W 0402 1% 39K FEC 1358085

R15, R17, R18, R24 SMD Resistor MCM Electronics MC 0.0625W 0402 1%

10K2

FEC 1803137

R16

Resistor, 0402, 1 %, 69K8

MCM Electronics

MC 0.0625W 0402 1%

69K8

FEC 1803735

R19 through R22, R35

through R38, R40, R58,

R59, R61, R62, R70, R116

Resistor, 0402 Vishay CRCW04020000Z0ED FEC 146-9661

R23 Resistor, 0402, 1 %, 86K6 MCM Electronics MC 0.0625W 0402 1%

86K6

FEC 1803744

R25, R57 Resistor, 0402, 1 %, 30k1 MCM Electronics MC 0.0625W 0402 1%

30k1

FEC 1803699

R26, R28, R29, R31, R33,

R56, R64, R67, R72, R74,

R76, R80, R85, R86, R88,

R98, R100, R102, R108

through R110, R112,

R113, R115, R118

through R120, R122,

R123, R125, R126, R132,

R134, R135

SMD Resistor 0603 Not applicable Not applicable Do Not Insert

R34, R39, R46, R47, R137

through R140

Resistor, 10 R, 0.063 W, 1 %,

0603

MCM Electronics MC0063W0603110R FEC 9330429

R42 through R45 Resistor, Thick Film, 10 kΩ,

62.5 mW, 5 %

Yageo RC0402JR-1310KL FEC 179-9316

R49 through R52

Resistor, 1206

MCM Electronics

MC 0.125W 1206 0R

FEC 9336974

R53, R65, R136 Resistor, 10 K, 0.063 W, 1 %,

0603

MCM Electronics MC0063W0603110K FEC 9330399

R54 Resistor, Thick Film, 4.53 kΩ,

63 mW, 1 %

Vishay CRCW04024K53FKED FEC 1151244

R55 Resistor, 0402, 1 %, 61R9 MCM Electronics MC 0.0625W 0402 1%

61R9

FEC 1802915

R60 Resistor, Thick Film, 2.4 kΩ,

0603, 100 mW, 1 %

Yageo RC0603FR-072K4L FEC 1799329

R68 Resistor, 0603, 4K75, 0.1 %,

0.1 W

Panasonic ERA3ARB4751V FEC 209-4611

R69, R104 Resistor, 0603, 0.1 %, 0.1 W,

75K

Panasonic ERA3ARB753P FEC 171-7620

R73 Resistor, 88R7, 0.063 W,

0.1 %, 0402

TE Connectivity RN73C1E88R7B FEC 173-7900

R79 Resistor, 121R, 0.063 W,

0.1 %, 0603

TE Connectivity/

Holsworthy

RN73C1J121RBTG FEC 114-0465

R90

Resistor, not inserted,

0402

Not applicable

Do Not Insert

R91 Resistor, 2K26, 0.063 W,

0.1 %, 0402

TE Connectivity RN73C1E2K26B FEC 173-8050

R92 Resistor, 51R1, 0.063 W,

0.1 %, 0603

TE Connectivity/

Holsworthy

RN73C1J51R1BTG FEC 114-0446

R93, R106 Resistor, 0603 Vishay CRCW06030000Z0EA FEC 146-9739

R94 Resistor, 0603, 1K13, 0.1 %,

0.1 W

Panasonic ERA3ARB1131V FEC 209-4485

UG-763 EVAL-AD7172-4SDZ User Guide

Rev. A | Page 30 of 31

Name Part Description Manufacturer Part Number Stock Code

R96 Resistor, 1K07, 0.063 W,

1 %, 0603

MCM Electronics MC0063W060311K07 FEC 1170792

R97 Resistor, 1K02, 0.063 W,

1 %, 0603

MCM Electronics MC0063W060311K02 FEC 1170789

R127

Resistor, 0603

Vishay

CRCW06030000Z0EA

FEC 146-9739

SL1 2-way Resistor Link Option MCM Electronics MC 0.063W 0603 0R FEC 9331662

SL2, SL3 2-way Solder Link (Use 0r

0603 Resistor)

Not applicable Insert in Link Position "A" FEC 933-1662

SL4 3-way Solder Link (Use 0r

0603 Resistor)

Not applicable Insert in Link Position "C" FEC 933-1662

SL5

2-way Solder Link (Use 0r

0603 Resistor)

Not applicable

Insert in Link Position "B"

FEC 933-1662

SL8 4-way Solder Link (Use 0r

0603 Resistor)

Not applicable Insert in Link Position "A" FEC 933-1662

SL9, SL10 3-way Solder Link (Use 0r

0603 Resistor)

Not applicable Insert in Link Position "A" FEC 933-1662

SL11 4-way Solder Link (Use 0r

0603 Resistor)

Not applicable Insert in Link Position "A" FEC 933-1662

STAR3 Ground Link (Copper

Short)

Not applicable Not applicable Not applicable

U1 32 K I2C Serial EEPROM Microchip Technology Inc. 24LC32A-I/MS FEC1331330

Linear Regulator 5 V, 20 V,

500 mA, Ultralow Noise,

CMOS

Analog Devices, Inc.

ADP7104ARDZ-5.0

U3 Quad Voltage Monitor and

Sequencer

Analog Devices, Inc. ADM1185ARMZ-1 ADM1185ARMZ-1

U4 8 V, −200 mA, Low Noise,

Linear Regulator

Analog Devices, Inc. ADP7182AUJZ ADP7182AUJZ-R7

U5 ADC Analog Devices, Inc. AD7172-4BCPZ AD7172-4BCPZ

U6 5 V XFET Reference Analog Devices, Inc. ADR445BRZ ADR445BRZ

U7 Linear Regulator 2.5 V,

Ultralow Noise, CMOS

Analog Devices, Inc. ADP7118ARDZ-2.5 ADP7118ARDZ-2.5-R7

U8 5.0 V Ultralow Noise, Zero-

Drift, RRIO, Dual Op-Amp

Analog Devices, Inc. ADA4528-2ARMZ ADA4528-2ARMZ

U9 Fully Differential Funnel

Amplifier

Analog Devices, Inc. AD8475ARMZ AD8475ARMZ

U10 Linear Regulator 3.3 V,

Ultralow Noise, CMOS

Analog Devices, Inc. ADP7118ARDZ-3.3 ADP7118ARDZ-3.3-R7

U11

CMOS Switched-Capacitor

Voltage Converter

Analog Devices, Inc.

ADM660ARZ

U12 5.0 V Ultralow Noise, Zero-

Drift, RRIO, Dual Op-Amp

Analog Devices, Inc. ADA4528-2ARMZ ADA4528-2ARMZ

V1 through V4 1206 Place Holder Not applicable Not applicable Do Not Insert

X1, X2 3 mm NPTH Hole Not applicable MTHOLE-3 mm

Y1 Miniature Crystal SMD Epson FA-20H, 16 MHz, 10 PPM,

9 PF

FEC 171-2814

EVAL-AD7172-4SDZ User Guide UG-763

Rev. A | Page 31 of 31

NOTES

ESD Caution

ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection

circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.

Legal Terms and Conditions

By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions

set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you

have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc.

(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and cond

itions of the Agreement, ADI hereby grants to Customer a free, limited, personal,

temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided

for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional

limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term

“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including

ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may

not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to

promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any

occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board.

Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice

to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO

WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED

TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL

PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF

THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE

AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable

United States federal laws and regulations relating to exports. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of

Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby

submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.

and

registered trademarks are the property of their respective

owners.

UG12678-0-10/17(A)