EVAL-AD4112SDZ User Guide
UG-1435
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 AD4112 with ±10 V and 0 mA to 20 mA Inputs and Integrated Analog
Front End for Industrial Automation Systems
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS. Rev. A | Page 1 of 26
FEATURES
Fully featured evaluation board for the AD4112
PC control in conjunction with SDP-B system demonstration
platform (EVAL-SDP-CB1Z)
PC software for control and data analysis (time domain)
EVALUATION KIT CONTENTS
EVAL-AD4112SDZ evaluation board
AD411X Eval+ evaluation software
EQUIPMENT NEEDED
EVAL-SDP-CB1Z system demonstration platform
DC signal source
PC running Windows® with USB 2.0 port
GENERAL DESCRIPTION
The EVA L-AD4112SDZ is a full featured evaluation board that
can be used to evaluate all the features of the AD4112. The
AD4112 is a 24-bit, 31.25 kSPS analog-to-digital converter
(ADC) with a ±10 V input voltage range (eight single-ended
channels or four fully differential channels) and four current
channels operating from 0 mA to 20 mA. All channels have on-
board overvoltage and overcurrent protection.
The EVA L-AD4112SDZ board includes voltage references and
power and data insulation, and can be connected to the Analog
Devices, Inc., SDP-B system demonstration platform (EVA L-
SDP-CB1Z). The SDP-B board provides connection to a PC via
a universal serial bus (USB) port and can provide power for the
EVA L-AD4112SDZ board from the PC USB port.
The AD411X Eval+ evaluation software configures the AD4112
device functionality and provides dc time domain analysis in
the form of waveform graphs, histograms, and associated noise
analysis for ADC performance evaluation.
Full specifications for the AD4112 are available in the product
data sheet, which must be consulted in conjunction with this
user guide when working with the EVA L-AD4112SDZ.
EVALUATION BOARD PHOTOGRAPH
Figure 1.
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TABLE OF CONTENTS
Features .............................................................................................. 1
Evaluation Kit Contents ................................................................... 1
Equipment Needed ........................................................................... 1
General Description ......................................................................... 1
Evaluation Board Photograph ......................................................... 1
Revision History ............................................................................... 2
Evaluation Board Block Diagram ................................................... 3
EVAL-AD4112SDZ Quick Start Guide ......................................... 4
Recommended Quick Start Guide ............................................. 4
Quick Start Measurement ........................................................... 4
Evaluation Board Hardware ............................................................ 5
Device Description ....................................................................... 5
Hardware Link Options ............................................................... 5
Evaluation Board Setup Procedure ............................................ 5
Serial Interface .............................................................................. 6
Power Supplies ...............................................................................6
Analog Inputs ................................................................................6
Reference Options .........................................................................6
Evaluation Board Software ...............................................................7
Software Installation Procedures.................................................7
Software Operation .................................................................... 10
Configuration Tab ...................................................................... 10
Wavefrom Tabs ........................................................................... 12
Histogram Tab ............................................................................ 14
Register Map Tab (Advanced Mode Only) ............................. 15
Exiting the Software ................................................................... 15
Evaluation Board Schematics and Artwork ................................ 16
Ordering Information .................................................................... 25
Bill of Materials ........................................................................... 25
REVISION HISTORY
1/2019—Rev. 0 to Rev. A
Changes to Figure 21 ...................................................................... 16
Changes to Figure 22 ...................................................................... 17
Changes to Figure 25 ...................................................................... 20
Changes to Figure 26 ...................................................................... 21
Changes to Figure 27 ...................................................................... 22
Changes to Figure 28 ...................................................................... 23
Changes to Figure 29 ...................................................................... 24
Changes to Table 3 .......................................................................... 25
8/2018—Revision 0: Initial Version
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EVALUATION BOARD BLOCK DIAGRAM
Figure 2. Evaluation Board Block Diagram
SDP-B
ADSP-BF527
STATUS
LED
ADR4525
2.5V OUT P UT
NC
VOUT
NC
NC
IN
NC
GND
TP
USB
POWER
LED
REF– REF+ REFOUT
REGCAPA IOVDD REGCAPD
VBIAS–
XTAL1
CLKIO/XTAL2
CS
SCLK
DIN
DOUT/RDY
AVSS
NOTES
1. FOR SIMPLICITY DECOUPLING IS NOT SHOWN.
POW ER = 5 V OR 3. 3 V
ADuM5411
POWER AND DATA
POW ER = 5 V OR 3. 3 V
VOLTAGE
INPUTS
PROTECTION
CURRENT
INPUTS
PROTECTION
IIN0+
IIN1+
IIN2+
IIN3+
IIN0
–
IIN1
–
IIN2
–
IIN3
–
VIN0
VIN1
VIN2
VIN3
VIN4
VIN5
VIN6
VIN7
VINCOM
XTAL AND INTERNAL
CLOCK OSCILLATOR
CIRCUITRY
RAIL TO RAI L
REFERENCE
INPUT BUFF ERS
Σ-Δ ADC
1.8V
LDO
MUX
1.8V
LDO
INT
REF
SERIAL
INTERFACE
DIGITAL
FILTER
BUFFERED
PRECISION
REFERENCE
AD4112
50Ω
TEMPERATURE
SENSOR
GPO CONTROL
PRECISION
VOLTAGE
DIVIDER
AVDD
GPO0 GPO1
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EVAL-AD4112SDZ QUICK START GUIDE
RECOMMENDED QUICK START GUIDE
Use the following procedure to set up the evaluation board:
1. Disconnect the SDP-B board from the USB port of the PC.
Install the AD411X Eval+ software. Restart the PC after
installation.
2. Connect the SDP-B board to the E VAL -AD4112SDZ
board, as shown in Figure 3.
3. Fasten the two boards together with the enclosed plastic
screw washer set.
4. Connect the SDP-B board to the PC via the USB cable. For
Windows® XP, it may be necessary to search for the system
demonstration platform (SDP) drivers. Choose to
automatically search for the drivers for the SDP-B board if
prompted by the operating system.
5. Launch the AD411X Eval+ software from the Analog
Devices subfolder in the Programs menu.
QUICK START MEASUREMENT
Use the following procedure to capture data quickly:
1. Connect the dc signal source to selected voltage input (for
example, VIN0 and VIN1 for differential input).
2. Launch the AD411X Eval+ software and select Quickstart.
3. In the Configuration tab, under Demo Mode, click All
Single-Ended, and then click Sample (see Figure 16).
4. In the Voltage Waveform tab, the user can evaluate the
measured data.
The Samples box in the top right corner of the main window
sets the number of samples collected in each batch.
Figure 3. Hardware Configuration
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EVALUATION BOARD HARDWARE
DEVICE DESCRIPTION
The AD4112 is a highly accurate, high resolution, multiplexed,
Σ-Δ ADC with four single-ended or eight differential voltage
inputs, a voltage range of ±10 V, and four current channels
operating from −0.5 mA to +24 mA. The maximum channel to
channel scan rate is 6.2 kSPS (161 µs) for fully settled data. The
output data rates range from 1.25 SPS to 31.25 kSPS. The device
includes integrated analog reference buffers, an integrated
precision 2.5 V reference, and an integrated oscillator.
See the AD4112 data sheet for complete specifications. Consult
the data sheet in conjunction with this user guide when using
the evaluation board.
HARDWARE LINK OPTIONS
See Table 1 for the default link options. By default, the board is
powered from the board connected to J8 (E VA L -SDP-CB1Z).
The isolated voltage regulator (U3) output is set to 5 V.
EVALUATION BOARD SETUP PROCEDURE
After following the instructions in the Software Installation
Procedures section, set up the evaluation board and SDP-B board
as detailed in the Configuring the Evaluation and SDP-B Boards
section.
The evaluation software and drivers must be installed before
connecting the E VAL -AD4112SDZ evaluation board and SDP-B
board to the USB port of the PC to ensure that the PC correctly
recognizes the evaluation system.
Configuring the Evaluation and SDP-B Boards
Use the following procedure to configure the boards:
1. Connect the SDP-B board to Connector A or Connector B
on the EVAL -AD4112SDZ board. Screw the two boards
together firmly using the plastic screw and washer set
included in the evaluation board kit.
2. Ensure that LK3 is in Position B (SDP).
3. Connect the SDP-B board to the PC using the USB cable.
Table 1. Default Link and Solder Link Options
Link Default Option Description
LK1 Inserted Connects the on-board external reference ADR4525ARZ (U2) to AD4112 (U1). Remove LK1 if using a
different single-ended external reference.
LK2 Inserted Connects VCOM to GND_ISO. This configuration is typical for single-ended measurement. Remove LK2 to set
the custom common analog input for single-ended channels. V_COM is available on Pin 5 of J1 or J4.
LK3 B (SDP) Selects the power supply voltage.
Position A: board is powered from the external dc power supply connector, J6 or J7.
Position B: board is powered from the SDP connector, J8.
R37 Open Sets the ADuM5411 (U3) isolated regulator output voltage.
Open: +VA_ISO = 5 V.
Short: +VA_ISO = 3.3 V.
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SERIAL INTERFACE
The EVA L-AD4112SDZ board connects via the serial
peripheral interface (SPI) to the Blackfin® ADSP-BF527 on the
SDP-B board. There are four primary signals, three inputs (CS,
SCLK, and DIN) and one output from the ADC (DOUT/RDY).
The EVA L-AD4112SDZ evaluation board connects to the
EVA L-ADuCM3029EZ-KIT the same way. Connecting the
evaluation board to the EVA L-ADuCM3029EZ-KIT allows the
user to develop their own C code rather than using the provided
evaluation software.
To op erate the E VAL -AD4112SDZ in standalone mode,
disconnect any board connected to J8 and use J10 to access all
SPI signals and set the input/output voltage levels.
POWER SUPPLIES
By default, the board is powered from the SDP-B connector.
The board can be also powered from the J6 and J7 connectors
by setting LK3 to Position A or from Pin +5V on Connector J10
(see Table 2).
The ADuM5411 isoPower® digital isolator is used to isolate
power and data lines up to 2.5 kV rms.
ANALOG INPUTS
There are two types of analog inputs: voltage and current.
Eight voltage inputs are available on J1 and J2. Four current
inputs are available on J3.
If a different common voltage must be set for single-ended
measurement, remove LK2 and connect the desired voltage to
V_COM on J1.
REFERENCE OPTIONS
The EVA L-AD4112SDZ includes an external 2.5 V reference,
the ADR4525ARZ. By default, LK1 is inserted, connecting the
external reference to REF+ of the AD4112.
Remove LK1 if using a different single-ended external
reference.
In the evaluation software, click the blue pop-up button
associated with Setup 0 to Setup 7 to select the reference used
for conversions by the AD4112. The pop-up button is located
below the external reference controls in the block diagram
(Label 9 in Figure 16).
Table 2. Connector Details
Connector Function Connector Type Manufacturer Part Number
J1, J2, J4
Voltage inputs to ADC
Connector, header, 90°, 5-position,
3.81 mm
Phoenix Contact
MC 1.5/5-G-
3.81
J3, J4 Current inputs to ADC Connector, header, 90°, 5-position,
3.81 mm
Phoenix Contact MC 1.5/5-G-
3.81
J5 Earth for electrostatic discharge (ESD)
testing
1.25-MS3 ring tongue terminal, M3,
Number 5, 16 AWG, 1.65 mm2
Japan Solderless
Terminals
1.25-MS3
J6, J7 External supply voltage (optional) Connector, header, 90°, 5-position,
3.81 mm
Phoenix Contact MC1.5/3-G-
3.81
J8 Connector to the EVAL-ADuCM3029EZ-
KIT or EVAL-SDP-CB1Z
120-way connector, 0.6 mm pitch Hirose FX8-120S-
SV(21)
J10 SPI and power terminal Header, in line, 7-position, 100 mil Wurth Elektronik 61300711121
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EVALUATION BOARD SOFTWARE
SOFTWARE INSTALLATION PROCEDURES
The EVA L-AD4112SDZ evaluation kit includes a link to the
software that needs to be installed before using the EVA L-
AD4112SDZ evaluation board.
There are two parts to the installation:
• AD411X Eval+ software installation
• E VA L + Dependencies installation, including SDP-B board
drivers
The evaluation software and drivers must be installed before
connecting the E VAL -AD4112SDZ evaluation board and SDP-B
board to the USB port of the PC to ensure that the PC correctly
recognizes the evaluation system.
Installing the AD411X Eval+ Software
To install the AD411X Eval+ software,
1. With the SDP-B board disconnected from the USB port of
the PC, download and unzip the AD411X Eval+ software
installer file from the EVA L-AD4112SDZ product page.
2. Double-click the setup.exe file to begin the evaluation
board software installation. The software then installs to
the following default location: C:\Program Files\Analog
Devices\AD411X EVAL+.
3. A dialog box appears asking for permission to allow the
program to make changes to the PC. Click Ye s.
Figure 4. Granting Permission for the Program to Make Changes to PC
4. Select a location to install the software and then click Next.
Figure 5 shows the default locations, which are displayed
when the dialogue box opens, but another location can be
selected by clicking Browse.
Figure 5. Selecting the Location for Software Installation
5. A license agreement appears. Read the agreement, select I
accept the License Agreement, and click Next.
Figure 6. Accepting the License Agreement
6. A summary of the installation displays. Click Next to
continue.
Figure 7. Reviewing a Summary of the Installation
7. The message in Figure 8 appears when the installation is
complete. Click Next.
Figure 8. Indicating when the Installation is Complete
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Installing the Eval+ Dependencies Drivers
After the installation of the evaluation software is complete, a
welcome window appears for the installation of the Eval+
Dependencies.
1. With the SDP-B board still disconnected from the USB
port of the PC, ensure that all other applications are closed,
and then click Install.
Figure 9. Beginning the Drivers Installation
2. To complete the driver installation, click Close, which
closes the installation setup wizard.
Figure 10. Completing the Drivers Setup Wizard
3. Before using the evaluation board, restart the PC.
Figure 11. Restarting the PC
Setting Up the System for Data Capture
After completing the steps in the Software Installation Procedures
section and the Evaluation Board Hardware section, set up the
system for data capture as follows:
1. Allow the Found New Hardware wizard to run after
connecting the SDP-B board to the PC. If using
Windows X P, it may be necessary to search for the SDP-B
drivers. Choose to automatically search for the drivers for
the SDP-B board if prompted by the operating system.
2. Check that the board is connecting to the PC correctly
using the Device Manager of the PC. Access the Device
Manager as follows:
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 window appears. Click
Device Manager from the System Tools list (see
Figure 12).
d. If the SDP-B board appears under ADI Development
Too ls in the TEST PC nested list, the driver software has
installed and the board is connecting to the PC correctly.
Figure 12. Checking if the Board is Connected to the PC Correctly
Launching the Software
After completing the steps in the Setting Up the System for Data
Capture section, launch the AD411X Eval+ software as follows:
1. From the Start menu, click Programs > Analog Devices >
AD411X Eval+ > AD411X Eval+. The dialog box shown
in Figure 13 appears. Select AD4112 Evaluation Board
and the main window of the software shown in Figure 16
appears.
Figure 13. AD4112 Evaluation Board Selection
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2. If the E VAL -AD4112SDZ 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 14. Connect the evaluation board to
the USB port of the PC, wait a few seconds, then click
Refresh, and the dialog box shown in Figure 13 appears.
Figure 14. Evaluation Board Selection, No Board Connected
3. The dialog box shown in in Figure 15 appears. Quickstart
mode provides a simplified version of the software that can
be used as a starting point for evaluating the AD4112. This
mode provides a graphical user interface (GUI) for setting
up inputs, as shown in Figure 16, and allows the user to
configure the device further by using the blue configuration
buttons (Label 7 Figure 16).
4. Advanced mode can be used when more configurability of
the inputs is required. In this mode, the input GUI is not
available. However, the user has access to the Registers tab,
which provides full control of the AD4112 register map.
When operating in advanced mode, the user must consult
the AD4112 data sheet.
Figure 15. AD411X Eval+ Startup Mode Selection
Figure 16. Configuration Tab in Quickstart Mode
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Figure 17. Configuration Tab in Advanced Mode
SOFTWARE OPERATION
Overview of the Main Window
After selecting AD4112 Evaluation Board, the main window of
the evaluation software displays, as shown in Figure 16. This tab
shows the control buttons and analysis indicators of the AD411X
Eval+ software. The main window of the AD411X Eval+
software in Quickstart mode contains five tabs: Configuration,
Voltage Waveform, Current Waveform, Noise Table, and
Histogram.
In advanced mode, two additional tabs are available:
Ch Waveform and Registers.
CONFIGURATION TAB
The Configuration tab shows a block diagram of the AD4112.
This tab allows the user to select inputs, set up the ADC, reset
the ADC, view errors present, and configure the device for
different demonstration modes. Figure 16 shows the
Configuration tab in detail, and the following sections discuss
the different elements on the Configuration tab of the software
window.
Inputs (Quickstart Mode Only)
The AD4112 has eight voltage inputs, which can be configured
as single-ended or fully differential pairs, and four current
inputs (Label 1 in Figure 16).
The voltage range can also be set per input to ±10 V, ±5 V, 0 V
to 10 V, or 0 V to 5 V. Changing the appropriate voltage range
provides more realistic values for P - P Resolution and RMS
Resolution shown in the Noise Analysis area (Label 22 in
Figure 18).
Output Data Rate (ODR)/Measurement Time
The ODR can be set for all inputs in the Configuration tab
(Label 2 in Figure 16). Set the ODR by entering a value in hertz
into the ODR(Hz) box or a measurement time in milliseconds
into the Time(ms) box. If an ODR is entered, the software
calculates the measurement time. If a time is entered, the
software calculates the fastest ODR that can achieve the
required measurement time.
The device only supports a certain number of ODRs. Therefore,
the software rounds up to the closest available value. ODR
values depend on if a single or multiple channels are enabled.
The fastest ODRs are available if only one channel is enabled.
The values shown are valid for the sinc5 + sinc1 filter, which is
enabled by default. If the sinc3 filter is enabled instead, refer to
the AD4112 data sheet for the corresponding values.
The value in the Time(ms) box represents time taken for one
sample for one enabled channel.
The value in the Total Time box represents the total time to
take one sample for all enabled Inputs.
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Demo Modes
The AD411X Eval+ software contains a number of
demonstration modes in the Demo Modes area (Label 3 in
Figure 16). These demonstration modes configure the AD4112
for each of the input types (represented by the All Single-Ended,
All Differential, and All Current buttons).
Reset
Click Reset to perform a software reset of the AD4112 (Label 4
in Figure 16). There is no hardware reset pin on the AD4112.
To perform a hard reset, remove power from the board. The
software reset has the same effect as a hard reset.
Tutorial Button
Click the tutorial button (Label 5 in Figure 16) to open a
tutorial on using the software and additional information on
using the AD411X Eval+ software. Click the blue information
buttons for further information on different elements of the
Configuration tab.
Functional Block Diagram
The functional block diagram of the AD4112 (Label 6 in
Figure 16) shows each of the functional blocks within the
AD4112. Clicking a configuration button on the block diagram
opens the configuration window for that block.
Configuration Pop-Up Button
Each configuration button (Label 7 in Figure 16) opens a
different window to configure the relevant functional block.
External Parameters
There are three external parameters that are set by the EVA L-
AD4112SDZ board but must be entered into the software: the
external reference (Label 8 in Figure 16), AVDD (Label 9 in
Figure 16), and AVSS (Label 10 in Figure 16). The external
reference on the EVA L-AD4112SDZ board is set to 2.5 V by
using an ADR4525. If bypassing the ADR4525 on board, change
the external reference voltage value in the software to ensure
correct calculation of results in the Waveform and Histogram
tabs.
Configuration Summary
Clicking Summary (Label 11 in Figure 16) shows the input
configuration, channel configuration, and information on each
of the individual setups as well as information on any error
present. These tabs can be used to quickly check how the ADC
inputs and channels are configured, as well as any errors that
are present.
Status Bar
The status bar (Label 12 in Figure 16) displays status updates
such as Analysis Completed, Reset Completed, and Writing to
Registers during software use, as well as the Busy indicator.
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Figure 18. Voltage Waveform Tab
WAVEFORM TABS
The AD411X Eval+ software has three different waveform tabs:
Voltage Waveform, Current Waveform, and Ch Waveform (in
advanced mode only). The waveform tabs graph the conversions
gathered and processes the data, calculating the peak-to-peak
noise, rms noise, and resolution (see Figure 18). The Voltage
Waveform tab graphs the data at the voltage input. The Current
Waveform tab graphs the data at the current inputs, which are
displayed in amps. The Ch Waveform tab displays both voltage
and current inputs as voltages.
Waveform Graph and Controls
The data waveform graph (Label 13 in Figure 18) shows each
successive sample of the ADC output. Zoom in on the data in
the graph using the control buttons (Label 14 in Figure 18).
Change the scales on the graph by typing values into the x-axis
and y-axis.
Samples
The Samples box (Label 15 in Figure 18) and Sampling Mode
(Label 16 in Figure 18) set the number of samples gathered per
batch. If Sampling Mode is set to Single Capture, the ADC
returns the number of samples specified in the Samples box. If
Sampling Mode is set to Continuous, the ADC continuously
returns samples until stopped by the user. Samples specifies the
amount of samples to be shown on the data graph. Samples is
unrelated to the ADC mode.
Sample
Click Sample (Label 17 in Figure 18) to start gathering ADC
results. Results appear in the waveform graph.
Plot Selection
The plot selection control area (Label 18 in Figure 18) allows
the user to select which inputs display on the data waveform
and shows the name of the input.
These controls only affect the waveform graphs and have no
effect on the channel settings in the ADC register map.
Display Units and Axis Controls
Click the Units box in the Graph Configuration area (Label 19
in Figure 18) to select whether the data graph displays in units
of voltage in amps or codes. This control is independent for
each graph. The Y-scale and X-scale boxes can be set to
autoscale or fixed scaling. When Autoscale 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
axis range can be set by the user. These ranges do not
automatically adjust after each batch of samples.
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Device Error
The Device Error indicator (Label 20 in Figure 18) illuminates
in the Waveform tab when a cyclic redundancy check (CRC)
error or an error in the ADC is detected. More specific
information on the error can be by clicking Summary in the
Configuration tab (Label 11 in Figure 16).
Analysis Input
The Noise Analysis box shows the analysis of the input selected
via the analysis control (Label 21 in Figure 18).
Noise Analysis
The Noise Analysis area (Label 22 in Figure 18) displays the
results of the noise analysis for the selected analysis input,
including both noise and resolution measurements.
Input Range
The Range box (Label 23 in Figure 18) is an indicator in
quickstart mode. The value is selected in the inputs area on the
Configuration tab (Label 1 in Figure 16). In advanced mode,
Range is a control that allows the user to select an input range
for the input chosen for noise analysis.
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Figure 19. Histogram Tab of the AD411X Eval+ Software
HISTOGRAM TAB
The Histogram tab generates a histogram using the gathered
samples and processes the data to calculate the peak-to-peak
noise, rms noise, and resolution (see Figure 19). There is only
one histogram tab for the current and voltage inputs.
Histogram Graph and Controls
The data histogram graph (Label 24 in Figure 19) shows the
number of times each sample of the ADC output occurs. Zoom
in on the data using the control buttons (Label 25 in Figure 19)
in the graph. Change the scales on the graph by typing values
into the x-axis and y-axis.
Analysis Input
The data used to generate the histogram and values in the Noise
Analysis area (Label 26 in Figure 19) is set by the Noise
Analysis box (Label 27 in Figure 19). All enabled inputs appear
here in the Noise Analysis box.
Noise Analysis
The Noise Analysis area (Label 26 in Figure 19) displays the
results of the noise analysis for the selected analysis input,
including both noise and resolution measurements.
Display Units and Axis Controls
Click the Units box in the Graph Configuration area (Label 28
in Figure 19) to select whether the data graph displays in units
of voltages/amps or codes. This control is independent for each
graph.
The Y-scale and X-scale boxes can be set to autoscale or fixed
scaling. When Autoscale 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 set the
axis range. These ranges do not automatically adjust after each
batch of samples.
Device Error
The Device Error indicator (Label 29 in Figure 19) illuminates
in the Histogram tab when a CRC error or an error in the ADC
is detected. More specific information on the error can be by
clicking Summary in the Configuration tab (Label 11 in
Figure 16).
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Figure 20. Register Tab
REGISTER MAP TAB (ADVANCED MODE ONLY)
Register Maps List
Clicking the register maps nested list (Label 30 in Figure 20)
shows each register. Clicking the expand button next to each
register shows all the bit fields contained within that register.
Register Maps Search
The search box (Label 31 in Figure 20) allows the user to search
the register maps list for any register or bit field. Entering a
value into this control filters the register list.
Register and Bit Field Control
The register control area (Label 32 in Figure 20) allows the user
to change the individual bit of the register selected in the
register by clicking the bits or by programming the register
value directly into the value control box (Label 33 in Figure 20).
The register and bit controls also show all bit fields for the
selected register. Change the values by using the dropdown
boxes (Label 34 in Figure 20) or by selecting or clearing a check
box (Label 35 in Figure 20).
Documentation
The Documentation area (Label 37 in Figure 20) contains the
documentation for the register or the bit field selected. This
field can be updated by selecting a register or bit field in the
register list or hovering over the register or bit field in the
register list or register control. The documentation area can also
be displayed in a separate window by clicking Expand (Label 36
in Figure 20).
Save and Load
Save and Load (Label 38 in Figure 20) allow the user to save the
current register map setting to a file and to load the setting from
the same file, respectively.
EXITING THE SOFTWARE
To exit the software, click the close button in the title bar.
17209-120
UG-1435 EVAL-AD4112SDZ User Guide
Rev. A | Page 16 of 26
EVALUATION BOARD SCHEMATICS AND ARTWORK
Figure 21. AD4112 Schematic
17209-017
FAULT INDICATOR
VOLTAGE REF
2.5V
CLOCK
DIGITAL INTERFACE
C6
0.1µF
ERR
Y1
16MHz
R5
0Ω
ERR
RED
2+VIN 6
VOUT
4
GND
U2
ADR4525ARZ
R3
2.2kΩ
CLK
C2
DNP C3
DNP
2VIN0
3VIN1
4VIN2
5VIN3
6
REFOUT
7
REGCAPA
8AVSS
9
AVDD
10 NC
11 VBIAS–
12
XTAL1 13
XTAL2
14
DOUT
15
DIN
16
SCLK
17
CS
18
ERROR
19
SYNC
20
IOVDD
21 DGND
22
REGCAPD
23
DNC
24
DNC
25
GPO0
26 VIN4
27 VIN5
28 VIN6
29 VIN7
30 IIN3–
31 IIN2–
32 IIN1–
33 IIN0–
34 IIN0+
35 IIN1+
36 IIN2+
37 IIN3+
38
GPO1
39 REF–
40 REF+
41 PADDLE
1VINCOM
U1
AD4112
R4
100kΩ
R2
100kΩ
C11
0.1µF
C10
0.1µF
C8
1µF C9
1µF
R7 0R
C4
0.1µF
INT_REF
LK1
R6 0R
C7
1µF
GPO1
C5
1µF
GPO0
GP00
YELLOW
GP01
YELLOW
R1 4.7kΩ
R49 4.7kΩ
GND_ISO
+VA_ISO
GND_ISO
V_REF
TXTAL2
TXTAL1
GND_ISOGND_ISO
TXTAL1
TXTAL2
CS_ISO
SCLK_ISO
MOSI_ISO
MISO_ISO
+VA_ISO
VCOM
VIN0
VIN1
VIN2
VIN3
VIN4
VIN5
VIN6
VIN7
GND_ISO
+VA_ISO
V_REF
GND_ISO
GND_ISO
IIN0
IIN1
IIN2
IIN3
EVAL-AD4112SDZ User Guide UG-1435
Rev. A | Page 17 of 26
Figure 22. Voltage Input Front End Schematic
17209-018
OVERLAPPING LAYO UT
CONNE CTS V COM TO GND_IS O
(TYPICAL FOR SI NG L E- ENDED M EASUREM ENT)
D1
33V, 400W
SMAJ33CA
D2
33V, 400W
SMAJ33CA
D3
SMAJ33CA
D4
SMAJ33CA
D5
SMAJ33CA
D6
SMAJ33CA
D7
SMAJ33CA
D8
SMAJ33CA
D9
SMAJ33CA
C26
4.7nF
C12
DNP
R12
DNP R13
DNP R14
DNP R15
DNP
R8
DNP R9
DNP R10
DNP R11
DNP
J2-2
J2-3
J2-4
J2-5
J2-1
J1-1
J1-2
J1-3
J1-4
J1-5
C29
DNP
C30
DNP
C31
DNP
C32
DNP
J4-1
J4-2
J4-3
J4-4
J4-5
J4-11
J4-12
J4-13
J4-14
J4-15
LK2
C13
DNP C14
DNP C15
DNP
C16
DNP C17
DNP
C18
DNP
C19
DNP
C25
4.7nF
C27
4.7nF
C28
4.7nF
C20
4.7nF C21
4.7nF C22
4.7nF C23
4.7nF C24
4.7nF
R24
180r
R23
180r
R22
180r
R21
180r
R20
180r
R19
180r
R18
180r
R17
180r
R16
180r
GND_ISO
VCOM
VIN0
VIN1
VIN2
VIN4
VIN5
VIN6
VIN3
VIN7
GND_ISO GND_ISO GND_ISO GND_ISO GND_ISO GND_ISO
GND_ISO
GND_ISO GND_ISO GND_ISO GND_ISO GND_ISO
GND_ISO
UG-1435 EVAL-AD4112SDZ User Guide
Rev. A | Page 18 of 26
Figure 23. Current Input Front End Schematic
17209-019
CURRENT I NPUTS
C33
470pF
C34
470pF
C35
470pF
C36
470pF
F1
50mA
F2
50mA
F3
50mA
F4
50mA
D10
10V, 400W
SMAJ10CA
SMAJ10CA
SMAJ10CA
SMAJ10CA
J3-1
J3-2
J3-3
J3-4
J3-5
J4-6
J4-7
J4-8
J4-9
J4-10
R25
180Ω
R26
180Ω
R27
180Ω
R28
180Ω
GND_ISO
GND_ISO
GND_ISO
GND_ISO
IIN0
IIN1
IIN2
IIN3
GND_ISO
EVAL-AD4112SDZ User Guide UG-1435
Rev. A | Page 19 of 26
Figure 24. SDP Connector Schematic
VIN: USE THIS PIN TO POWER THE SDP REQUIRES 4-7V 200mA
VIO: USE TO SET IO VOLTAGE MAX DRAW 20mA
BMODE1: PULL UP WITH A 10kΩ RESISTOR TO SET SDP TO BOOT FROM A SPI FLASH ON THE DAUGHTER BOARD
SDP CONNECTOR EEPROM-SW /USB ID
VIN: USE THIS PIN TO POWER THE SDP REQUIRES 5V 200mA
BOARD ID EEPROM (24LC32) MUST BE ON I2C BUS 0,
I2C BUS 1 IS COMMON ACROSS BOTH CONNECTORS ON SDP - PULL UP RESISTORS REQUIRED
(CONNECTED TO BLACKFIN GPIO - USE I2C_0 FIRST)
MAIN I2C BUS
SDP CONNECTOR SCHEME, R.R. 15/04/11
POWER THE BOARD FROM SDP-B
POWER THE BOARD FROM ADuCM3029 EVAL
(PULLED UP ON BLACKFIN SDP)
*NC ON BLACKFIN SDP
*
*
*
*
*
*
*
*
*
*
*
*
*
TIMERS
INPUT/OUTPUT
GENERAL
I2C
SPI
SPORT
PORT
PARALLEL
SDP
STANDARD
CONNECTOR
120
NC
119
NC
118
GND
117
GND
116
VIO(+3.3V)
115
GND
114
PAR_D22
113
PAR_D20
112
PAR_D18
111
PAR_D16
110
PAR_D15
109
GND
108
PAR_D12
107
PAR_D10
106
PAR_D8
105
PAR_D6
104
GND
103
PAR_D4
102
PAR_D2
101
PAR_D0
100
PAR_W R
99
PAR_INT
98
GND
97
PAR_A2
96
PAR_A0
95
PAR_FS2
94
PAR_CLK
93
GND
92
SPORT_RSCLK
91
SPORT_DR0
90
SPORT_RFS
89
SPORT_TFS
88
SPORT_DT0
87
SPORT_TSCLK
86
GND
85
SPI_SEL_A
84
SPI_MOSI
83
SPI_MISO
82
SPI_CLK
81
GND
80
SDA_0
79
SCL_0
78
GPIO1
77
GPIO3
76
GPIO5
75
GND
74
GPIO7
73
TMR_B
72
TMR_D
71
NC
70
NC
69
GND
68
NC
67
NC
66
NC
65
NC
64
NC
63
GND
62
UART_TX
61
BMODE1
60 RESET_IN
59 UART_RX
58 GND
57 NC
56 EEPROM_A0
55 NC
54 NC
53 NC
52 GND
51 NC
50 NC
49 TMR_C
48 TMR_A
47 GPIO6
46 GND
45 GPIO4
44 GPIO2
43 GPIO0
42 SCL_1
41 SDA_1
40 GND
39 SPI_SEL1/SPI_SS
38 SPI_SEL_C
37 SPI_SEL_B
36 GND
35 SPORT_INT
34 SPORT_DT3
33 SPORT_DT2
32 SPORT_DT1
31 SPORT_DR1
30 SPORT_DR2
29 SPORT_DR3
28 GND
27 PAR_FS1
26 PAR_FS3
25 PAR_A1
24 PAR_A3
23 GND
22 PAR_CS
21 PAR_RD
20 PAR_D1
19 PAR_D3
18 PAR_D5
17 GND
16 PAR_D7
15 PAR_D9
14 PAR_D11
13 PAR_D13
12 PAR_D14
11 GND
10 PAR_D17
9PAR_D19
8PAR_D21
7PAR_D23
6GND
5USB_VBUS
4GND
3GND
2NC
1VIN
J8
1A0
2A1
3A2
4VSS
8
VCC 7
WP 6
SCL 5
SDA
U4
24LC32
J10-1
J10-2
J10-3
J10-4
J10-5
J10-6
R45
DNP
R46
100kΩ
R44
100kΩ
C50
1µF
C51
1µF
AK
D15
J10-7
A
K
D16
CS
MOSI
MISO
SCLK
V_IO
GND
+5V
R48
100kΩ
R47
100kΩ
V_EEPROM
V_EEPROM
SCLK
MISO
MOSI
CS
V_IOV_USB
V_EEPROM
SCL
SDA
SCL
SDA
V_IO
17209-020
UG-1435 EVAL-AD4112SDZ User Guide
Rev. A | Page 20 of 26
Figure 25. Insulation and Power Supply Schematic
POW ER SUPPLY
R37 SETS I SOLATED
INSULATION
CURRENT M EAS UREMENT
REGULATOR OUTPUT VOLTAGE
OVERLAPPING LAYO UT
OPEN = +VA_ISO = 5V
SHORT = +VA_ISO = 3.3V
B5
1800 AT 100MHz
C39
0.1µF
AB
LK3
_SCLK
_CS
_MOSI
_MISO
R33 33Ω
±1%
R34 33Ω
±1%
R35 33Ω
±1%
R36 33Ω
±1%
PWR
GREEN
R43
1k
±1% D14
5V
SMAJ5.0A
1VDD1
2GND1
3VIA
4VIB
5VIC
6VOD
7VE1
8NC
9GND1
10 PDIS
11 VDDP
12 GND1 13
GNDISO
14
VISO
15
VSEL
16
GNDISO
17
NC
18
VE2
19
VID
20
VOC
21
VOB
22
VOA
23
GNDISO
24
VDD2
U3
ADUM5411
R40
10kΩ
±1%
C44
0.1µF
C43
0.1µF
B6
1800 AT 100MHz
C45
10µF
C42
10µF
R39
16.9kΩ
±1%
R38
14kΩ
±1%
R29 33Ω
±1%
R30 33Ω
±1%
R31 33Ω
±1%
R32 33Ω
±1%
C46
4n7
C47 DNP
C48
4n7
C41
10µF
R41
4.7MΩ
±5%
1
2
3
J6
_GND
C38
0.1µF
C37
1µF
1
2
3
J7
C40
1µF
R37
DNP
N/A
C49
4n7
R42
4.7MΩ
±5%
B2
1800 AT 100MHz
B1
1800 AT 100MHz
J5
SCREW_M3 DNI
GND1
GND-ISO
GND_ISO
+VA_ISO +VA_ISO
SCLK_ISO
CS_ISO
MOSI_ISO
MISO_ISO
V_USB
GND_ADUM
V_SEL
V_SEL
GND_ADUM
GND_ADUM
GND_ADUM
GND_ISO
SCLK
CS
MOSI
MISO
GND_ISO
+VA_ISO
GND_ISO
V_IO
CHGND1 CHGND2
17209-121
B1
B2
B3
B4
EVAL-AD4112SDZ User Guide UG-1435
Rev. A | Page 25 of 26
ORDERING INFORMATION
BILL OF MATERIALS
Table 3. Bill of Materials
Reference Designator Value Description Manufacturer Part Number
B1 to B6 1800 Ω B0402, 1800 Ω at 100 MHz, 200 mA Murata BLM15HD182SN1D
C2 Do not
place
(DNP)
C0402, DNP Not applicable Not applicable
C3 DNP C0402, DNP Not applicable Not applicable
C4, C6, C10, C11, C38,
C39, C43, C44
0.1 µF C0402, 0.1 µF, 50 V, X5R Murata GRM155R61H104KE19D
C5, C7, C8, C9, C37,
C40, C50, C51
1 µF C0402, 1 µF, 16 V, X5R Taiyo Yuden EMK105BJ105KV-F
C12 to C19
DNP
C0402, DNP
Not applicable
Not applicable
C20 to C28 4.7 nF C0402, 4.7 nF, 50 V, X7R Murata GRT155R71H472KE01D
C29 to C32 DNP C0603, DNP Not applicable Not applicable
C33 to C36 470 pF C0402, 470 pF, 50 V, C0G/NP0 Murata GRM1555C1H471JA01D
C41, C42, C45 10 µF C0805, 10 µF, 10 V, X7R Wurth Elektronik 885012207026
C46 to C49 4n7 C1812, 4.7 nF, 2 kV, X7R Yageo 1812GC472KAZ1A
D1 to D9
33 V
Diode, TVS bipolar, 33 V, 400 W
STMicroelectronics
SMAJ33CA
D10 to D13 10 V Diode, TVS bipolar, 10 V, 400 W STMicroelectronics SMAJ10CA
D14 5 V Diode, TVS unipolar, 36 V, 400 W STMicroelectronics SMAJ5.0A
D15 Diode, Schottky, 30 V, 0.5 A, SOD123 Diodes, Inc. B0530W-7-F
D16 Diode, Schottky, 30 V, 0.5 A, SOD123 Diodes, Inc. B0530W-7-F
ERR
Red
Light emitting diode (LED), 0603, red
Osram
LSQ976-Z
F1 to F4 50 mA Fuse, 50 mA, 30 V, 10 A maximum Bourns MF-USMF005-2
J1 to J3 Connector, header, 90°, 5 position, 3.81 mm Phoenix Contact MC 1.5/ 5-G-3.81
J4 3.81 mm pitch Not applicable Not applicable
J5 DNP 1.25-MS3, ring tongue terminal, M3, No. 5, 16 AWG,
1.65 mm2
JST 1.25-MS3
J6
Power socket block, 3-way, 3.81 mm pitch
Phoenix Contact
MC1.5/3-G-3.81
J7 Header, R/A, 3.81 mm, 3-way Phoenix Contact MC 1.5/ 3-G-3.81
J8 120-way connector, 0.6 mm pitch Hirose FX8-120S-SV(21)
J10 7-pin inline header, 100 mil centers Wurth Elektronik 61300711121
LED Red LED, 0603, red Osram LSQ976-Z
LK1, LK2 2-pin (0.1") header and shorting shunt Harwin M20-9990246
LK3 B 3-pin (3x1) 0.1", Header B Harwin M20-9990346 M7566-05
PWR Green LED, green, surface mount device (SMD), 20 mA,
2.1 V, 566 nm
Vishay TLMP1100-GS08
R1, R49 4.7 kΩ Resistor, 4.7 kΩ, 0.063 W, 1%, 0402 Multicomp MCWR04X4701FTL
R2 100 kΩ Resistor, 100 kΩ, 0.063 W, 1%, 0402 Multicomp MC00625W04021100K
R3
2.2 kΩ
Resistor, 2.2 kΩ, 0.063 W, 1%, 0402
Multicomp
MC00625W040212K2
R4 100 kΩ Resistor, 100 kΩ, 0.063 W, 1%, 0402 Multicomp MC00625W04021100K
R5 to R7 0 Ω Resistor, 0402, 1%, 0 Ω Multicomp MC00625W040210R
R8 to R15 DNP Resistor, DNP, 0402 Multicomp MC00625W040211K
R16 to R24 180 Ω Resistor, 180 Ω, 0.1 W, 1%, 0603 Multicomp MCWR06X1800FTL
R25 to R28 180 Ω Resistor, 180 Ω, 0.1 W, 1%, 0805 Panasonic ERJ-P06J181V
R29 to R36 33 Ω Resistor, 33 Ω, 0.063 W, 1%, 0402 Multicomp MC00625W0402133R
R37 DNP Resistor, DNP, 0402 Not applicable Not applicable
R38 14 kΩ Resistor, 14 kΩ, 0.063 W, 1%, 0402 Multicomp MC00625W0402114K
R39 16.9 kΩ Resistor, 16.9 kΩ, 0.063 W, 1%, 0402 Multicomp MC00625W0402116K9
R40 10 kΩ Resistor, 10 kΩ, 0.063 W, 1%, 0402 Multicomp MC00625W0402110K
R41, R42
4.7 MΩ
Resistor, 4.7 MΩ, 0.5 W, 5%, 2010
BOURNS
CHV2010-JW-475ELF
R43 1 kΩ Resistor, 1 kΩ, 0.063 W, 1%, 0402 Multicomp MC00625W040211K
UG-1435 EVAL-AD4112SDZ User Guide
Rev. A | Page 26 of 26
Reference Designator Value Description Manufacturer Part Number
R44 100 kΩ Resistor, 100 kΩ, 0.063 W, 1%, 0402 Multicomp MC00625W04021100K
R45 DNP Resistor, DNP, 0402 Not applicable Not applicable
R46 to R48 100 kΩ Resistor, 100 kΩ, 0.063 W, 1%, 0402 Multicomp MC00625W04021100K
U1
±10 V and 0 mA to 20 mA, analog front end for
industrial automation systems
Analog Devices, Inc. AD4112SDZ
U2 2.5 V 2.5 V voltage reference, ±4 ppm/°C ± 0.04% Analog Devices, Inc. ADR4525ARZ
U3 Digital isolator, 4-channel, isoPower Analog Devices, Inc. ADUM5411BRSZ
U4 32 kb I2C serial EEPROM Microchip 24LC32A-I/MS
Y1 16 MHZ Miniature crystal, SMD Epson Toyocom FA-20H, 16 MHZ, 10 ppm
I2C refers to a communications protocol originally developed by Philips Semiconductors (now NXP Semiconductors).
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.
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UG17209-0-1/19(A)
