MCP6V01 Input Offset Demo Board User's Guide (c) 2009 Microchip Technology Inc. DS51801A Note the following details of the code protection feature on Microchip devices: * Microchip products meet the specification contained in their particular Microchip Data Sheet. * Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. * There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. * Microchip is willing to work with the customer who is concerned about the integrity of their code. * Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable." Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, rfPIC, SmartShunt and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, Linear Active Thermistor, MXDEV, MXLAB, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Application Maestro, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, In-Circuit Serial Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, mTouch, PICkit, PICDEM, PICDEM.net, PICtail, PIC32 logo, PowerCal, PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. (c) 2009, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received ISO/TS-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company's quality system processes and procedures are for its PIC(R) MCUs and dsPIC(R) DSCs, KEELOQ(R) code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001:2000 certified. DS51801A-page ii (c) 2009 Microchip Technology Inc. MCP6V01 INPUT OFFSET DEMO BOARD USER'S GUIDE Table of Contents Preface ........................................................................................................................... 1 Introduction............................................................................................................ 1 Document Layout .................................................................................................. 1 Conventions Used in this Guide ............................................................................ 2 Recommended Reading........................................................................................ 3 The Microchip Web Site ........................................................................................ 3 Customer Support ................................................................................................. 3 Document Revision History ................................................................................... 4 Chapter 1. Product Overview 1.1 Introduction ..................................................................................................... 5 1.2 Kit Contents .................................................................................................... 5 1.3 Intended Use .................................................................................................. 6 1.4 Description ..................................................................................................... 6 Chapter 2. Installation and Operation 2.1 Introduction ..................................................................................................... 9 2.2 Required Tools ............................................................................................... 9 2.3 Connecting the Lab Equipment ...................................................................... 9 2.4 Operating Conditions .................................................................................... 10 2.5 Calculating the DUT's Input Offset Voltage .................................................. 10 2.6 Converting Input Offset Voltage to Other Parameters .................................. 10 2.7 Reducing the Measurement Noise ............................................................... 12 Chapter 3. Possible Modifications 3.1 Introduction ................................................................................................... 13 3.2 Changing the DUT ........................................................................................ 13 3.3 Connecting a Chip Select Pin to Ground ...................................................... 14 Appendix A. Schematics and Layouts A.1 Introduction .................................................................................................. 15 A.2 Schematic .................................................................................................... 15 A.3 Combination of the Top Silk Screen and Top Metal Layers ..................... 17 A.4 Top Silk Screen ........................................................................................ 17 A.5 Top Metal Layer ....................................................................................... 18 A.6 Bottom Metal Layer .................................................................................. 18 Appendix B. Bill Of Materials (BOM) B.1 MCP6V01 Input Offset Demo Board BOM ................................................... 19 Worldwide Sales and Service .................................................................................... 20 (c) 2009 Microchip Technology Inc. DS51801A-page iii MCP6V01 Input Offset Demo Board User's Guide NOTES: DS51801A-page iv (c) 2009 Microchip Technology Inc. MCP6V01 INPUT OFFSET DEMO BOARD USER'S GUIDE Preface NOTICE TO CUSTOMERS All documentation becomes dated, and this manual is no exception. Microchip tools and documentation are constantly evolving to meet customer needs, so some actual dialogs and/or tool descriptions may differ from those in this document. Please refer to our web site (www.microchip.com) to obtain the latest documentation available. Documents are identified with a "DS" number. This number is located on the bottom of each page, in front of the page number. The numbering convention for the DS number is "DSXXXXXA", where "XXXXX" is the document number and "A" is the revision level of the document. For the most up-to-date information on development tools, see the MPLAB(R) IDE on-line help. Select the Help menu, and then Topics to open a list of available on-line help files. INTRODUCTION This chapter contains general information that will be useful to know before using the MCP6V01 Input Offset Demo Board. Items discussed in this chapter include: * * * * * * Document Layout Conventions Used in this Guide Recommended Reading The Microchip Web Site Customer Support Document Revision History DOCUMENT LAYOUT This document describes how to use the MCP6V01 Input Offset Demo Board. The manual layout is as follows: * Chapter 1. "Product Overview" - Important information about the MCP6V01 Input Offset Demo Board. * Chapter 2. "Installation and Operation" - Covers the initial set-up of the MCP6V01 Input Offset Demo Board. It lists the required tools and shows how to connect and set up the lab equipment. The basic theory on converting measurements to offset voltage, open-loop gain, CMRR, PSRR and input offset drift is given, along with a worked example. Hints are then given on reducing measurement noise. * Chapter 3. "Possible Modifications" - Shows simple modifications to the MCP6V01 Input Offset Demo Board. * Appendix A. "Schematics and Layouts" - Shows the schematic and board layouts for the MCP6V01 Input Offset Demo Board. * Appendix B. "Bill Of Materials (BOM)" - Lists the parts used to build the sub-assemblies in the MCP6V01 Input Offset Demo Board. (c) 2009 Microchip Technology Inc. DS51801A-page 1 MCP6V01 Input Offset Demo Board User's Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Arial font: Italic characters Represents Referenced books Emphasized text A window A dialog A menu selection A field name in a window or dialog A menu path MPLAB(R) IDE User's Guide ...is the only compiler... the Output window the Settings dialog select Enable Programmer "Save project before build" A dialog button A tab A number in verilog format, where N is the total number of digits, R is the radix and n is a digit. A key on the keyboard Click OK Click the Power tab 4`b0010, 2`hF1 Italic Courier New Sample source code Filenames File paths Keywords Command-line options Bit values Constants A variable argument Square brackets [ ] Optional arguments Curly brackets and pipe character: { | } Ellipses... Choice of mutually exclusive arguments; an OR selection Replaces repeated text #define START autoexec.bat c:\mcc18\h _asm, _endasm, static -Opa+, -Opa0, 1 0xFF, `A' file.o, where file can be any valid filename mcc18 [options] file [options] errorlevel {0|1} Initial caps Quotes Underlined, italic text with right angle bracket Bold characters N`Rnnnn Text in angle brackets < > Courier New font: Plain Courier New Represents code supplied by user DS51801A-page 2 Examples File>Save Press <Enter>, <F1> var_name [, var_name...] void main (void) { ... } (c) 2009 Microchip Technology Inc. Preface RECOMMENDED READING This user's guide describes how to use MCP6V01 Input Offset Demo Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources. MCP6V01/2/3 Data Sheet, "300 A, Auto-Zeroed Op Amps", DS22058 Gives detailed information on one op amp family that is used on the MCP6V01 Input Offset Demo Board. MCP6021/1R/2/3/4 Data Sheet, "Rail-to-Rail Input/Output, 10 MHz Op Amps", DS21685 Gives detailed information on another op amp family that is used on the MCP6V01 Input Offset Demo Board. AN1177 Application Note, "Op Amp Precision Design: DC Errors", DS01177 Discusses how to achieve high DC accuracy in op amp circuits. Also discusses the relationship between an op amp's input offset voltage (VOS), CMRR, PSRR, Open-Loop Gain and VOS Drift over Temperature. THE MICROCHIP WEB SITE Microchip provides online support via our web site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site contains the following information: * Product Support - Data sheets and errata, application notes and sample programs, design resources, user's guides and hardware support documents, latest software releases and archived software * General Technical Support - Frequently Asked Questions (FAQs), technical support requests, online discussion groups, Microchip consultant program member listing * Business of Microchip - Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: * * * * * Distributor or Representative Local Sales Office Field Application Engineer (FAE) Technical Support Development Systems Information Line Customers should contact their distributor, representative or field application engineer for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at: http://support.microchip.com (c) 2009 Microchip Technology Inc. DS51801A-page 3 MCP6V01 Input Offset Demo Board User's Guide DOCUMENT REVISION HISTORY Revision A (March 2009) * Initial Release of this Document. DS51801A-page 4 (c) 2009 Microchip Technology Inc. MCP6V01 INPUT OFFSET DEMO BOARD USER'S GUIDE Chapter 1. Product Overview 1.1 INTRODUCTION The MCP6V01 Input Offset Demo Board is described by the following: * Assembly # : 102-00227-R3 * Order # : MCP6V01DM-VOS * Name: MCP6V01 Input Offset Demo Board Items discussed in this chapter include: * Kit Contents * Intended Use * Description 1.2 KIT CONTENTS This MCP6V01 Input Offset Demo Board Kit includes: * Assembled Printed Circuit Board (PCB) * Important Information "Read First" * Analog and Interface Products Demonstration Boards CD-ROM (DS21912) Includes: - MCP6V01 Input Offset Demo Board User's Guide, (DS51801) FIGURE 1-1: (c) 2009 Microchip Technology Inc. MCP6V01 Input Offset Demo Board Contents. DS51801A-page 5 MCP6V01 Input Offset Demo Board User's Guide 1.3 INTENDED USE The MCP6V01 Input Offset Demo Board is intended to provide a simple means to measure the MCP6V01/2/3 op amp's input offset voltage (VOS) under a variety of bias conditions. This VOS includes the specified input offset voltage value found in the data sheet plus changes due to power supply voltage (PSRR), common mode voltage (CMRR), output voltage (AOL) and temperature (VOS/TA). 1.4 DESCRIPTION Figure 1-2 shows the block diagram for the MCP6V01 Input Offset Demo Board. VCM VDD/2 Reference (buffered) VDD/2 GND Outputs VREF. VDD Inputs Diff. Amp. VM GND VCM VCM Reference (buffered) DUT High Gain Feedback Network FIGURE 1-2: Block Diagram. This circuit does the following: * Supports Microchip's auto-zeroed, single op amps: - SOIC-8 package - Used as both Device Under Test (DUT) and in a difference amplifier * Test points for connecting lab equipment * Single supply configuration * The bias inputs VDD, VCM and GND set the conditions for the DUT * The VDD/2 Reference uses a resistor ladder to divide VDD in half, then buffers that voltage with an op amp in unity gain * The VCM Reference: - Has a resistor divider at the input that sets VCM = VDD/2 when that input is left open - When VCM is driven by an external voltage source, the resistor divider has no effect on VCM - VCM is buffered * The High Gain Feedback Network and DUT together: - Have a noise gain of GN 10.0 kV/V - Have a common mode gain of 1 V/V - Produce an output voltage of GNVOS + VCM DS51801A-page 6 (c) 2009 Microchip Technology Inc. Product Overview * The Difference Amplifier (Diff. Amp.): - Rejects the DUT's common mode output (VCM) - Provides additional gain (GDA 10.0 V/V) to the term GNVOS at the DUT's output - Shifts the output so it is centered on the reference VREF = VDD/2 - Produce an output voltage of GDAGNVOS + VDD/2 The inputs: * Allow the DUT to be biased at most valid bias points * Allow VCM to set by the circuit at VDD/2, or set by the user The outputs: * Make it easy to measure the important bias voltages VDD/2 and VCM * Make it easy to measure VM - VDD/2 = GDAGNVOS (c) 2009 Microchip Technology Inc. DS51801A-page 7 MCP6V01 Input Offset Demo Board User's Guide NOTES: DS51801A-page 8 (c) 2009 Microchip Technology Inc. MCP6V01 INPUT OFFSET DEMO BOARD USER'S GUIDE Chapter 2. Installation and Operation 2.1 INTRODUCTION This chapter shows how to set up the MCP6V01 Input Offset Demo Board. Items discussed in this chapter include: * * * * * * 2.2 Required Tools Connecting the Lab Equipment Operating Conditions Calculating the DUT's Input Offset Voltage (VOS) Converting Input Offset Voltage to Other Parameters Reducing the Measurement Noise REQUIRED TOOLS * Lab Power Supplies: - Two outputs - 0V to 5.5V minimum range - Adjustable * One Voltmeter: - 1 mV resolution - -6V to +6V minimum range - Differential measurement (e.g., hand held meter) 2.3 CONNECTING THE LAB EQUIPMENT Lab equipment is connected to this board as shown in Figure 2-1. The (surface mount) test points allow lab equipment to be connected to these boards. The power supplies are connected at the right. The voltmeter is connected at the four different points shown. Voltmeter VM -VDD/2 Voltmeter VDD/2 - GND Voltmeter VO1 - GND FIGURE 2-1: (c) 2009 Microchip Technology Inc. Voltmeter VCM - GND Power Supply VCM - GND Power Supply VDD - GND Board Connections for the MCP6V01 Input Offset Demo Board. DS51801A-page 9 MCP6V01 Input Offset Demo Board User's Guide 2.4 OPERATING CONDITIONS This board works most effectively at room temperature (near +25C). Measurements at other temperatures should be done in an oven where the air velocity is minimal. The power supply (VDD) should be between 1.8V and 5.5V. The common mode voltage (VCM) needs to be between 0.3V and VDD - 0.3V for proper operation of this demo board. 2.5 CALCULATING THE DUT'S INPUT OFFSET VOLTAGE The DUT's total input offset voltage (VOST) can be calculated from a measurement as shown in Equation 2-1. EQUATION 2-1: V OST = ( V M - V DD 2 ) ( 1 ( G DA G N ) ) Where: 1/(GDAGN) 10.0 V/V 2.6 CONVERTING INPUT OFFSET VOLTAGE TO OTHER PARAMETERS 2.6.1 Theory Changing the bias voltages changes the input offset voltage. Microchip's application note AN1177 discusses in detail how these changes in VOS are related to specifications found in our data sheets. The following list summarizes the parameters that contribute to VOST: * Specified Input Offset Voltage: - VOS = Input offset at the specified bias point * DC Common Mode Rejection Ratio: - CMRR = VCM/VOS * DC Power Supply Rejection Ratio: - PSRR = (VDD - VSS)/VOS * DC Open-Loop Gain: - AOL = VOUT/VOS * Input Offset Drift over Temperature: - VOS/TA Note: DS51801A-page 10 The data sheet Input Offset Voltage (VOS) specification applies to one bias point and temperature only. The total input offset voltage (VOST) includes VOS and other changes in input offset as bias voltages and temperature change. (c) 2009 Microchip Technology Inc. Installation and Operation Example 2-1 gives an example of how VOST changes with the common mode input voltage (VCM). EXAMPLE 2-1: COMMON MODE CHANGE EXAMPLE Given: VOST = 0.5 V, VCM = 0V VOST = 1.0 V, VCM = 5V Then: VOST = 0.5 V VCM = 5.0V CMRR = 5.0V / 0.5 V = 10 V/V = 140 dB 2.6.2 Application When the common mode voltage (VCM) is changed on this demo board, the output voltage (VOUT) is forced to change by the same amount. There is no means provided to independently change VCM and VOUT. Thus, it is not possible to separate the Open-Loop Gain (AOL) effect from the CMRR effect using this board. Note: VOUT cannot be changed independently of VCM, so AOL and CMRR cannot be distinguished using this circuit. Since AOL is usually much better than CMRR for the MCP6V0X op amps, we can attribute most of the change to CMRR and ignore AOL in most cases. Table 2-1 shows one possible measurement matrix that will allow the user to estimate key parameters for the DUT. TABLE 2-1: MEASUREMENT MATRIX Operating Inputs (Note 1) Measurement TA (C) VDD (V) VCM (V) Symbol +25 5.5 OFF VM1 Quick Check VDD/3 VM2 VOS and PSRR 0.5 VM3 CMRR and AOL 1.8 -40 +85 +125 Note 1: 5.5 Comments 5.0 VM4 VDD/3 VM5 VOS and PSRR 0.3 VM6 CMRR and AOL 1.5 VM7 VDD/3 VM8 VDD/3 VM9 VDD/3 VM10 VOS at temperature and VOS/TA VSS = GND = 0V. VCM = OFF means that the its power supply is off (VCM = VDD/2). VOUT VCM. Based on these measurements, we can make the following estimates, where the VOST_k values are calculated from the measured VMk values (see Equation 2-1): (c) 2009 Microchip Technology Inc. DS51801A-page 11 MCP6V01 Input Offset Demo Board User's Guide TABLE 2-2: ESTIMATES Operating Inputs VDD (V) TA (C) 1.8 and 5.5 -40 to +125 +25 5.5 1.8 Estimate Equations (Note 1) 1/AOL = 0, by assumption 1/PSRR = (VOST_2 - VOST_5) / (3.7V) V/V V/V -40 VOS = VOST_8 V +25 VOS = VOST_2 V +85 VOS = VOST_9 V +125 VOS = VOST_10 V -40 to +125 VOS/TA = (VOST_10 - VOST_8) / (165C) V/C +25 1/CMRR = {(VOST_4 - VOST_3) / (4.5V) V/V +25 VOS = VOST_5 V 1/CMRR = (VOST_7 - VOST_6) / (1.2V) Note 1: Units V/V VOST_k is calculated from VMk using Equation 2-1. Obviously, other values of TA, VDD, ... can be used instead, with the proper adjustments to these equations. 2.7 REDUCING THE MEASUREMENT NOISE The noise seen in the measurements is a result of the design choices made for the MCP6V01 Input Offset Demo Board. The components R12 and C5 set a lowpass pole at 0.16 Hz, which gives reasonable noise performance (0.2 VPK referred to the input of the DUT) and settling time (1 to 2 seconds). To achieve lower noise in your results, average many measurements together. For instance, measuring the output (VM - VDD/2) once a second for 16 seconds (16 samples) should produce an estimate with noise 16 = 4 times lower (i.e., 0.05 VPK). There is a practical limit on increasing the sample rate; the noise does not improve significantly after a certain point. The analog lowpass pole at 0.16 Hz causes closely spaced samples to be correlated. To avoid the overhead caused by sampling too fast, keep the sampling period near or above the pole's time constant (1.0s); this gives a minimum sample rate of 1 sample per second. Note: DS51801A-page 12 Sampling much faster than 1 SPS will not improve the averaged noise of this board's output significantly. (c) 2009 Microchip Technology Inc. MCP6V01 INPUT OFFSET DEMO BOARD USER'S GUIDE Chapter 3. Possible Modifications 3.1 INTRODUCTION This chapter shows simple modifications to the MCP6V01 Input Offset Demo Board: * Changing the DUT * Connecting a Chip Select Pin to Ground 3.2 CHANGING THE DUT Change the DUT (see Figure 3-1) to the MCP6V06 Op Amp as follows: 1. Remove U1 from the PCB, using a de-soldering tool. 2. Solder a MCP6V06 op amp in its place. Use a MCP6V06 in a SOIC-8 package. Pin 1 is next to the U1 reference designator on the PCB (not next to the DUT label) Label Reference Designator DUT's Pin 1 FIGURE 3-1: (c) 2009 Microchip Technology Inc. Location and Orientation of DUT. Draft DS51801A-page 13 MCP6V01 Input Offset Demo Board User's Guide 3.3 CONNECTING A CHIP SELECT PIN TO GROUND The DUT can be changed to the MCP6V03 or MCP6V08 op amps with chip select. If desired, their Chip Select pin (pin 8) can be forced to ground. This is done as follows (see Figure 3-2): 1. Solder one end of a wire to the DUT's pin 8. Pin 8 is next to the U1 reference designator on the PCB (not next to the DUT label) 2. Solder the other end of the wire the closest ground via on the PCB. The striped green arrow to the right in the figure shows the location. The solid green curve represents the wire. DUT's Pin 8 FIGURE 3-2: DS51801A-page 14 Ground Via Location and Orientation of DUT. Draft (c) 2009 Microchip Technology Inc. MCP6V01 INPUT OFFSET DEMO BOARD USER'S GUIDE Appendix A. Schematics and Layouts A.1 INTRODUCTION This appendix contains the schematics and layouts for the MCP6V01 Input Offset Demo Board. The Gerber files for this board are available on the Microchip website (www.microchip.com) and are contained in the "00227R3_Gerbers.zip" zip file . A.2 SCHEMATIC See below the circuit diagram. On the left is the DUT (U1), which produces the common mode voltage plus the DUT's input offset (VOS) times a gain. In the middle is the difference amplifier that amplifies and level shifts the DUT's output minus the mid-supply reference voltage. On the top right is the mid-supply reference (VDD/2) and buffer. On the middle right is the common mode voltage reference (VCM) with buffer. On the bottom are the supply bypass capacitors and filter resistors. (c) 2009 Microchip Technology Inc. DS51801A-page 15 MCP6V01 Input Offset Demo Board User's Guide BOARD SCHEMATIC (Continued) M A.2 DS51801A-page 16 (c) 2009 Microchip Technology Inc. Schematics and Layouts A.3 COMBINATION OF THE TOP SILK SCREEN AND TOP METAL LAYERS A.4 TOP SILK SCREEN (c) 2009 Microchip Technology Inc. DS51801A-page 17 MCP6V01 Input Offset Demo Board User's Guide A.5 TOP METAL LAYER A.6 BOTTOM METAL LAYER DS51801A-page 18 (c) 2009 Microchip Technology Inc. MCP6V01 INPUT OFFSET DEMO BOARD USER'S GUIDE Appendix B. Bill Of Materials (BOM) B.1 MCP6V01 INPUT OFFSET DEMO BOARD BOM The BOM in Table B-1 corresponds to Figure 2-1; it shows all of the components assembled on the PCB. Table B-2 shows additional parts that come in the ESD protection bag that the user, if needed, installs. TABLE B-1: Qty BILL OF MATERIALS FOR ASSEMBLED PCB Reference Description Panasonic(R) Part Number 7 C3, C4, C7, C10, C14, C17, C18 5 C1, C2, C8, C13, C16 1.0 F, 1206 SMD, X7R, 16V, 10% ECJ-3YB1C105K 5 C5, C6, C9, C11, C15 10 F, 1206 SMD, X7R, 16V, 10% ECJ-3YX1C106K 1 C12 100 F, Radial, Electrolytic, 10V, 20% 1 PCB 2 layer PCB (2.20 in x 2.00 in) 2 R7, R10 33.2 k, 0603 SMD, 0.1%, 25 ppm/C, Susumu Co. Ltd. 1/10W RG1608P-3322-B-T5 2 R8, R11 332 k, 0603 SMD, 0.1%, 25 ppm/C, 1/10W RG1608P-3323-B-T5 3 R23, R24, R25 10.0, 0603 SMD, 1%, 1/10W 2 R1, R2 20.0, 0603 SMD, 1%, 1/10W ERJ-3EKF20R0V 2 R21, R22 49.9, 0603 SMD, 1%, 1/10W ERJ-3EKF49R9V 1 R4 1.00 k, 0603 SMD, 1%, 1/10W ERJ-3EKF1001V 2 R5, R9 3.01 k, 0603 SMD, 1%, 1/10W ERJ-3EKF3011V 1 R19 10.0 k, 0603 SMD, 1%, 1/10W ERJ-3EKF1002V 5 R6, R12, R15, R16, R20 100 k, 0603 SMD, 1%, 1/10W ERJ-3EKF1003V 2 R17, R18 182 k, 0603 SMD, 1%, 1/10W ERJ-3EKF1823V 1 R3 196 k, 0603 SMD, 1%, 1/10W ERJ-3EKF1963V 2 R13, R14 200 k, 0603 SMD, 1%, 1/10W 2 U1, U2 MCP6V01, SOIC-8, Single Op Amp 1 U3 MCP6002, SOIC-8, Dual Op Amp 7 TP1 - TP7 SMD, Test Point Note 1: 100 nF, 0603 SMD, X7R, 16V, 10% Manufacturer -ECG ECJ-1VB1C104K EEU-FC1A101S n/a n/a Panasonic-ECG ERJ-3EKF10R0V ERJ-3EKF2003V Microchip Technology Inc. Keystone Electronics(R) MCP6V01-E/SN MCP6002-E/SN 5016 The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM used in manufacturing uses all RoHS-compliant components. TABLE B-2: BILL OF MATERIALS FOR LOOSE PARTS IN BAG Qty. Reference Designator 4 (for PCB mounting) Stand-off, Hex, 0.500", 4 x 40 Thread, Nylon, 0.285" max. O.D. Keystone Electronics 1902C 4 (for PCB mounting) Machine Screw, Phillips, 4 x 40 Thread, 1/4" long, Nylon Building Fasteners NY PMS 440 0025 PH (c) 2009 Microchip Technology Inc. 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