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This user's guide describes the characteristics, operation, and use of the ADS7861/8361/7863EVM. This
evaluation model (EVM) is an evaluation board for the ADS7861, ADS7863, and ADS8361, a family of
12-/16-bit, dual, 500-kSPS, 2+2 channel, serial analog-to- digital converters (ADCs). The EVM allows
evaluation of all aspects of the ADS7861/7863/8361 devices. Complete circuit descriptions, a schematic
diagram, and a bill of materials are included in this document.
The following related documents are available for download through the Texas Instruments web site at
http://www.ti.com.
ADS7861
ADS7863
ADS8361
Op Amps for Everyone Design Guide
1
EVM Overview
2
Analog Interface
3
Digital Interface
4
Power Supplies
5
EVM Operation
6
Schematic, Bill of Materials, and Layout
All trademarks are the property of their respective owners.
SLAU094A – October 2002 – Revised May 2011
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ADS7861/8361/7863EVM
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Copyright © 2002–2011, Texas Instruments Incorporated
SLAU094A – October 2002 – Revised May 2011
ADS7861/8361/7863EVM
Literature Number
SBAS110
SBAS383E
SBAS230
SLOD006B
Contents
User's Guide
ADS7861/8361/7863EVM
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Related Manuals for Texas Instruments ADS7861EVM
Summary of Contents for Texas Instruments ADS7861EVM
- Page 1 ADS7861/7863/8361 devices. Complete circuit descriptions, a schematic diagram, and a bill of materials are included in this document. The following related documents are available for download through the Texas Instruments web site at http://www.ti.com.
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Page 2: Evm Overview
Built-in reference • High-speed serial interface This manual covers the operation of the ADS7861EVM, ADS8361EVM, and the ADS7863EVM, collectively identified as ADS7861/8361/7863EVM. Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with the ADS7861/8361/7863EVM. Unless otherwise indicated, all references to device operation apply to all three devices. -
Page 3: Digital Interface
Operates in conjunction with M0. See device J5.5 data sheet for details. J5.7 OUT B B channel secondary output J5.2 to J5.8 (even) DGND Digital ground connections SLAU094A – October 2002 – Revised May 2011 ADS7861/8361/7863EVM Submit Documentation Feedback Copyright © 2002–2011, Texas Instruments Incorporated... - Page 4 R12, R13, and R14. In the factory default configuration, the ADC converts the A0 and B0 inputs, and places AOUT serial data on pin J2.13, and BOUT serial data on pin J5.7. SLAU094A – October 2002 – Revised May 2011 ADS7861/8361/7863EVM Submit Documentation Feedback Copyright © 2002–2011, Texas Instruments Incorporated...
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Page 5: Bill Of Materials
IC, ADC 12-Bit SER 2M 24QSOP ADS7863IDBQ IC EEPROM 256kBIT 400KHz Microchip 24AA256-I/ST 8TSSOP IC OPAMP GP R-R 50MHz DUAL OPA2365AID 8SOIC SLAU094A – October 2002 – Revised May 2011 ADS7861/8361/7863EVM Submit Documentation Feedback Copyright © 2002–2011, Texas Instruments Incorporated... -
Page 6: Revision History
........................• Added figure of EVM NOTE: Page numbers for previous revisions may differ from page numbers in the current version. SLAU094A – October 2002 – Revised May 2011 Revision History Submit Documentation Feedback Copyright © 2002–2011, Texas Instruments Incorporated... - Page 7 Revision History ECN Number Approved AVdd 1000pF OPA2365 49.9 49.9 49.9 100pF CLOCK 1000pF 11 12 100pF 13 14 15 16 49.9 17 18 Data A 19 20 49.9 100pF BUSY 1000pF 100pF CONVST 49.9 DVdd 49.9 100pF 11 12 REFout 13 14 1000pF...
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Page 8: Evaluation Board/Kit Important Notice
Evaluation Board/Kit Important Notice Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. -
Page 9: Important Notice
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
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