User's Guide
SBAU107–November 2004
ADS1271EVM & ADS1271EVM-PDK
This user's guide describes the characteristics, operation, and use of the
ADS1271EVM, both by itself and as part of the ADS1271EVM-PDK. This EVM is a
24-bit analog-to-digital converter evaluation module. A complete circuit description,
schematic diagram, and bill of materials are also included.
The following related documents are available through the Texas Instruments web site
at www.ti.com.
EVM-Compatible Device Data Sheets
Literature
Device
Number
ADS1271
SBAS306
SBOS099B
SBOS286
SBVS002
SBVS046A
SCES530C
SCES531D
SCES223L
SCES325G
SCES207I
SLVS338H
OPA350
OPA1632
REF1004
REF3125
SN74AVC1T45
SN74AVC2T45
SN74LVC1G125
SN74LVC2G66
SN74LVC2G157
TPS71550
Contents
1
2
3
4
5
6
7
EVM Overview ............................................................................................................... 2
Analog Interface.............................................................................................................. 2
Digital Interface .............................................................................................................. 3
Power Supplies .............................................................................................................. 4
EVM Operation............................................................................................................... 6
Kit Operation ................................................................................................................. 8
EVM Bill of Materials and Schematic .................................................................................... 12
List of Figures
1
2
3
ADS1271EVM Switch and Jumper Locations............................................................................ 6
ADS1271EVM-PDK Block Diagram ...................................................................................... 9
Default Software Screen .................................................................................................. 10
List of Tables
1
2
3
Analog Interface Pinout (J1)................................................................................................ 3
Auxiliary Analog Input 1 Pinout (J4)....................................................................................... 3
Auxiliary Analog Input 2 Pinout (J5)....................................................................................... 3
SBAU107–November 2004
ADS1271EVM & ADS1271EVM-PDK
1