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User's Guide
SBOU119–November 2011
INA149EVM
This user's guide describes the characteristics, operation, and use of the evaluation module (EVM) for the
INA149. The EVM is designed to evaluate the performance of the device in both single and dual-supply
configurations. This document also includes the schematic, printed circuit board (PCB) layout, and a bill of
materials (BOM). Throughout this document the terms evaluation board, evaluation module, and EVM are
synonymous with the INA149EVM.
WARNING
Danger: HIGH VOLTAGE! This evaluation board is intended for
professional use only. It has exposed high voltages. Do not
operate this board without proper high-voltage/high-current safety
practices. Read Section 1.3 before using the EVM.
Contents
1 Introduction and Warnings ................................................................................................. 2
2 INA149EVM Hardware ..................................................................................................... 4
3 Bill of Materials ............................................................................................................. 10
4 Related Documentation from Texas Instruments ..................................................................... 10
List of Figures
1 INA149EVM.................................................................................................................. 2
2 INA149EVM Input/Output Schematic..................................................................................... 4
3 INA149EVM Reference Voltage Schematic............................................................................. 5
4 INA149EVM Power Schematic............................................................................................ 6
5 INA149EVM Complete Schematic........................................................................................ 7
6 INA149EVM PCB Layout .................................................................................................. 9
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SBOU119–November 2011 INA149EVM
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