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Introduction and Overview
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List of Tables
1 PGA309 Test Board Parts List........................................................................................... 12
2 J1 Pinout (25-Pin Male DSUB) .......................................................................................... 14
3 J2 Pinout (25-Pin Female DSUB) ...................................................................................... 15
4 PGA309_Test_Board Jumper Functions: General.................................................................... 22
5 PGA309_Test_Board Jumper Functions: Miscellaneous Connections............................................. 23
6 PGA309_Test_Board Jumper Functions: Sensor Emulator Section ............................................... 23
7 USB-DAQ-Platform Jumper Settings ................................................................................... 24
1 Introduction and Overview
This document provides the information needed to set up and operate the PGA309EVM-USB evaluation
module, a test platform for the PGA309 programmable sensor conditioner. For a more detailed description
of the PGA309, refer to the product data sheet (SBOS292) available from the Texas Instruments web site
at http://www.ti.com. Additional support documents are listed in the section of this guide entitled Related
Documentation from Texas Instruments.
The PGA309EVM-USB is an evaluation module that is used to fully evaluate the PGA309. The PGA309 is
an integrated circuit that provides temperature compensation and linearization for bridge sensors. The
PGA309EVM-USB consists of two PCBs. One board (the USB-DAQ-Platform) generates the digital
signals required to communicate with the PGA309. The other board (the PGA309_Test_Board) contains
the PGA309 device, as well as support and configuration circuitry.
Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with
the PGA309EVM-USB.
2
PGA309EVM-USB SBOU084–February 2010
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