SBOU257 June   2021 PGA2500

 

  1.   Trademarks
  2. 1Product Overview
  3. 2Features
  4. 3Getting Started
    1. 3.1 Electrostatic Discharge Warning
    2. 3.2 Unpacking the EVM
    3. 3.3 Absolute Operating Conditions Warning
  5. 4Setup Guide
    1. 4.1 Analog and Digital Power Supplies
    2. 4.2 Microphone Input
    3. 4.3 Phantom Power Connections
    4. 4.4 DC Blocking Capacitors
    5. 4.5 Protection Network
    6. 4.6 Configurable Input Circuitry
    7. 4.7 Configurable Output Circuitry and Preamp Output Connector
  6. 5Schematic, PCB Layout, and Bill of Materials
    1. 5.1 Schematic
    2. 5.2 PCB Layout
    3. 5.3 Bill of Materials
  7. 6Software Operation
    1. 6.1 Applications Software Overview
    2. 6.2 Using the GUI

2 Features

The PGA2500EVMV2 provides a convenient platform for evaluating the performance and features of the PGA2500 product. Key EVM features include the following:

  • Accepts either XLR or TRS balanced input connections
  • Configurable front-end circuit options for prototyping pads and filters
  • XLR and TRS balanced output with flexible output loading options
  • LED indicators for GPOs and the over range output
  • Common-mode voltage input (VCOMIN) terminal
  • Includes applications software which is compatible with most personal computers that have a built-in USB port
  • Requires +5-V and −5-V analog supplies, as well as a +5-V digital supply
    • The user may leave the +5-V digital supply (VCC) unconnected if using the MSP-EXP430F5529LP