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  • ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module

    • SBAU359A May   2019  – June 2021

       

  • CONTENTS
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  • ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module
  1.   Trademarks
  2. 1Introduction
  3. 2Hardware Overview
    1. 2.1 AC-MB Settings
      1. 2.1.1 Audio Serial Interface Settings
        1. 2.1.1.1 USB
        2. 2.1.1.2 Optical or Auxilary Analog Audio Input
        3. 2.1.1.3 External
      2. 2.1.2 AC-MB Power Supply
    2. 2.2 ADCx120EVM-PDK Hardware Settings
      1. 2.2.1 Line Inputs
      2. 2.2.2 Onboard Microphone Configuration
      3. 2.2.3 External Microphone Configurations
  4. 3Software Overview
    1. 3.1 PurePath Console 3 Installation
    2. 3.2 ADCx120EVM GUI Installation
      1. 3.2.1 Software Setup
  5. 4GPIO1 Settings
  6. 5Master Mode Operation
  7. 6Quick Start
    1. 6.1 Configuring the Audio Serial Bus for the I2S Output
    2. 6.2 Saving a Configuration
  8. 7Schematic and Bill of Materials
    1. 7.1 ADCx120EVM-PDK Schematic and Bill of Materials
      1. 7.1.1 ADCx120EVM-PDK Schematic
      2. 7.1.2 ADCx120EVM-PDK Bill of Materials
    2. 7.2 AC-MB Schematic and Bill of Materials
      1. 7.2.1 AC-MB Schematic
      2. 7.2.2 AC-MB Bill of Materials
    3. 7.3 Matlab Audio Capture Example
  9. 8Revision History
  10. IMPORTANT NOTICE
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EVM USER'S GUIDE

ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module

Trademarks

PurePath is a trademark of Texas Instruments Incorporated.

Audio Toolbox is a trademark of MathWorks.

All trademarks are the property of their respective owners.

1 Introduction

The ADCx120EVM-PDK is an evaluation module (EVM) designed to demonstrate the performance and functionality of the TLV320ADCx120 family of devices. This family includes the devices shown in Table 1-1 with differences in performance and function noted. The family also includes the PCMD3140, which is the digital mic only version of the device.

Table 1-1 TLV320ADCx120 Family
Device SNR Without DRE (dB) SNR With DRE (dB)
TLV320ADC3120 106 N/A
TLV320ADC5120 108 120
TLV320ADC6120 112 123
PCMD3140 127 (5th-order PDM) N/A

2 Hardware Overview

The evaluation kit consists of the TLV320ADCx120EVB daughterboard and the AC-MB motherboard. The motherboard is used to provide power, control, and digital audio signals to the evaluation module. The daughterboard contains the TLV320ADCx120 device and its input connections.

 
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