SLAU936 August   2024 TAS2120

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Quick Start Guide
    1. 2.1 TAS2120EVM Setup for Software Mode
    2. 2.2 TAS2120EVM Setup for Hardware Mode
  9. 3Hardware
    1. 3.1  AC-MB Settings
      1. 3.1.1 Audio Serial Interface Settings
      2. 3.1.2 USB Audio AC-MB Settings
      3. 3.1.3 External Audio AC-MB Settings
    2. 3.2  AC-MB Power Supply
    3. 3.3  Default Jumper Setting on TAS2120EVM
    4. 3.4  I2C Target Address Selection
    5. 3.5  IOVDD Power Supply Options
    6. 3.6  AVDD Power Supply Options
    7. 3.7  VBAT Power Supply Options
      1. 3.7.1 VBAT 3S EVM Hardware Configuration
    8. 3.8  IOVDD_BUFF Power Supply Options
    9. 3.9  Speaker Outputs
    10. 3.10 2-Channel Configuration
    11. 3.11 4-Wire Measurement of Load
  10. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1. 5.1 Trademarks

2.2 TAS2120EVM Setup for Hardware Mode

Follow the information presented in this section to properly set the EVM for Hardware Mode. Place the jumpers as instructed in Table 3-3.

Table 2-2 Hardware Mode Jumper Settings
Jumper Setting Description

SEL1 (J9/J86)

21dBV-RampEn

Short from the middle row to a nearby pin to select one of the gain and ramp enable/disable options.

SEL2 (J10/J87)

TDM0 / I2SL

Short from the middle row to a nearby pin to select one of the channel options.

SEL3 (J78)

Falling Edge

Select SBCLK sampling edge.

SEL4 (J79)

80mW

Select the Y-Bridge Threshold option.

SEL5 (J8/J12)

1S Mode

Select 1S power mode. 2S mode requires special power connections.
TAS2120EVM Hardware Mode Jumper Settings Figure 2-2 Hardware Mode Jumper Settings

Once all the jumpers on the EVM are properly located, follow the steps below:

  • Remove jumper from J3 - IOVDD_MB on AC-MB.
  • Connect AC-MB to EVM by placing the EVM on top of the edge of the AC-MB.
  • Connect 5V power adapter to barrel jack J21 on TAS2120EVM
  • Connect USB cable from PC to AC-MB.
  • Place back the J3 - IOVDD_MB jumper on AC-MB to either 3.3V or 1.8V.

At this moment, the device is powered up and running, ready to play audio. The evaluation kit works as any other sound card, select the EVM as system playback device and use any software like web browser, media player, and so forth.