Texas Instruments quick start TAS5727EVM and MC57xxPSIA Features, EVM Installation

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1.1TAS5727EVM and MC57xxPSIA Features

•Channel evaluation module design

•Self-contained protection systems and control pins

•USB interface

•Standard I2S data input using optical or coaxial inputs

•Analog input through analog-to-digital converter

•Subwoofer connection— the PWM terminal provides the PWM signal and power to an external subwoofer board

•Double-sided, plated-through PCB, 1oz copper, 2mm

•Access to control signal gain and data format through EVM-software GUI

2Installation

This section describes the EVM and software installation.

2.1EVM Installation

5V Supply for System Power

Coaxial SPDIF Input

Optical SPDIF Input

USB Port

8V–26V Supply for Output Power

Analog In to ADC

Speaker

Out A & B

Speaker

Out PBTL

Speaker

Out C & D

Figure 3. General Connection Picture

The following are the basic tools for the initial EVM power up.

•5V, 1A power supply (VIN)

•8–26V, 4A power supply (PVDD)

•Banana-plug test leads for power supplies and speakers

•Optical or coaxial cable for SPDIF interface based on signal source

•USB cable

•EVM software

•Two 8Ω speakers or loads

The following sections describe the TAS5727EVM board in regards to power supply (PSU) and system interfaces.

SLOU299 –December 2010	TAS5727 25W Digital Input Amplifier—with EQ and 2-Band DRC	3
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