2CH Analog Input
From Other Source/
Digital Out
PC Interface
SPDIF/
Optical, Coax
TAS5755
Left
Subwoofer
TAS5755MEVM
MC57xxPSIA
Right
Copyright © 2017, Texas Instruments Incorporated
Overview
3
SLOU481A – August 2017 – Revised October 2017
Copyright © 2017, Texas Instruments Incorporated
TAS5755MEVM Evaluation Module
The EVM, together with other TI components on this board, is a complete 2.1-channel digital audio
amplifier system. The MC57xxPSIA Controller board includes a USB interface, a digital input (SPDIF),
analog inputs via the ADC, power inputs, and other features like a mute function and power down.
Figure 2. Complete System and EVM Signal Path Overview
1.1
TAS5755MEVM and MC57xxPSIA Features
The EVM and MC57xxPSIA have the following features:
•
Channel evaluation module design
•
Self-contained protection systems and control pins
•
USB interface
•
Standard I
2
S 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
•
Access to control signal gain and data format through EVM-software GUI
