Using the TAS5753MDEVM with PurePath Console 3
6
SLAU683 – May 2016
Copyright © 2016, Texas Instruments Incorporated
TAS5753MD Evaluation Module
Ensure that the PurePath Console motherboard and EVM are recognized as USB-AudioEVM, and that the
sampling frequency is set to 48 kHz. Otherwise, the hardware check fails and the EVM evaluation may not
be correct. This information is found under sound settings in the control panel of the host computer.
3.4
Audio I/O
This tool selects the desired audio input to test the board. USB, optical, coaxial, and line inputs are
supported by the motherboard. USB audio source is selected as default but there is an option to enable or
disable the audio source to the amplifier by clicking on
Speaker out
. The available sampling rates for each
digital input are shown in
.
Table 1. Available Sample Rates for Each Digital Input
Input
Sampling rates available
USB in
48 kHz
Optical In
48 kHz / 44.1 kHz
Coax In
48 kHz / 44.1 kHz
Although PPCMB operating range is up to 192 kHz, the available sample rates are limited to
theTAS5753MD.
The headphone output of the stereo amplifier can be turned on or off in the
Audio I/O
window. The source
for the headphone output of the evaluation module is the analog input of the PPCMB.
3.5
Tuning and Audio Processing
The main features of the amplifier audio processing are configured through this window. After opening the
Tuning and Audio Processing
window, the devices in the EVM are configured with default settings. USB
audio is selected as the audio source by default. Configuration options include which device on the board
(either stereo or mono) is being configured, the audio source for the amplifiers, as well as the audio
processing features available in the device. The option to save the changes made during the audio tuning
using the snapshot feature of PPC3 is also available.