Operation
If this is the first time you connect the EVM to a PC, Windows
®
will install it as a USB HID device.
2.1.1.1
Jumpering Notes
The EVM can run in several input modes:
1. Analog input – Remove all of the jumpers in the JP3 block except for SDA, SCL, and A0. Be sure that
JP4/6 are in the 1 to 2 position and JP5 is not installed. Run the
TAS255x_Analog_Input_Init_Script.cfg
script.
2. Digital input from digital interface when attached to a device like an AP PSIA – Remove all of the
jumpers in the JP3 block except for SDA, SCL, and A0. Be sure that jumpers IV CLK, JP DOUT, and
DAT OUT are not installed.
Run the TAS255x_I2S_Input_Init_Script.cfg script.
3. Digital input from a PC media player to the digital input of the TAS2552 – Install all of the jumpers in
the JP3 jumper block except for the EN jumper. Be sure that the jumpers IV CLK, JP DOUT, and DAT
OUT are not installed.
Run the TAS255x_I2S_Input_Init_Script.cfg script.
2.1.2
Inputs and Outputs
The inputs and outputs for this EVM are described in this section.
2.1.2.1
Audio
1. Verify that the audio source is set to the minimum level.
2. Connect the audio source to the TAS2552-AIN RCA jack located in the top right corner of the EVM
(highlighted in red in
).
3. Connect an 8-
Ω
load to the OUT– and OUT+ terminals.
Figure 3. TAS2552EVM Analog Input Connections
5
SLAU496A – February 2014 – Revised July 2015
TAS2552 EVM
Copyright © 2014–2015, Texas Instruments Incorporated