Operation
2. The TPA6130A2 software interface is as shown in
.
Figure 5. Software Interface
NOTE:
The TPA6130A2 powers up with the amplifiers disabled, muted, and the gain set to the
minimum. To hear an output, enable and unmute each channel, and set the gain to a higher
level
3.
Follow these steps if the host PC running the TPA6130A2EVM GUI is also the music source.
When using Windows 7, if, after initially installing the software, the PC does not play music out of the
headphone jack:
(a) Open the Control Panel.
(b) Click on Sounds, Speech, and Audio Device Link under the Control Panel.
(c) Click on Sounds and Audio Device Properties link.
(d) Click on the Audio tab.
(e) Verify that the Default device under sound playback is the audio driver of the PC HW, not the
USBMODEVM TPA6130A2 GUI driver, otherwise the computer will try and send audio via USB,
not the headphone output.
(f) Change the driver in the menu to the PC Audio HW driver.
(g) Click on OK.
4. Uncheck and check
Enable Left
or
Enable Right
to place the corresponding channels in and out of
SHUTDOWN.
5. Check and uncheck
Mute Left
or
Mute Right
to place the corresponding channels in and out of MUTE.
6. Click
Software Shutdown
to place the TPA6130A2 in and out of SHUTDOWN.
5
SLOU185A – October 2006 – Revised September 2014
TPA6130A2EVM
Submit Documentation Feedback
Copyright © 2006–2014, Texas Instruments Incorporated