3.6
Disable Biquads
4
TAS5706EVM2 Quick-Start Setup Guide
www.ti.com
TAS5706EVM2 Quick-Start Setup Guide
The Biquads on channel1 and channel2 can be disabled from the GUI (
). Ensure that this is
properly enabled before using Biquad GUI. Otherwise, changes on the GUI do not appear on the device
output because the biquads (channel1 and channel2) are bypassed.
Figure 15. Disabling the Biquads
This section discusses the five most common configurations of the TAS5706EVM2, and how to enable the
headphone mode. For faster setup, you can load the I
2
C initialization script of each configuration from the
CD. Directions for loading initialization scripts follow this section.
Common Configurations:
Corresponding I
2
C script
1.
2
×
BTL BD
TAS5706_BD_2xBTL.ini
2.
2.1 AD (2
×
SE via OutA and OutB) + 1
×
BTL via
TAS5706_AD_2_1_2xSE_1BTL.ini
OutC and OutD)
3.
2.1 BD (2
×
BTL + 1
×
BTL via J4 and external
TAS5706_BD_2_1_BTL_TAS5601.ini
TAS5601EVM4)
4.
4
×
SE AD
TAS5706_AD_4xSE.ini
5.
4.1 AD (4
×
SE + 1
×
BTL via J4 and external
TAS5706_AD_4_1_4xSE.ini
TAS5601EVM4)
6.
Headphone mode (J4)
HP_mode.ini
7.
2.1 and Lineout AD (2xBTL + 1 Sub 1
AD_BTL_subout_Lineout.ini
Lineout)
SLOU220 – September 2008
TAS5706EVM2
15