Texas Instruments TAS5721 Evaluation Module TAS5721EVM TAS5721EVM Datenbogen
Produktcode
TAS5721EVM
Installation
2.1.3.2
SE Mode (2.1)
When connecting speakers in single-ended mode, connect one speaker across the connector labeled SE-
A and the other speaker to the connector labeled SE-B. To run in 2.1 mode, also connect a BTL speaker
across the RIGHT connector (outputs C and D).
A and the other speaker to the connector labeled SE-B. To run in 2.1 mode, also connect a BTL speaker
across the RIGHT connector (outputs C and D).
Figure 3. SE/2.1 Mode Configuration
2.1.3.3
PBTL Mode
When connecting speakers in a PBTL configuration, short OUT_A and OUT_B after the filter (so short the
two pins of the connector labeled LEFT. Also short OUT_C and OUT_D after the filter (short the two pins
of the connector labeled RIGHT. Connect one end of the speaker to OUT_A/OUT_B and the other end of
the speaker to OUT_C/OUT_D
two pins of the connector labeled LEFT. Also short OUT_C and OUT_D after the filter (short the two pins
of the connector labeled RIGHT. Connect one end of the speaker to OUT_A/OUT_B and the other end of
the speaker to OUT_C/OUT_D
Figure 4. PBTL Configuration
2.1.4
Headphone/Line-Driver
The TAS5721 has a stereo output which can be used as a headphone amplifier or line driver that can
output 2-V
output 2-V
RMS
. The headphone amplifier/line-driver on the EVM is configured for unity gain, adjusted by
modifying R1, R2, R4, and R5.
Gain = R2/R1 = R5/R4
5
SLOU346 – July 2012
TAS5721-TAS5723EVM Evaluation Module
Copyright © 2012, Texas Instruments Incorporated