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Using the TPA102 MSOP EVM Stand-Alone
3-11
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3.4 Using the TPA102 MSOP EVM Stand-Alone
Using the TPA102 MSOP audio power amplifier evaluation module
stand-alone is much the same as using it with the platform. The same 2.5-V
to 5.5-V power supply requirement exists.
Note that the shutdown signal applied to the EVM SD pin must be able to
supply enough current to overcome the pulldown resistor on the module
(20 kΩ).
3.4.1 TPA102 MSOP EVM Connected as a Stereo Headphone Amplifier
Figure 3–8. TPA102 MSOP EVM Connected as a Stereo Headphone Amplifier
33 µF –
1000 µF
+
+
33 µF –
1000 µF
5 VDC
Audio
Input
(Right)
Audio
Input
(Left)
Shutdown
NO
GND
Vo2
C3
IN2
GND
VDD GND
IN1
GND
U1
†
R1
R2
C2
R5
S1
Shutdown
C4
Vo1
GND
C7
C1
TEXAS
INSTRUMENTS
SLOP125
TPA102 MSOP EVM
C5
R4
R3
†
Due to the very small size of the MSOP IC package, the standard part number TPA102 is replaced with the code TIAAC