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2.2
References
Left
Right
External
Shutdown
Control
(Active Low)
Power
Supply
Audio
Input
Left
Audio
Input
Right
Operation
4) Connect the right (left) positive lead from the audio source to the module RIN+ (LIN+) pin and the
negative lead to the RIN- (LIN-) pin.
5) Connect the SHDN pin to a voltage source for external control. Otherwise, SHDN will be
controlled by the normally open switch, S1, on the EVM.
6) Connect a 3-
Ω
to 32-
Ω
speaker to the module LOUT+ and LOUT- pins, and an identical speaker
to the module ROUT+ and ROUT- pins.
•
Power Up
7) Verify that voltage and input polarity are correct, and set the external power supply to on.
The EVM begins operation.
8) Adjust the signal source level as needed.
2.2.1
TPA6020A2 EVM Connected for Stereo BTL Output
Figure 3. TPA6020A2 EVM Connected for Stereo BTL Output
TPA6020A2 Audio Power Amplifier Evaluation Module
4
SLOU175A – June 2005 – Revised August 2005
