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Operation
NOTE: Due to the very small size of the DRB IC package, the standard part number TPA6205A1 is replaced with
the code AAOI.
Figure 3. Quick Start Module Map
Power Supply Setup
1. Ensure that all external power sources are set to off.
2. Connect an external regulated power supply set to 5 V to the module V
DD
and GND pins, taking
care to observe marked polarity.
Setting the Inputs and Outputs
3. Ensure that the signal source level is set to minimum.
4. Connect the positive lead from the audio source to module IN+ pin, negative lead to the IN– pin.
5. Connect the SHUTDOWN pin through a normally open switch to GND.
6. Connect an 8
Ω
–32
Ω
speaker to the module OUT+ and OUT– pins.
Power-Up Procedure
7. Verify correct voltage, input polarity; set external power supply to on. The EVM begins operation.
8. Adjust the signal source level as needed.
SLOU182 – MAY 2006
TPA6205A1DRB Audio Power Amplifier EVM
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