The mini audio stereo amplifier has two modes: sleeping and working modes. When pin “SW” is Low (0V), the amplifier’s bias circuit will be closed, then the module goes into sleep mode, while when pin “SW” is High (5V), the working mode enables. The audio stereo amplifier is in working mode by default (the pin is unconnected).
This Mini Audio Stereo Amplifier can be used in robot voice systems, DIY music boxes, sound modifications. Note:
1. The positive and negative poles are not allowed to be connected reversely.
2. The negative poles for the high and low channels are independent, do not connect them together.
3. The power supply should be no less than 5.5V, too high voltage will damage the IC.
Project: Every Photo Tells A Great Story | DIY Audio Photo Album
- Power Input: DC 3.6-5V
- Power: 3W
- Efficiency: >90%
- Dimension: 24.5x15.5x3 mm/0.96 x0.61 x0.12”
- Pin Pitch: 2mm
- Weight: 2g
3W Mini Audio Stereo Amplifier x1
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