1pcs Power Amplifier Module, Class D Digital 5W Mono Audio Module 5128

Product Description of Class D Digital Power Amplifier Module

1. Product Parameters

- Name: Class D Digital Power Amplifier Module

- Operating Voltage: 2.5 - 5.5VDC

- Operating Current: Above 1A

- Output Power: 3 - 5W

- Load Parameters: Impedance 4 - 8/6/8Ω, suitable for 3 - 5W speakers

- Signal - to - Noise Ratio: 85dB@VDD = 5V,Vorms = 1V

- Dimensions: 15127.3mm

- Weight: Approximately 0.5g

2. Precautions

- The power supply voltage should be controlled within 2.5 - 5.5V; exceeding 5.5V will burn out the chip

- The power supply current is recommended to be above 1A; below 1A will result in low volume

- The positive and negative poles of the power supply must not be reversed; reverse connection will burn out the chip

- It is recommended to use with a 4 - ohm 3W speaker

- The module is equipped with a mute switch, high level for mute, low level for playback (default low level playback)

- Suitable for amplifying 0.5V - 1V audio signals; if the signal is too small, a pre - amplifier needs to be connected

- Only single - power - supply operation is supported; negative power supply cannot be connected