PAM8302A Audio Amplifier

Sale price$3.50


Small mono amp is surprisingly powerful for its size, and efficient - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. 

Features a volume trim pot so you can set/adjust the amount of amplification on the board.  This is a generic board.  There are 6 connections:

  • Positive and negative speaker in
  • Positive and negative speaker out
  • Positive voltage connection.  You will need to probe for a switched voltage source (only on when power switch on).
  • Negative connection
  • Note: the hole labeled "SD" is not used.
* Output Power: 2.5W at 4Ω, 10% THD, 1.5W at 8Ω, 10% THD, with 5.5V Supply
* 50dB PSRR at 1KHz
* Filterless design, with ferrite bead + capacitors on output.
* Fixed 24dB gain, onboard trim potentiometer for adjusting input volume.
* Thermal and short-circuit/over-current protection
* Low current draw: 4mA quiescent and 1uA in shutdown mode

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