PAM8403 Mini Audio Amplifier Board with Volume Control

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PAM 8403 Mini 5V Audio Amplifier Board with Switch Potentiometer

PAM8403 is an Amplifier Board that can be powered using simple 5V input and could drive two 3W + 3W stereo speakers. It is an excellent choice for, who wants a Class-D stereo audio amplifier in a small board space. This Amplifier allows the user to achieve high-quality audio reproduction from a stereo input. Additionally, it has a special feature that is, it can drive speakers directly from its output.

This module of PAM series is different from basic PAM8403 Amplifier board as it gives us more control over the output generated by IC itself. By control we mean to say that this amplifier module board comes with a knob which help in controlling the output generated

Pin Description of PAM8403 Amplifier Board 

Pin Name Description
L Audio Jack (TRS-Tip) Left Channel Input
Gnd Audio Jack (TRS-Sleeve) Ground Channel Input
R Audio Jack (TRS-Ring) Right Channel Input
5v(+) 5v DC Power VDD
5v(-) 5v DC Power GND
L(+) Left Channel Positive Output
L(-) Left Channel Negative Output
R(+) Right Channel Positive Output
R(-) Right Channel Negative Output

 

Feature & Technical Specification:

  • Operating Voltage: Wide power supply ranges from 2.5V to 5.5V DC
  • Comes with a knob which can control the loudness of the sound.
  • Dual-channel stereo with high output power (3W+3W Output at 10% THD with a 4Ω Load @5v DC)
  • Max Gain 24 dB.
  • Filterless architecture
  • Low Quiescent Current and Low EMI
  • Operating Temperature: -40 to +85°C
  • Short Circuit Protection
  • Thermal Shutdown
  • Superior Low Noise
  • Efficiency up to 90%
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