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19 Jul 2017, 13:23

Reference Design of Digilent Pmod AMP3

This is a reference design of Digilent Pmod AMP3 – RS Part Number (134-6461) . The Digilent Pmod AMP3 was converted into DesignSpark PCB format. Download link of the project files and the datasheet of Digilent Pmod AMP3 can be found in this article.


The Digilent Pmod AMP3 is a Pmod 2W Class-D amplifier module. It uses I2C standard to transmit audio. The digital volume and dynamic range can be change via I2C interface. It also provides a standalone mode that does not require I2C interface.

  • 2W Class-D amplifier
  • 2x 3.5mm audio jack with left and right channel separation
  • Volume and dynamic control for each channel
  • Stand-alone mode
Schematic of Digilent Pmod AMP3
PCB layout of Digilent Pmod AMP3
3D view of Digilent Pmod AMP3


BOM list of the board (key components)

RS Part Number

Manufacturer Part Number





Analog Devices

Class-D Amplifier



TE Connectivity

Ferrite Bead



RS Pro

2 Pin Header



Eastern Electronics

3.5mm Audio Jack


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19 Jul 2017, 13:23