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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.

amp3_480_e5c25aef3c9c32100367681307466392cb27b496.jpg

 

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
Sheet2_4807_f1e14f4e35f8fb1d2adcafdb7ee76ca431e69761.jpg
Schematic of Digilent Pmod AMP3
 
Pmod_AMP3_V1_480_3d64f477733c2223fefb76b25e90c10722d03f56.jpg
PCB layout of Digilent Pmod AMP3
 
3D_view_4807_6269f25f987f6ee137968142e894e4067ffe77ca.jpg
3D view of Digilent Pmod AMP3

 

BOM list of the board (key components)

RS Part Number

Manufacturer Part Number

Manufacturer

Description

(820-9413)

SSM2518

Analog Devices

Class-D Amplifier

(389-817)

RCU-0C

TE Connectivity

Ferrite Bead

(251-8086)

W81102T3825RC

RS Pro

2 Pin Header

/

PJ-320

Eastern Electronics

3.5mm Audio Jack

Downloads

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