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Std edition Amp-SSM2211M

Profile:Small amplifier module based on the SSM2211 IC from Analog Devices. A worthy replacement for the ubiquitous LM386. Full details including tests, schematic description, and more can be found at: https://www.protoriam.com/ssm2211m/index.html

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Published Time: 2022-03-08 18:51:30
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Description

Small amplifier module based on the SSM2211 IC from Analog Devices.
Connect power, audio, and a speaker and you are good to go.
A worthy replacement for the ubiquitous LM386.

Full details including tests, schematic description, and more can be found at: https://www.protoriam.com/ssm2211m/index.html

 

We like the SSM2211 because:
Very low background noise
Low and single supply power requirement
No output filters or decoupling needed
Liner Class-AB output
Good headroom (400mV)
Gain setting similar to Op Amp
Small, yet easy to hand solder, SO8 package.
Up to 1.5W with decent THDN
Good datasheet with examples

design drawing
schematic diagram
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