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Chip Amps Amplifiers based on integrated circuits

USB powered chipamp
USB powered chipamp
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Old 27th March 2012, 11:13 AM   #1
jaste is offline jaste  Sweden
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Default USB powered chipamp


A friend of mine are looking for a simple 5v single supply amplifier to be driven by an USB output. Stereo operation. Any advice?
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Old 27th March 2012, 12:40 PM   #2
sofaspud is offline sofaspud  United States
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Your best bet is probably a pair of LM386, or a single TEA2025B, or something very similar.
It is error only, and not truth, that shrinks from enquiry. - Thomas Paine
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Old 27th March 2012, 09:08 PM   #3
Bone is offline Bone  United Kingdom
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You can use on of these from a USB outlet: eBay - The UK's Online Marketplace
Only needs 5v but you will only get about 3w.
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Old 27th March 2012, 09:21 PM   #4
sreten is offline sreten  United Kingdom
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What for ? Buy it as part of a pair of USB
powered speakers is likely your best bet.

rgds, sreten.
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Old 27th March 2012, 09:33 PM   #5
Frank Berry is offline Frank Berry  United States
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I don't believe that a USB port can provide enough current for this amplifier chip.
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