List Price: US$6.32
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100% of customers would recommend this product to a friend (1 out of 1)
Involvement Level: Expert (understands the inner workings)
*Easy to use (basically no extra components needed)
*Dedicated pin for "on"-mode
*Seems to have saftey circuits against faulty wiring. Mine seemed burned a few times (while experimenting) but got reset after reboot.
Cons: *Locked gain (adjustable with the bigger models.. can easily be adjusted with a potentiometer in the input though)
*Two pads were hard to presolder. Didn't affect the result though when I soldered it to the board.
*High switching speed! Measured it to approx 800kHz!
*Output - on channel 1 and 2 cant be connected together! Channel one stops to work, but is fully functional again after reboot. I planned to use this chip as a headphone amplifier for old 8ohm-headphones, but that is not possible with this limitation.
Other: If you're building a small battery powered speaker for you cellphone/mp3-player then this one is for you! You cant get much cheaper and power efficient!
But remember, its not possible to use as a headphone amplifier since channel one dies when connecting- of both channels together.
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