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Partname:MAX7347AEE
Description:2-Wire Interfaced Low-EMI Key Switch and Sounder Controllers
Manufacturer:Maxim Integrated Products
Datasheet:PDF (355K).
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The sounder frequencies cover the 5th musical octave (523.25Hz to 987.77Hz), plus seven other musical notes up to 2637Hz. The output can also be programmed to be high or low for the sound duration to operate an electronic sounder, relay, or lamp. The MAX7347 is offered in 16-pin QSOP and TQFN packages. The MAX7348 is offered in a 20-pin QSOP package. The MAX7349 is available in 24-pin QSOP and TQFN packages. The MAX7347/MAX7348/MAX7349 operate over the -40C to +125C temperature range.

Click here to download MAX7347AEE Datasheet
Click here to download MAX7347AEE Datasheet
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