Overview
The LC73861 and LC73862 are DTMF signal detector receiver that incorporates all the necessary filters for telephone answering machines.
Features
⢠16-DTMF tone signal decoder
⢠DTMF receiver with all necessary filters built-in
⢠Dial tone filter
⢠High-group bandpass filter
⢠Low-group bandpass filter
⢠Extended dynamic range
⢠Serial data output
⢠Microcontroller guard-time compatible
⢠4.5 to 5.5 V operating supply voltage range
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