Datasheet Summary
Ordering number: EN4431A
CMOS LSI
LC73861, LC73862 DTMF Receiver LSI
Overview
The LC73861 and LC73862 are DTMF signal detector receiver that incorporates all the necessary filters for telephone answering machines.
Package Dimensions unit : mm
3001B-DIP8
[LC73861, LC73862]
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 range . Serial datadynamic output . Microcontroller guard-time patible . 4.5 to 5.5 V operating supply voltage range
Specifications...