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BU8872FS DTMF receiver for telephones

BU8872FS Description

Communication ICs DTMF receiver for telephones BU8872 / BU8872FS The BU8872 and BU8872FS are DTMF receiver ICs developed for use in telephone answeri.
BU8872 / BU8872FS FInput / output circuits 195 Communication ICs FCircuit operation A DTMF signal is supplied to the INPUT pin and applied to a p.

BU8872FS Features

* 1) Dynamic range of 45dB. (internal AGC) 2) 4-bit binary serial data output. 3) Guard time can be controlled through host microcomputer. 4) Input pins equipped with hysteresis. (ACK pin) FBlock diagram 5) 4.19MHz ceramic resonator or crystal resonator can be used. 6) 8-pin DIP package. (BU8872) 16-

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Datasheet Details

Part number
BU8872FS
Manufacturer
ROHM ↗
File Size
169.76 KB
Datasheet
BU8872FS_Rohm.pdf
Description
DTMF receiver for telephones

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DTMF receiver for telephones Rohm
Rohm BU8872FS-like datasheet