BU8871F - DTMF receiver for telephones

Rohm

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Datasheet Details

Part number	BU8871F
Manufacturer	ROHM
File Size	218.63 KB
Description	DTMF receiver for telephones
Datasheet	BU8871F_Rohm.pdf

BU8871F Product details

Description

181 Communication ICs FInput / output circuits BU8871F 182 Communication ICs FElectrical characteristics DC characteristics (unless otherwise noted, Ta=25_C, VDD=5.0V) BU8871F AC characteristics (unless otherwise noted, Ta=25_C, VDD=5.0V) 183 Communication ICs FMeasurement circuits BU8871F 184 Communication ICs FCircuit operation (1) An overview of operation A DTMF signal is supplied to the INPUT pin and applied to a pair of 6th-order bandpass filters, which separate the DTMF signal

Features

a wide dynamic range, eliminating the need for an external input amplifier. Expertise from a number of companies has been incorporated into these products to enable guard time control through a host microcomputer. F.

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Published: Apr 17, 2005 |