BU8871F - DTMF receiver for telephones

Product Overview

Rohm

Datasheet Details

Part number	BU8871F
Manufacturer	ROHM
File Size	218.63 KB
Description	DTMF receiver for telephones
Datasheet	BU8871F Datasheet
Additional preview pages of the BU8871F datasheet.

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 |