HT9172 - DTMF Receiver

Product Overview

Holtek Semiconductor

Datasheet Details

Part number	HT9172
Manufacturer	Holtek Semiconductor
File Size	132.40 KB
Description	DTMF Receiver
Datasheet	HT9172 Datasheet
Additional preview pages of the HT9172 datasheet.

Product details

Description

The HT9172 is a Dual Tone Multi Frequency (DTMF) receiver device which includes an integrated digital decoder and band split filter functions as well as power-down and inhibit mode operations.

Features

Operating voltage: 2.5V~5.5V.
Minimal external component requirements.
No external filter required.
Low standby current in power down mode).
Excellent performance HT9172 DTMF Receiver.
Tristate data output for MCU interface.
3.58MHz crystal or ceramic resonator oscillator.
1633Hz can be inhibited by the INH pin.
18-pin DIP/SOP packaging General.

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Published: Oct 20, 2006 |