HT9172 Datasheet - Holtek Semiconductor

HT9172 DTMF Receiver

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. The device uses digital counting techniques to detect and decode the full range of 16 DTMF tone pairs into .

HT9172 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 o

HT9172 Datasheet (132.40 KB)

HT9172 Datasheet Preview — Preview of HT9172 PDF

Datasheet Details

Part number:

HT9172

Manufacturer:

Holtek Semiconductor

File Size:

132.40 KB

Description:

Dtmf receiver.

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HT9172 DTMF Receiver Holtek Semiconductor

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