HT9172 Datasheet - Holtek Semiconductor

HT9172, DTMF Receiver

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

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HT9172_HoltekSemiconductor.pdf

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Datasheet Details

Part number:

HT9172

Manufacturer:

Holtek Semiconductor

File Size:

132.40 KB

Description:

DTMF Receiver

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

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