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HT9170B

DTMF Receiver

HT9170B Features

* Operating voltage: 2.5V~5.5V

* Minimal external components

* No external filter is required

* Low standby current (on power down mode)

* Excellent performance

* Tristate data output for MCU interface

* 3.58MHz crystal or ceramic resonator

* 1633Hz can be inhibited b

HT9170B General Description

The HT9170B/D are Dual Tone Multi Frequency (DTMF) receivers integrated with digital decoder and bandsplit filter functions as well as power-down mode and inhibit mode operations. Such devices use digital counting techniques to detect and decode all the 16 DTMF tone pairs into a 4-bit code output. H.

HT9170B Datasheet (133.21 KB)

Preview of HT9170B PDF

Datasheet Details

Part number:

HT9170B

Manufacturer:

Holtek Semiconductor Inc

File Size:

133.21 KB

Description:

Dtmf receiver.

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TAGS

HT9170B DTMF Receiver Holtek Semiconductor Inc

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