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CD22204 - 5V Low Power Subscriber DTMF Receiver

CD22204 Description

CD22204 Data Sheet February 1999 File Number 1696.4 5V Low Power Subscriber DTMF Receiver The CD22204 complete dual tone multiple frequency (DTMF) re.
only.

CD22204 Features

* No Front End Band Splitting Filters Required
* Single Low Tolerance 5V Supply
* Three-State Outputs for Microprocessor Based Systems
* Detects all 16 Standard DTMF Digits
* Uses Inexpensive 3.579545MHz Crystal
* Excellent Speech Immunity
* Ou

CD22204 Applications

* and is not normally used in telephone dialing. UP TO 10 DEVICES Digital Inputs and Outputs All digital inputs and outputs of the DTMF receivers are represented by the schematic below. Only the “analog in” pin is different, and is described above. Care must be exercised not to exceed the voltage or

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Datasheet Details

Part number
CD22204
Manufacturer
Intersil Corporation
File Size
44.09 KB
Datasheet
CD22204_IntersilCorporation.pdf
Description
5V Low Power Subscriber DTMF Receiver

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Low Power Subscriber DTMF Receiver Intersil Corporation
Intersil Corporation CD22204-like datasheet