CD22204

CD22204 is 5V Low Power Subscriber DTMF Receiver manufactured by Intersil.

CD22204 Datasheet

Part number	CD22204
Download	CD22204 Datasheet (PDF)
File Size	44.09 KB
Manufacturer	Intersil
Description	5V Low Power Subscriber DTMF Receiver

Related Intersil Datasheets

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CD22202	5V Low Power DTMF Receiver
CD22203	5V Low Power DTMF Receiver
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CD22102	CMOS 4 x 4 x 2 Crosspoint Switch with Control Memory

CD22204 Distributor

CD22204 Description

CD22204 Data Sheet February 1999 File Number 1696.4 5V Low Power Subscriber DTMF Receiver The CD22204 plete dual tone multiple frequency (DTMF) receiver detects a selectable group of 12 or 16 standard digits. No front-end pre-filtering is needed. The only externally required ponents are an inexpensive 3.579545MHz TV ‘‘colorburst’’ crystal (for frequency reference) and a bias resistor.

CD22204 Key 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
Output in 4-Bit Hexadecimal Code
Excellent Latch-Up Immunity

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