CD22202 5V Low Power DTMF Receiver

Intersil Corporation

Description

November 2002 UC T NT P RO D E T E CEME L OBSO DED REPLA enter at EN rt C /tsc COMM S uppo NO RE r Technical .intersil.com u ww to contac TERSIL or w.
The CD22202 and CD22203 complete dual-tone multiple frequency (DTMF) receivers detect a selectable group of 12 or 16 standard digits.

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Datasheet Specifications

Part number: CD22202
Manufacturer: Intersil Corporation
File Size: 120.06 KB
Datasheet: CD22202_IntersilCorporation.pdf
Description: 5V Low Power DTMF Receiver

Features

* Central Office Quality
* No Front End Band Splitting Filters Required
* Single, Low Tolerance, 5V Supply
* Detects Either 12 or 16 Standard DTMF Digits
* Uses Inexpensive 3.579545MHz Crystal for Reference
* Excellent Speech Immunity
* Output

Applications

* and is not normally used in telephone dialing. IN1633 When tied high, this pin inhibits detection of tone pairs containing the 1633Hz component. For detection of all 16 standard digits, IN1633 must be tied low. N/C Pin HEXADECIMAL DIGIT 1 2 3 4 5 6 7 8 9 0
* # A B C D D8 0 0 0 0 0 0 0 1 1 1 1

CD22202 Distributors

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CD22202 Low Power DTMF Receiver Intersil Corporation

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