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CD22203 - 5V Low Power DTMF Receiver

Intersil Corporation

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Datasheet Details

Part number	CD22203
Manufacturer	Intersil Corporation
File Size	49.63 KB
Description	5V Low Power DTMF Receiver
Datasheet	CD22203_IntersilCorporation.pdf

CD22203 Product details

Description

The CD22202 and CD22203 complete dual-tone multiple frequency (DTMF) receivers detect a selectable group of 12 or 16 standard digits.

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 in Either 4-Bit Hexadecimal Code or Binary Coded 2-of-8.
Synchronous or Handshake Interface.
Three-State Outputs.
Excellent Latch-Up Immunity Ordering Information PART NUMBE.

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Published: Mar 23, 2005 |