CD22203 receiver equivalent, 5v low power dtmf receiver.
* Central Office Quality
* No Front End Band Splitting Filters Required
* Single, Low Tolerance, 5V Supply
* Detects Either 12 or 16 Standard DTMF Digits <.
and is not normally used in telephone dialing.
HEX/B28 This pin selects the format of the digital output code. When HEX.
The CD22202 and CD22203 complete dual-tone multiple frequency (DTMF) receivers detect a selectable group of 12 or 16 standard digits. No front-end pre-filtering is needed. The only externally required components are an inexpensive 3.579545MHz TV “colo.
Image gallery
TAGS
Download (Size : 49.63KB)