Datasheet Details
Part number:
75T2091, 75T2089
Manufacturer:
TDK
File Size:
75.59 KB
Description:
Dtmf transceivers.
Note:
This datasheet PDF includes multiple part numbers: 75T2091, 75T2089.
Please refer to the document for exact specifications by model.
75T2091, 75T2089, DTMF Transceivers
TDK Semiconductor’s 75T2089/2090/2091 are complete Dual-Tone Multifrequency (DTMF) Transceivers that can both generate and detect all 16 DTMF tone-pairs.
These ICs integrate the performance-proven 75T202 DTMF receiver with a DTMF generator circuit.
The DTMF receiver electrical characteristics are
75T2091 Features
* April 2000
* DTMF Generator and Receiver on one-chip
* Call progress detection (2090/2091 only)
* Early detect output (2091 only)
* DTMF Receiver exhibits excellent speech immunity
* Analog input range
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