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75T2090 Datasheet - TDK

DTMF Transceivers

75T2090 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

75T2090 General Description

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 .

75T2090 Datasheet (75.59 KB)

Preview of 75T2090 PDF

Datasheet Details

Part number:

75T2090

Manufacturer:

TDK

File Size:

75.59 KB

Description:

Dtmf transceivers.

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75T2090 DTMF Transceivers TDK

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