NTE1690 - Integrated Circuit Telephone DTMF Dialer

Product Overview

NTE

NTE1690 Integrated Circuit Telephone DTMF Dialer by NTE - Datasheet Preview — Datasheet preview – NTE1690

Datasheet Details

Part number	NTE1690
Manufacturer	NTE
File Size	31.70 KB
Description	Integrated Circuit Telephone DTMF Dialer
Datasheet	NTE1690 Datasheet
Additional preview pages of the NTE1690 datasheet.

Product details

Description

The NTE1690 is a low threshold voltage, field implanted, metal gate CMOS integrated circuit in a 16 Lead DIP type package. frequency pairs required in tone dialing systems. chip reference oscillator using an inexpensive 3.579545MHz crystal for high tone accuracy.

Features

D 3V to 10V Operation When Generating Tones D 2V Operation of Keyscan and MUTE Logic D Static Sensing of Key Closures or Logic Inputs D On.
Chip 3.579545MHz Crystal.
Controlled Oscillator D Output Amplitudes Proportional to Supply Voltage D High Group Pre.
Emphasis D Low Harmonic Distortion D Open Emitter.
Follower Low.
Impedance Output D SINGLE TONE.

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Published: May 9, 2005 |