L6726 - UNIVERSAL SPEECH CIRCUIT

Product Overview

Unisonic Technologies

Part number	L6726
Manufacturer	Unisonic Technologies
File Size	326.81 KB
Description	UNIVERSAL SPEECH CIRCUIT
Datasheet	L6726 Datasheet
Additional preview pages of the L6726 datasheet.

The UTC L6726 is a mask-programmable, monolithic integrated speech circuits for using in electronic telephones.

It is designed for using with a low impedance microphone.

Transmitting and receiving gain are regulated with line length.

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Minimum number of inexpensive external components, 5 capacitors and 11 resistors.
Mute function for operation with DTMF-generator.
Transmit and receive gain regulation for automatic loop loss compensation.
Extended current and voltage range 5~130mA, down to 2V.
Differential microphone input for good balance to ground.
Balanced receiver output stage.
Short start-up time.
Stabilized DC-supply for low current CMOS dialers and/or electret microphones.
DTMF-i.

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Published: May 1, 2011 |