L6726 Datasheet Universal Speech Circuit

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD L6726 LINEAR INTEGRATED CIRCUIT UNIVERSAL SPEECH CIRCUIT.

Datasheet Details

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.

Brand Logo	Part Number	Description	Manufacturer
	L6726A	Single phase PWM controller	STMicroelectronics

Part Number	Description