Datasheet > UTCL6726

UTCL6726

更新时间： 2024-09-17 03:56:35

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
12页	186K
描述
UNIVERSAL SPEECH CIRCUIT

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UTCL6726 数据手册

UTC L6726

LINEAR INTEGRATED CIRCUIT

UNIVERSAL SPEECH CIRCUIT

DESCRIPTION

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. Different regulation for various

current feeds can be set by external resistors. Typical

current feeds as 48V,2 · 200Ω, 48V,2 · 400Ω,and

36V,2·500Ω, can be handled. Application dependent

parameters such as line balance, side tone level,

amplification and frequency response are set by external

components. Parameters are set independently which

means easy adaptation for various market needs.

DIP-18

The UTC L6726 is developed for using with

CMOS-type dialer ICs.

A separate DTMF input is

switched when the circuit is muted, and an adjustable DC

supply is provided for feeding an external CMOS device.

FEATURES

*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-input controlled by mute.

UTC UNISONIC TECHNOLOGIES CO., LTD.

QW-R108-015,A

12 3 4 5 6 7...12

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