Datasheet > L6726_15

L6726_15

更新时间： 2024-10-01 02:59:03

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
13页	280K
描述
UNIVERSAL SPEECH CIRCUIT

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L6726_15 数据手册

UNISONIC TECHNOLOGIES CO., LTD

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.

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.

ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

L6726G-D18-T

L6726G-S18-R

L6726G-S18-T

L6726L-D18-T

DIP-18

SOP-18

Tube

Tape Reel

Tube

L6726L-S18-R

L6726L-S18-T

www.unisonic.com.tw

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QW-R108-015,C

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