Datasheet > KK3726AN

KK3726AN

更新时间： 2024-11-21 03:48:07

品牌	Logo	应用领域
可天士 - KODENSHI		/
页数	文件大小	规格书
4页	306K
描述
Universal Speech Circuit with Dialler Interface

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KK3726AN 数据手册

TECHNICAL DATA

KK3726AN

Universal Speech Circuit

with Dialler Interface

The KK3726AN is a low voltage speech network which includes Mic amp. transmit

amp, receive amp. and stabilized DC-supply It handles the voice signal performing

the 2/4 wire interface and changing the gain on both sending and receiving

amplifiers to compensate for line attenuation by sensing thelinelengththrough the

linecurrent.

Application dependent parameters such as amplitude of each amp, sidetone level,

line balance and frequency response are controlled by external components. Each

gain can be controlled by external component exchange.

ORDERING INFORMATION

KK3726AN

T_A= -40° to 70° C

•

Uses a minimum of external components (7 Capacitors & 11 Resistors)

Low Voltage Operating

Symmetrical inputs for microphones, provided good balance to ground

DTMF signal input with confidence tone

Mute input for DTMF dialling

Line loss compensation (line current dependent) for microphone and earpiece amplifiers

Gain control curve adaptable to exchange supply

DC line voltage adjustment facility

BLOCK DIAGRAM

ꢀ

12 3 4

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