Datasheet > LAG639

LAG639

更新时间： 2024-10-18 22:31:35

品牌	Logo	应用领域
三美电机 - MITSUMI		/
页数	文件大小	规格书
8页	257K
描述
Monolithic IC

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LAG639 数据手册

IC for Multifunction Telephones LAG639

MITSUMI

IC for Multifunction Telephones

Monolithic IC LAG639

Outline

This IC was developed for use in home-use telephone and small-scale telephone systems, and incorporates

data transmission functions (AMI).

Features

1. Incorporates efficient switching regulator with broad input voltage range

V^OUT

V^IN

5V±±.ꢀ5

15~45V

ꢀ5±mA (13~45V)

ꢀ. Internal data transmission/reception circuits

Data can be superposed on the power supply line for transmission.

AMI format is used for transmission route coding.

3. Internal system reset circuit

5V line abnormal voltage detection circuit

Watchdog timer reset circuit

4. Internal speaker amp

ꢀ6± mW typ. at 8Ω load

Mute pin

5. Internal beep sound generator circuit

With pin to vary audio volume (also used to turn beep sound on and off)

Package

SDIP-3±A (LAG639D)

(Ta=25 C)

Absolute Maximum Ratings

Item

Symbol

T^OPR

Ratings

20~+70

Units

Operating temperature

Storage tempereture

Power supply voltage

Allowable loss

T^STG

-40~+125

V^CCmax.

750

12 3 4 5 6 7 8

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