Datasheet > L3913

L3913

更新时间： 2024-11-24 23:43:43

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
14页	202K
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数据手册

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L3913 数据手册

L3913

MONOCHIP TELEPHONE

ADVANCE DATA

ADJUSTABLE SLOPE OF DC CHARAC-

TERISTIC

ADJUSTABLE AUTOMATIC LINE LENGHT

RECEIVING AND SENDING GAIN CONTROL

(NOT USED IN DTMF), WITH POSSIBILITY

OF FIXED GAIN (PABX).

ADJUSTABLE AUTOMATIC LINE LENGHT

TRACKING ANTISIDETONE SYSTEM

ADJUSTABLE DYNAMIC IMPEDANCE

PLCC-44

STABILIZED POWER SUPPLY FOR PERIPH-

ERALS

PIN CONNECTION (top view)

CONFIDENCE LEVEL DURING PULSE AND

DTMF DIALLING

RECEIVING AMPLIFIER FOR DYNAMIC OR

PIEZO-ELECTRIC EARPIECES

HIGH IMPEDANCE MICROPHONE INPUTS

(80KΩ MIN. IN SYMMETRICAL AND 40KΩ

MIN. IN ASYMMETRICAL) SUITABLE FOR

DYNAMIC, MAGNETIC, PIEZO-ELECTRIC

OR ELECTRET MICROPHONE

DYNAMIC LIMITING IN SENDING (ANTICLIP-

PING) PREVENTS DISTORTION OF LINE

SIGNAL AND SIDETONE

ANTISQUELCH SYSTEM IN SENDING PRE-

VENTS ”ROOM NOISE” TO BE TRANSMIT-

TED, AND IMPROVES THE ANTI-LARSEN

EFFICIENCY

IEA

BEAT

PAIR

VIR

RAM

OUT2

OUT1

ZALL

REC

ZALC

VEA

HP2

GND

HP1

D93TL022

LOUDHEARING PROGRAMMABLE GAIN IN

8 STEPS OF 3 dB USING THE SERIAL BUS,

OR LINEARLY USING A POTENTIOMETER

ANTILARSEN SYSTEM WHICH DOESN’T

CUT THE RECEIVING VOICE

ANTIDISTORTION SYSTEM BY AUTOMATIC

GAIN CONTROL VERSUS AVAILABLE

LOUDHEARING CURRENT

INTERDIGITAL PAUSE

CONFIDENCE TONE (440Hz)

LAST NUMBER RADIAL UP TO 23 DIGITS

STANDARD LOW COST CERAMIC 455KHz

BINARY DATA INPUT IN SERIAL MODE

TEST MODE CAPABILITY

RINGING BALANCED OUTPUT IN DMOS

FOR HIGHER POWER CAPABILITY

4 RINGING TONES ADJUSTABLE WITHOUT

EXTERNAL COMPONENTS

INTERNAL SPEED UP CIRCUIT PERMITS A

FASTER CHARGE OF V_CCAND V_RAMCA-

PACITORS

DESCRIPTION

The L3913 monochip is a BIPOLAR CMOS-

DMOS (BCD) integrated circuit that performs all

the speech and line interface functions required in

an electronic telephone set, the ringing function

with 4 melodies, the pulse and DTMF dialling with

redial, the loudhearingwith antilarsen and antidis-

tortion systems, a keyboard interface with the

possilbility to interface with an external microcon-

troller using the internal serial bus, and a power

supply for peripheral.

LOGIC BOUNCE ELIMINATION

PULSE DIALLING 66/33 OR 60/40 OR DTMF DI-

ALLING SELECTABLE BY PROGRAMMING PIN

ADJUSTABLE FLASHING DURATION (90ms

or 265ms)

September 1993

1/14

This is advanced informationon a new product now in development or undergoing evaluation. Details are subject to change without notice.

12 3 4 5 6 7...14

中文翻译

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与L3913相关器件

型号	品牌	获取价格	描述	数据表
L3914A	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION
L3914AD	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION
L3914AN	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION
L3916A	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH LED DRIVER
L3916A_1	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH LED DRIVER
L3916AD	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH LED DRIVER
L3916AN	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH LED DRIVER
L392	ETC	获取价格	THYRISTOR MODULE\|SCR\|DUAL\|INDEPENDENT\|240V V(RRM)\|15A I(T)
L-392	RHOMBUS-IND	获取价格	Dual Inductor
L3924A	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

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