L3914AD

更新时间： 2024-01-14 03:37:39

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电信集成电路电信电路电话电路光电二极管
页数	文件大小	规格书
15页	189K
描述
SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

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中文翻译

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技术参数
数据手册

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L3914AD 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	SOP, SOP28,.4
针数：	28	Reach Compliance Code：	not_compliant
HTS代码：	8542.39.00.01	风险等级：	5.91
JESD-30 代码：	R-PDSO-G28	JESD-609代码：	e0
长度：	17.9 mm	破损率：	1:1.5
功能数量：	1	端子数量：	28
最高工作温度：	75 °C	最低工作温度：	-25 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装等效代码：	SOP28,.4	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	电源：	3 V
认证状态：	Not Qualified	座面最大高度：	2.65 mm
子类别：	Other Telecom ICs	标称供电电压：	3 V
表面贴装：	YES	技术：	BIPOLAR
电信集成电路类型：	TELEPHONE MULTIFUNCTION CIRCUIT	温度等级：	COMMERCIAL EXTENDED
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
宽度：	7.5 mm	Base Number Matches：	1

L3914AD 数据手册

L3914A

L3924A - L3934A

SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

ADVANCE DATA

SPEECH CIRCUIT

2 TO 4 WIRES CONVERSION

PRESENT THE PROPER DC PATH FOR THE

LINE CURRENT AND THE FLEXIBILITY TO

ADJUST IT AND ALLOW PARALLEL PHONE

OPERATION

PROVIDES SUPPLY WITH LIMITED CUR-

RENT FOR EXTERNAL CIRCUITRY

SYMMETRICAL HIGH IMPEDANCE MICRO-

PHONE INPUTS SUITABLE FOR DYNAMIC

DIP28

SO28

ORDERING NUMBERS:

L3914AN

L3924AN

L3934AN

L3914AD

L3924AD

L3934AD

ELECTRET

PIEZOELECTRIC

TRANSDUCER

ASYMMETRICAL

SUITABLE FOR DYNAMIC TRANSDUCER

LINE LOSS COMPENSATION

EARPHONE OUTPUT

PIN CONNECTION (Topview)

INTERNAL MUTING TO DISABLE SPEECH

DURING DIALING

HOLD FUNCTION FOR PARALLEL PHONE

WITH 400ms DELAY TO PREVENT FALSE

RELEASE

DIALER CIRCUIT

32 DIGITS FOR LAST NUMBER REDIAL

BUFFER

18 DIGITS FOR 13 MEMORY REDIAL

ALLOW MIXED MODE DIALING IN EITHER

TONE OR PULSE MODE

PACIFIER TONE PROVIDES AUDIBLE INDI-

CATION OF VALID KEY PRESSED IN A

BUZZER OR/AND IN THE EARPHONE

TIMED PABX PAUSE

KEYPAD CONFIGURATION

FLASH INITIATES TIMED BREAK:

MASK OPTIONS WITH 585ms,300ms,100ms

CONTINUOUS TONE FOR EACH DIGIT UN-

TIL KEY RELEASE

USES INEXPENSIVE 3.579545MHz CE-

RAMIC RESONATOR

POWERED FROM TELEPHONE LINE, LOW

OPERATING VOLTAGE FOR LONG LOOP

APPLICATION

DESCRIPTION

The device consists of the speech and the dialer.

It provides the DC line interface circuit that termi-

nates the telephone line, analog amplifier for

speech transmission and necessary signals for

either DTMF or loop disconnect (pulse) dialing.

Note: PAUSE/LND:

PAUSE and LND functions are sharing the same key with different

sequence. Hereafter, PAUSEand LND keys arereferring tothesame

key.

January 1995

1/15

This isadvanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

12 3 4 5 6 7...15

中文翻译

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与L3914AD相关器件

型号	品牌	获取价格	描述	数据表
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
L3924AD	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION
L3924AN	STMICROELECTRONICS	获取价格	SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

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