位置:L3916A > L3916A详情

L3916A中文资料

厂家型号

L3916A

文件大小

124.66Kbytes

页面数量

14

功能描述

SPEECH AND 14 MEMORY DIALER WITH LED DRIVER

数据手册

下载地址一下载地址二到原厂下载

生产厂商

STMICROELECTRONICS

L3916A数据手册规格书PDF详情

DESCRIPTION

The device consists of the speech and the dialer. It provides the DC line interface circuit that terminates the telephone line, analog amplifier for speech transmission and necessary signals for either DTMF or loop disconnect (pulse) dialing.

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 CURRENT FOR EXTERNAL CIRCUITRY

■ SYMMETRICAL HIGH IMPEDANCE MICROPHONE INPUTS SUITABLE FOR DYNAMIC ELECTRET OR PIEZOELECTRIC TRANSDUCER

■ ASYMMETRICAL EARPHONE OUTPUT SUITABLE FOR DYNAMIC TRANSDUCER

■ LINE LOSS COMPENSATION

■ INTERNAL MUTING TO DISABLE SPEECH DURING DIALING

■ LIGHTED DIAL LED CONSUMING 25 OF LINE CURRENT

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 INDICATION OF VALID KEY PRESSED IN A BUZZER OR/AND IN THE EARPHONE

■ TIMED PABX PAUSE

■ FLASH INITIATES TIMED BREAK: MASK OPTIONS WITH 585ms,300ms,100ms.

■ CONTINUOUS TONE FOR EACH DIGIT UNTIL KEY RELEASE

■ USES INEXPENSIVE 3.579545MHz CERAMIC RESONATOR

■ POWERED FROM TELEPHONE LINE, LOW OPERATING VOLTAGE FOR LONG LOOP APPLICATION

L3916A产品属性

  • 类型

    描述

  • 型号

    L3916A

  • 制造商

    STMICROELECTRONICS

  • 制造商全称

    STMicroelectronics

  • 功能描述

    SPEECH AND 14 MEMORY DIALER WITH LED DRIVER

更新时间:2025-10-19 11:04:00
供应商 型号 品牌 批号 封装 库存 备注 价格
ST/意法
24+
SOP-28
179
只做原厂渠道 可追溯货源
ST
06+
?SOP-28
1000
全新原装 绝对有货
ST
25+
SO-28
3200
绝对原装自家现货!真实库存!欢迎来电!
ST
10+
SOP-28
7800
全新原装正品,现货销售
24+
DIP-28
10
ST
23+
SO-28
7000
绝对全新原装!100%保质量特价!请放心订购!
ST
22+
SOP-28
5000
原装现货库存.价格优势!!
ST
25+
SOP-28
2987
只售原装自家现货!诚信经营!欢迎来电!
ST
23+
SOP-28
8650
受权代理!全新原装现货特价热卖!
ST
23+
DIP28
15000
一级代理原装现货