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位置:L3924A > L3924A詳情

L3924A中文資料

廠家型號(hào)

L3924A

文件大小

188.63Kbytes

頁(yè)面數(shù)量

15頁(yè)

功能描述

SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

簡(jiǎn)稱

STMICROELECTRONICS意法半導(dǎo)體

生產(chǎn)廠商

STMicroelectronics

中文名稱

意法半導(dǎo)體集團(tuán)官網(wǎng)

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L3924A數(shù)據(jù)手冊(cè)規(guī)格書(shū)PDF詳情

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

■ 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 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

L3924A產(chǎn)品屬性

  • 類(lèi)型

    描述

  • 型號(hào)

    L3924A

  • 制造商

    STMICROELECTRONICS

  • 制造商全稱

    STMicroelectronics

  • 功能描述

    SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

更新時(shí)間:2025-7-13 9:17:00
供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫(kù)存 備注 價(jià)格
STM
09+
SOP-28
4411
只售全新原裝貨真實(shí)實(shí)數(shù)現(xiàn)貨放心
ST
10+
SOP-28
7800
全新原裝正品,現(xiàn)貨銷(xiāo)售
STM
24+
SOP-28
210
ST
24+
SOP
3200
絕對(duì)原裝自家現(xiàn)貨!真實(shí)庫(kù)存!歡迎來(lái)電!
ST
22+
SOP28
5000
原裝現(xiàn)貨庫(kù)存.價(jià)格優(yōu)勢(shì)!!
ST
24+
SOP28
2987
只售原裝自家現(xiàn)貨!誠(chéng)信經(jīng)營(yíng)!歡迎來(lái)電!
ST/意法
23+
SOP28
50000
全新原裝正品現(xiàn)貨,支持訂貨
ST
00+
SOP28
4693
一級(jí)代理,專注軍工、汽車(chē)、醫(yī)療、工業(yè)、新能源、電力
ST
23+
SO-28
38000
正品原裝貨價(jià)格低
ST
23+
SOP28
7193
原廠原裝正品

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STMicroelectronics 意法半導(dǎo)體集團(tuán)

中文資料: 162265條

意法半導(dǎo)體 (STMicroelectronics) 成立于1987年,總部位于瑞士日內(nèi)瓦和法國(guó)巴黎,是一家全球領(lǐng)先的半導(dǎo)體公司。意法半導(dǎo)體專注于設(shè)計(jì)、制造和銷(xiāo)售各種半導(dǎo)體解決方案,產(chǎn)品廣泛應(yīng)用于汽車(chē)、工業(yè)、消費(fèi)電子、通信等領(lǐng)域。 意法半導(dǎo)體的產(chǎn)品包括微控制器、模擬集成電路、功率半導(dǎo)體、傳感器等。公司擁有多個(gè)研發(fā)中心和生產(chǎn)基地,致力于技術(shù)創(chuàng)新和研發(fā)投入。意法半導(dǎo)體在全球范圍內(nèi)擁有廣泛的客戶群和合作伙伴,為客戶提供高品質(zhì)的產(chǎn)品和解決方案。 公司的使命是通過(guò)半導(dǎo)體技術(shù)推動(dòng)智能化和可持續(xù)發(fā)展,助力客戶取得成功。意法半導(dǎo)體不僅注重商業(yè)成功,還注重社會(huì)責(zé)任、環(huán)境保護(hù)和可持續(xù)經(jīng)營(yíng)。企業(yè)價(jià)值觀包括創(chuàng)新、尊重