- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄369713 > L3924A PDF資料下載
參數(shù)資料
| 型號(hào)： | L3924A |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大?。?/td> | 209K |
| 代理商： | L3924A |
當(dāng)前第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)
L3914A
L3924A - L3934A
SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION
ADVANCE DATA
SPEECH CIRCUIT
2 TO 4 WIRES CONVERSION
PRESENT THE PROPERDC PATHFOR 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
ELECTRET
OR
TRANSDUCER
ASYMMETRICAL
EARPHONE
SUITABLE FOR DYNAMIC TRANSDUCER
LINE LOSSCOMPENSATION
INTERNAL MUTING TO DISABLE SPEECH
DURINGDIALING
HOLD FUNCTION FOR PARALLEL PHONE
WITH 400ms DELAY TO PREVENT FALSE
RELEASE
DIALER CIRCUIT
32 DIGITS FOR LAST NUMBER REDIAL
BUFFER
18 DIGITSFOR 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
FLASH INITIATESTIMED BREAK:
MASK OPTIONS WITH 585ms,300ms,100ms
CONTINUOUS TONE FOR EACH DIGIT UN-
TIL KEY RELEASE
USES
INEXPENSIVE
RAMIC RESONATOR
POWERED FROM TELEPHONE LINE, LOW
OPERATING VOLTAGE FOR LONG LOOP
APPLICATION
PIEZOELECTRIC
OUTPUT
3.579545MHz
CE-
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 loopdisconnect (pulse)dialing.
This isadvanced information on anew product now in development or undergoing evaluation. Details are subject to change without notice.
January 1995
PINCONNECTION
(Topview)
KEYPADCONFIGURATION
DIP28
SO28
ORDERING NUMBERS:
L3914AN
L3924AN
L3934AN
L3914AD
L3924AD
L3934AD
Note:
PAUSE/LND:
PAUSE and LND functions are sharing the same key with different
sequence.Hereafter,PAUSEandLNDkeys arereferring tothesame
key.
1/15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L39 | DSP For MODEM |
| RC144ACFLW-GSM | Telecommunication IC |
| RC144ACLW-GSM | Telecommunication IC |
| RC144DPFL | MODEM |
| RC144DPL | MODEM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L3924AD | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION |
| L3924AN | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION |
| L3926A | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:SPEECH AND 14 MEMORY DIALER WITH LED DRIVER |
| L3926AD | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:SPEECH AND 14 MEMORY DIALER WITH LED DRIVER |
| L3926AN | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:SPEECH AND 14 MEMORY DIALER WITH LED DRIVER |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。