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參數資料
| 型號： | L3936A |
| 廠商： | 意法半導體 |
| 英文描述： | Speech and 14 Memory Dialer With LED Driver(語音電路和14個存儲器的撥號器帶LED驅動器) |
| 中文描述： | 語音和14記憶體，LED驅動器（語音電路和14個存儲器的撥號器帶的LED驅動器撥號器） |
| 文件頁數： | 1/15頁 |
| 文件大小： | 199K |
| 代理商： | L3936A |
L3916A
L3926A - L3936A
SPEECH AND 14 MEMORY DIALER WITH LED DRIVER
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
LIGHTED DIAL LED CONSUMING 25% OF
LINE CURRENT
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 loop disconnect (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
ORDERING NUMBERS:
L3916AN
L3926AN
L3936AN
SO28
L3916AD
L3926AD
L3936AD
Note:
PAUSE/LND:
PAUSE and LND functions are sharing the same key with different
sequence.Hereafter,PAUSEandLNDkeys arereferring tothesame
key.
1/15
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