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參數資料
| 型號： | L3280 |
| 廠商： | 意法半導體 |
| 英文描述： | Low Voltage Telephone Speech Circuit(低壓電話語音芯片) |
| 中文描述： | 低壓電話語音電路（低壓電話語音芯片） |
| 文件頁數： | 1/8頁 |
| 文件大小： | 118K |
| 代理商： | L3280 |
L3280
June1993
This is advanced information on a new product now in development orundergong evaluation. Details are subject to change withoutnotice.
LOW VOLTAGE TELEPHONE SPEECH CIRCUIT
.
OPERATIONDOWN TO 1.3V/5 mA
.
DTMF & BEEPTONE INPUTS
.
EXTERNAL MUTING FOR EARPHONE AND
MICROPHONE
.
MUTE TURNS ON BEEP TONE & DTMF IN-
PUTS AND TURNS OFF EARPHONE & MI-
CROPHONE
.
SUITABLE FOR DYNAMIC OR PIEZO EAR-
PHONES AND PIEZO, DYNAMIC OR ELEC-
TRET MICROPHONES
ADVANCE DATA
DESCRIPTION
TheL3280isabrandnewlowvoltagespeechcircuit
designedtoreplacehybridcircuitsintelephonesets.
Itis designed for sets that may be operatedin par-
allel. ItfeaturesbothDTMF inputandBeep tonein-
put; ALCon send and receive and mutinginput.
VariousDC - characteristicscan beprogrammedat
pin 14 replacing testing resistor (43
) with proper
networkvalue.
PIN CONNECTION
(top view)
DIP14
ORDERING NUMBER :
L3280AB
1/8
相關PDF資料 |
PDF描述 |
|---|---|
| L3281 | LOW VOLTAGE TELEPHONE SPEECH CIRCUITS |
| L3281AB | LOW VOLTAGE TELEPHONE SPEECH CIRCUITS |
| L3281AD1 | LOW VOLTAGE TELEPHONE SPEECH CIRCUITS |
| L3845 | TRUNK INTERFACE |
| L3845B | TRUNK INTERFACE |
相關代理商/技術參數 |
參數描述 |
|---|---|
| L3280AB | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW VOTAGE TELEPHONE SPEECH CIRCUIT |
| L3281 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW VOLTAGE TELEPHONE SPEECH CIRCUITS |
| L3281AB | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW VOLTAGE TELEPHONE SPEECH CIRCUITS |
| L3281AD1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW VOLTAGE TELEPHONE SPEECH CIRCUITS |
| L-32AEIR1C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RECEIVER MODULE |
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