參數資料
型號: L9703
廠商: 意法半導體
英文描述: OCTAL GROUND CONTACT MONITORING CIRCUIT
中文描述: 八路地面接觸的監(jiān)控電路
文件頁數: 1/9頁
文件大?。?/td> 169K
代理商: L9703
L9703
March 1992
OCTAL GROUND CONTACT MONITORING CIRCUIT
.
OPERATING DC SUPPLY VOLTAGE RANGE
5V TO 25V
.
SUPPLY OVERVOLTAGEPULSEUP TO 40V
.
VERY LOW STANDBY QUIESCENT CUR-
RENT 0.2mA
.
INTERNAL CLAMPING DIODESAT CONTACT
INPUTS TO V
S
AND GND
.
INPUT PULSECURRENT CAPABILITYUP TO
+ 50mA ;– 75mA
.
NOMINALCONTACT CURRENT OF 10mADE-
FINED BYEXTERNAL CONTACT SERIESRE-
SISTORS R
I N1–8
.
CONTACT STATUS MONITORING BY COM-
PARING THE RESISTANCE AT CONTACT
SENSEINPUTSWITHTHEINTERNALREFER-
ENCE RESISTOR VALUE
.
HIGHIMMUNITY DUE TORESISTANCECOM-
PARISONWITH HYSTERESIS
BLOCK DIAGRAM
SO-20L
DIP-20
ORDERINGNUMBERS
: L9703 (DIP-20)
L9703D (SO-20L)
DESCRIPTION
TheL9703isa bipolarmonolithicintegratedcir-
cuitformonitoring thestatusof upto eight con-
tactsconnectedto GND.
It containseight contact senseinputsandeight
microcomputercompatiblethree-stateoutputs.
1/9
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L9703D 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL GROUND CONTACT MONITORING CIRCUIT
L9704 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL SUPPLY CONTACT MONITORING CIRCUIT
L9704D 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL SUPPLY CONTACT MONITORING CIRCUIT
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