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LP311M Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer LP311M
Beschreibung LP311 Voltage Comparator
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 6 Seiten
LP311M Datasheet, Funktion
February 1995
LP311 Voltage Comparator
General Description
The LP311 is a low power version of the industry-standard
LM311 It takes advantage of stable high-value ion-implant-
ed resistors to perform the same function as an LM311 with
a 30 1 reduction in power drain but only a 6 1 slowdown of
response time Thus the LP311 is well suited for battery-
powered applications and all other applications where fast
response is not needed It operates over a wide range of
supply voltages from 36V down to a single 3V supply with
less than 200 mA drain but it is still capable of driving a 25
mA load The LP311 is quite easy to apply without any oscil-
lation if ordinary precautions are taken to minimize stray
coupling from the output to either input or to the balance
pins (as described in the LM311 datasheet Application
Hints)
Schematic Diagram
Features
Y Low power drain 900 mW on 5V supply
Y Operates from g15V or a single supply as low as 3V
Y Output can drive 25 mA
Y Emitter output can swing below negative supply
Y Response time 1 2 ms
Y Same pin-out as LM311
Y Low input currents 2 nA of offset 15 nA of bias
Y Large common-mode input range b14 6V to 13 6V
with g15V supply
Applications
Y Level-detector for battery-powered instruments
Y Low-power lamp or relay driver
Y Low-power zero-crossing detector
Connection Diagram
Dual-In-Line Package
TL H 5711 – 7
Order Number LP311M or LP311N
See NS Package Numbers M08A or N08E
Top View
C1995 National Semiconductor Corporation TL H 5711
TL H 5711 – 4
RRD-B30M115 Printed in U S A






LP311M Datasheet, Funktion
Physical Dimensions inches (millimeters) (Continued)
Molded Dual-In-Line Package (N)
Order Number LP311N
NS Package Number N08E
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SEMICONDUCTOR CORPORATION As used herein
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