LP365 National Semiconductor, LP365 Datasheet
LP365
Available stocks
Related parts for LP365
LP365 Summary of contents
Page 1
... LP265 LP365 Micropower Programmable Quad Comparator General Description The LP365 consists of four independent voltage compara- tors The comparators can be programmed four at the same time for various supply currents input currents re- sponse times and output current drives This is accom- plished by connecting a single resistor between the V ...
Page 2
... Lead Temp (Soldering 10 sec ) (Vapor Phase 60 sec ) (Infrared 15 sec ) Continuous Operating Temp Range LP365 V V 36V OUT Storage Temp Range 2000V (Note 4) Low power SET LP365A Tested Design ...
Page 3
... 100 A e SET LP365 Units Tested Design (Limit) Limit Limit (Note 5) (Note (Max 200 nA (Max 500 80 300 500 nA (Max) 80 ...
Page 4
Typical Performance Characteristics Supply Current vs I SET Input Bias Current vs I SET Response Time Negative Transition Response Time Negative Transition Supply Current vs Supply Voltage Output Saturation Voltage Response Time Positive Transition Response Time Positive Transition 4 Supply ...
Page 5
Typical Applications Gated 4-Phase Oscillator f 20 kHz All four phases run when X is low When X is high oscillation stops and power drain is zero ‘‘Voting’’ Comparator TL ...
Page 6
Typical Applications (Continued) Ordinary Hysteresis good practice to add a few millivolts of positive feedback to prevent oscillation when the input voltage is near the threshold Bar-Graph Display The positive feedback from pin 16 provides hysteresis Hysteresis ...
Page 7
... Slow Op Amp (Inverter Unlike most comparators the LP365 can be used amp if suitable R-C damping networks are used Chopping Outputs Chopping the outputs by modulating the I current allows data to be trans- SET mitted via opto-couplers transformers etc Slow Op Amp (Unity-Gain Follower 5023– ...
Page 8
Simplified Schematic Current sources are programmed by I SET V is common to all 4 comparators 5023 – 14 ...
Page 9
... Physical Dimensions inches (millimeters) Plastic Surface-Mount Package (M) Order Number LP365M NS Package Number M16A 9 ...
Page 10
... Physical Dimensions inches (millimeters) (Continued) Order Number LP365AN or LP365N LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or ...