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LM397MF/NOPB
Single General Purpose Voltage Comparator 5-SOT-23 -40 to 85
Sample & Support & Product Tools & Technical Community Buy Folder Documents Software LM397 SNOS977F – MAY 2001 – REVISED MAY 2016 LM397 Single General-Purpose Voltage Comparator 1 Features 3 Description The LM397 device is a single voltage comparator 1• T = 25°C. Typical Values Unless Otherwise A with an input common mode that includes ground. Specified. The LM397 is designed to operate from a single 5-V • 5-Pin SOT-23 Package to 30-V power supply or a split power supply. Its low • Industrial Operating Range−40°C to +85°C supply current is virtually independent of the magnitude of the supply voltage. • Single or Dual Power Supplies • Wide Supply Voltage Range 5 V to 30 V The LM397 features an open-collector output stage. This allows the connection of an external resistor at • Low Supply Current 300 µA the output. The output can directly interface with TTL, • Low Input Bias Current 7 nA CMOS and other logic levels, by tying the resistor to • Low Input Offset Current ±1 nA different voltage levels (level translator). • Low Input Offset Voltage ±2 mV The LM397 is available in the space-saving 5-Pin • Response Time 440 ns (50-mV Overdrive) SOT-23 package and is pin-compatible to TI’s TL331, a single differential comparator. • Input Common-Mode Voltage 0 to V – 1.5 V S (1) Device Information 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) • A/D Converters LM397 SOT-23 (5) 2.90 mm × 1.60 mm • Pulse, Square-Wave Generators (1) For all available packages, see the orderable addendum at • Peak Detector the end of the data sheet. • Industrial Applications Typical Circuit V S R PULL-UP - V IN R 1 V O + R 3 R 2 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
