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BUY LM311DRE4 https://www.utsource.net/itm/p/11689985.html
IC DIFF COMPARATOR STROBE 8-SOIC
Description: The LM311DRE4 is a single-channel comparator from Texas Instruments. It is a high-speed voltage comparator with an open-collector output. Features: High-speed response time of 1.5 μs Low input offset voltage of 2 mV Low input bias current of 0.5 nA Low input offset current of 0.5 nA Open-collector output Wide supply voltage range of 3 V to 36 V Operating temperature range of -40°C to +85°C Applications: Voltage monitoring Over-voltage protection Level detection Pulse-width modulation Motor control Signal conditioning (For reference only)