Update: 30 September, 2023
LP111, LP211 and LP311 are low-power versions of the industry standard LM111, LM211, LM311. They take advantage of stable, high-value, ion-implanted resistors to perform the same function as the LM311 series, with a 30:1 reduction in power consumption but only a 6:1 slowdown in response time. They are well suited for battery-powered applications and all other applications where fast response times are not needed. They operate over a wide range of supply voltages, from ±18V down to a single 3-V supply with less than 300-µA current drain, but are still capable of driving a 25-mA load. If ordinary precautions are taken to minimize stray coupling from the output to either input or to the trim pins, the LP111, LP211, and LP311 are quite easy to apply free of oscillation. The LP111 is characterized for operation over the full military temperature range, from −55°C to +125°C, and is guaranteed to operate within specifications in this temperature range.
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Publication date: 03 July, 2012
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PDF Link: texas instruments LP111 LP211 LP311 LOW-POWER DIFFERENTIAL COMPARATORS WITH STROBES handbook PDF