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LM339 Data Sheet

Low Power Low Offset Voltage Quad Comparators

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LM339
LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators March 2004 LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators General Description The LM139 series consists of four independent precision voltage comparators with an offset voltage specification as low as 2 mV max for all four comparators. These were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground, even though operated from a single power supply voltage. Application areas include limit comparators, simple analog to digital converters; pulse, squarewave and time delay generators; wide range VCO; MOS clock timers; multivibrators and high voltage digital logic gates. The LM139 se.
LM339

Download LM339 Datasheet
LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators March 2004 LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators General Description The LM139 series consists of four independent precision voltage comparators with an offset voltage specification as low as 2 mV max for all four comparators. These were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground, even though operated from a single power supply voltage. Application areas include limit comparators, simple analog to digital converters; pulse, squarewave and time delay generators; wide range VCO; MOS clock timers; multivibrators and high voltage digital logic gates. The LM139 series was designed to directly interface with TTL and CMOS. When operated from both plus and minus power supplies, they will directly interface with MOS logic — where the low power drain of the LM339 is a distinct advantage over standard comparators. Features n Wide supply voltage range n LM139/139A Series 2 to 36 VDC or ±1 to ±18 VDC n LM2901: 2 to 36 VDC or ±1 to ±18 VDC n LM3302: 2 to 28 VDC or ±1 to ±14 VDC n Very low supply current drain (0.8 mA) — independent of supply voltage n .


LM239 LM339 LM3302


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