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LP339-N Datasheet(PDF) 2 Page - Texas Instruments |
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LP339-N Datasheet(HTML) 2 Page - Texas Instruments |
2 / 15 page LP339 Ultra-Low Power Quad Comparator General Description The LP339 consists of four independent voltage compara- tors designed specifically to operate from a single power supply and draw typically 60 µA of power supply drain cur- rent over a wide range of power supply voltages. Operation from split supplies is also possible and the ultra-low power supply drain current is independent of the power supply volt- age. These comparators also feature a common-mode range which includes ground, even when operated from a single supply. Applications include limit comparators, simple analog-to-digital converters, pulse, square and time delay generators; VCO’s; multivibrators; high voltage logic gates. The LP339 was specifically designed to interface with the CMOS logic family. The ultra-low supply current makes the LP339 valuable in battery powered applications. Advantages n Ultra-low power supply drain suitable for battery applications n Single supply operation n Sensing at ground n Compatible with CMOS logic family n Pin-out identical to LM339 Features n Ultra-low power supply current drain (60 µA) — independent of the supply voltage (75 µW/comparator at +5 V DC) n Low input biasing current: 3 nA n Low input offset current: ±0.5 nA n Low input offset voltage: ±2mV n Input common-mode voltage includes ground n Output voltage compatible with MOS and CMOS logic n High output sink current capability (30 mA at V O=2 VDC) n Supply Input protected against reverse voltages Schematic and Connection Diagrams Typical Applications (V+= 5.0 V DC) DS005226-1 DS005226-2 Order Number LP339M for S.O. Package See NS Package Number M14A Order Number LP339N for Dual-In-Line Package See NS Package Number N14A Basic Comparator DS005226-3 Driving CMOS DS005226-4 August 2000 © 2000 National Semiconductor Corporation DS005226 www.national.com |
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