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TI(德州仪器) LP339-N
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  • TI(德州仪器) LP339-N
  • TI(德州仪器) LP339-N
  • TI(德州仪器) LP339-N
  • TI(德州仪器) LP339-N
  • TI(德州仪器) LP339-N
  • TI(德州仪器) LP339-N
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LP339-N

LP339-N

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超低功耗四路比较器

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The LP339 consists of four independent voltage comparators designed specifically to operate from a single power supply and draw typically 60 µA of power supply drain current 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 voltage. 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.


  • Ultra-low power supply current drain (60 µA)-independent of the supply voltage (75 µW/comparator at +5 VDC)
  • Low input biasing current: 3 nA
  • Low input offset current: ±0.5 nA
  • Low input offset voltage: ±2 mV
  • Input common-mode voltage includes ground
  • Output voltage compatible with MOS and CMOS logic
  • High output sink current capability (30 mA at VO=2 VDC)
  • Supply Input protected against reverse voltages

Number of channels4
Output typeOpen-collector, Open-drain
Propagation delay time (µs)8
Vs (max) (V)36
Vs (min) (V)2
Vos (offset voltage at 25°C) (max) (mV)5
Iq per channel (typ) (mA)0.015
Input bias current (±) (max) (nA)25
Rail-to-railIn to V-
RatingCatalog
Operating temperature range (°C)0 to 70
VICR (max) (V)34
VICR (min) (V)0
PDIP (N)14181.42 mm² 19.3 x 9.4
SOIC (D)1451.9 mm² 8.65 x 6
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