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Excellent EMI Immunity Rail-to-Rail Input, Open-Drain Output Low power CMOS Comparators

  • Consumer
  • PLP
  • RoHS

The NJU77242 are rail-to-rail input CMOS comparators featuring low-power and open drain output.

These comparators operate from 1.8V to 5.5V and low supply current of 6μA/ch. typ. This feature is suitable for battery powered application.

The NJU77242 are available in small size package, DFN8-U1 (2020), significantly reducing the required portable application's board area.


  • Rail-to-Rail Input
  • Open-Drain Output
  • Supply Current : 6μA/ch x 2 typ.
  • Propagation Delay : 840ns typ.
  • Operating Voltage : 1.8 to 5.5V
  • Input Offset Voltage : 6mV max.
  • Operating Temperature : -40 to 125°C
  • Integrated EMI filter : EMIRR=62dB typ. @f=900MHz
  • Package :
    MSOP8 (TVSP8) * meets JEDEC MO-187-DA / thin type,
    DFN8-U1 (ESON8-U1)

(V+=3V, V-=0V, Ta=25°C)


  • Portable and Battery-Powered Applications
  • Alarm and Surveillance Circuits
  • Industrial Instruments
  • Sensor Applications


Series Name Product Name Compatibility ch. Package
NJU77240 NJU77240F ConsumerPLP 1ch SOT-23-5
NJU77240F3 ConsumerPLP 1ch SC-88A
NJU77241 NJU77241F ConsumerPLP 1ch SOT-23-5
NJU77241F3 ConsumerPLP 1ch SC-88A
NJU77241KG1 Consumer 1ch DFN6-G1 (ESON6-G1)
NJU77242 NJU77242RB1 ConsumerPLP 2ch MSOP8 (TVSP8)
NJU77242KU1 Consumer 2ch DFN8-U1 (ESON8-U1)


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