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NJU9102 Datasheet Earth Leakage Current Detector Ic

Manufacturer: New Japan Radio

Overview: NJU9102 Earth Leakage Current Detector IC ■.

General Description

NJU9102 is a digital detector IC for earth leakage current breaker.

The built-in ADC converts from an analog signal from ZCT (Zero-phase-sequence Current Transformer) to digital data, and processes digital data based on an earth leakage current detector condition.

As a result of data processing, NJU9102 outputs a one-shot pulse on SCRT terminal when an analog signal is judged to a leakage condition, and turns on an external thyristor.

Key Features

  • Power Supply VDD 4.0V to 5.5V.
  • Operating Temperature -40 to 105.
  • Built-in High Precision ADC 14-Bit.
  • Sinc3 Digital Filter -3dB Frequency = 150Hz.
  • Internal Power Supply VREG=3.3V VCOM=1.65V.
  • Earth Leakage Detector Condition (TMD) Type A / Type AC switchable.
  • Control Circuit Earth Leakage Detector Condition (TMD) Sampling Counter (SCRT).
  • Package DMP8.

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