Products

CT450

XtremeSense® TMR Sensor

1 MHz Bandwidth Contactless Current Sensor with <1% Total Error

Data Sheets

The CT450 is a high bandwidth and low noise integrated contactless current sensor that uses Crocus Technology’s patented XtremeSense® TMR technology to enable high accuracy current measurements for many consumer, enterprise, and industrial applications. It supports six (6) field ranges where the CT450 senses and translates the magnetic field into a linear analog output voltage. It achieves a total error output of less than ±1.0% over voltage and temperature.

It has less than 300 ns output response time while the current consumption is about 6.0 mA. The CT450 is equipped with a filter function to reduce the noise on the output pin.

The CT450 is housed in an 8-lead SOIC package and a very low profile, industry standard 8-lead TSSOP package that are both “green” and RoHS compliant.

Product features and performance​

  • Integrated Contactless Current/Field Sensing Ranges:
    • 0 mT to +6 mT
    • -6 mT to +6 mT
    • 0 mT to +12 mT
    • -12 mT to +12 mT
    • 0 mT to +24 mT
    • -24 mT to +24 mT
  • Linear Analog Output Voltage
  • Total Error Output: ≤ ±1.0%, -40°C to +125°C
  • 1 MHz Bandwidth
  • Response Time < 300 ns
  • Reference Voltage Output for Unipolar/Bipolar Field Measurements
  • VOUT – VREF Error < 1.0% FS (Max)
  • Supply Voltage: 4.75 V to 5.50 V
  • Low Noise Performance
  • Filter Pin to Reduce Noise on Output
  • AEC-Q100 Grade 1
  • Package Options:
    • 8-lead SOIC
    • 8-lead TSSOP

Design Files​

Application Notes

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