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  • Wheatstone bridge-based resistive sensor interface ASIC in 0.65u CMOS
  • Wheatstone bridge-based resistive sensor interface ASIC in 0.65u CMOS

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    ICsense integrated a low-power magnetic sensor interface ASIC for automotive applications with the sensor element on a single die. Our designers developed the electrical VHDL-AMS sensor model to perform mixed-signal co-simulations. We successfully delivered a complete signal conditioning chain at 2.5V (in a 0.65u CMOS node), including an ultralow-power 12-bit ADC and a complete digital algorithm for signal processing and automatic interface calibration.

    Features:

     

    • Ultralow power, 2.5V
    • Wheatstone bridge readout
    • 12-bit accuracy
    • VHDL-AMS model of the sensor
    • Automotive qualified
    • 0.65u BiCMOS technology
    • Temperature range of -40°C to 150°C (peaks to 200°C allowed)