Broadcom ACHS-719x family hall effect current sensors

Broadcom ACHS-719x family hall effect current sensors

The ACHS-719x product series is a fully integrated Hall Effect-based isolated linear current sensor device family designed for AC or DC current sensing

The ACHS-719x product series is a fully integrated Hall Effect-based isolated linear current sensor device family designed for AC or DC current sensing in industrial, commercial, and communications systems. The family consists of products with a sensing current ranging from ±10 A to ±50 A. The devices offer a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current generates a magnetic field that the Hall IC converts into a proportional voltage. Device accuracy is optimized through the use of differential Hall transducers.

Key features

  • Wide Operating Temperature Range: from -40ºC to 110ºC
  • Primary Conductor Resistance: 0.7 mΩ Typ.
  • Sensing Current Ranges: ±10A, ±20A, ±30A, ±40A, and ±50A
  • Output Sensitivity: from 40 to 185 mV/A

Additional features

  • Low-resistance current conduction path
  • Output voltage proportional to AC or DC currents
  • Ratiometric output from supply voltage
  • Single supply operation: 5.0 V
  • Low noise analog signal path
  • Device bandwidth is set via the filter pin:
    • 80 kHz typ. with 1 nF filter capacitor
  • Factory-trimmed for high accuracy
  • Extremely stable output offset voltage
  • Near-zero magnetic hysteresis
  • Total output error:
    • ≤ ±6% across the range from -40 to 110 °C
  • >25 kV/µs common-mode transient immunity
  • Small footprint, low profile SO-8 package
  • Isolation voltage:
    • 3kVRMS, 1 minute
  • Worldwide safety:
    • UL, CSA, IEC/EN 62368-1

more information: www.broadcom.com

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