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ACNT-H87A Datasheet Precision Optically Isolated Voltage Sensor

Manufacturer: Broadcom

Overview: ACNT-H87B, ACNT-H87A, ACNT-H870 Precision Optically Isolated Voltage Sensor in a 15-mm Stretched SO-8 Package Data.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The ACNT-H87B/H87A/H870 voltage sensors are optical isolation amplifiers designed specifically for voltage sensing.

Its 2-V input range and high 1-G input impe-dance, makes it well suited for isolated voltage sensing requirements in electronic power converters applications including motor drives and renewable energy systems.

In a typical voltage sensing implementation, a resistive voltage divider is used to scale the DC-link voltage to suit the input range of the voltage sensor.

Key Features

  • Advanced sigma-delta (.
  • ) modulation technology.
  • Unity gain 1V/V, ±0.5% high gain accuracy (ACNT-H87B).
  • 1-G input impedence.
  • 0 to 2V nominal input range.
  • 35 ppm/°C low gain drift.
  • 21 μV /°C offset voltage drift.
  • 0.1% non-linearity maximum.
  • Active-high shutdown pin.
  • 100-kHz wide bandwidth.
  • 3-V to 5.5-V wide supply range for output side.
  • 40°C to +110°C operating temperature range.
  • 15 kV/μs common-mode transien.

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