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TMCS1108 Datasheet Hall-effect Current Sensor

Manufacturer: Texas Instruments

Overview: TMCS1108 SBOSA36A – JANUARY 2021 – REVISED JULY 2021 TMCS1108 3% Functional Isolation Hall-Effect Current Sensor With ±100-V Working Voltage.

General Description

The TMCS1108 is a galvanically isolated Hall-effect current sensor capable of DC or AC current measurement with high accuracy, excellent linearity, and temperature stability.

A low-drift, temperaturecompensated signal chain provides <3% full-scale error across the device temperature range.

The input current flows through an internal 1.8-mΩ conductor that generates a magnetic field measured by an integrated Hall-effect sensor.

Key Features

  • Total error: ±1% typical, ±3% maximum,.
  • 40°C to 125°C.
  • Sensitivity error: ±0.9%.
  • Offset error: 40 mA.
  • Offset drift: 0.2 mA/°C.
  • Linearity error: 0.5%.
  • Multiple sensitivity options:.
  • TMCS1108A1B/U: 50 mV/A.
  • TMCS1108A2B/U: 100 mV/A.
  • TMCS1108A3B/U: 200 mV/A.
  • TMCS1108A4B/U: 400 mV/A.
  • Zero drift internal reference.
  • Bidirectional and unidirectional current sensing.
  • Operating sup.

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