iC-MA3 QFN16-4x4

Angular Hall Sensor with Sin/Cos Output

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Product description

The magnetic angle sensor iC-MA3 is easily configured by pins and runs off a single 3 V to 5.5 V supply. The device outputs conditioned sine/cosine signals representing the axis angle, introduced by a diametric permanent magnet facing the package. The sine/cosine signals can be output either single-ended or differential, with a pin-configured amplitude controlled to 0.25V, 0.5V or 1V. Multiple iC-MA3 devices can be cascaded to sense several rotary axes, one at a time, but sharing a common analog signal bus.

Features

  • Single supply operation from 3.0 V to 5.5 V
  • For rotational speeds of up to 60,000 rpm
  • Quad Hall array for high assembly tolerances
  • High immunity to external stray fields
  • Automatic gain control
  • Digital control error output (loss-of-magnet indicator)
  • Analog gain signal for magnetic field strength monitoring
  • Two output modes: differential, or single-ended with reference and gain signal
  • Pin-selectable output level: 250 mV, 500 mV, 1 V
  • Pin-selectable power modes: full, reduced, eco
  • Pin-selectable bandwidth of 500 Hz, 5 kHz, 10 kHz
  • Bus-capable outputs for chain operation of multiple devices
  • Quick start from power saving standby
  • Operating temperature range of -40 °C to 125 °C

Applications

  • Precision magnetic angle sensing
  • Absolute rotary position sensors
  • Magnetic multiturn encoders
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