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ADMT4000 - True Power-On Multiturn Sensor

General Description

The ADMT4000 is a magnetic turn count sensor capable of recording the number of rotations of a magnetic system even while the device is powered down.

power-up, the device can be interrogated to report the absolute position of the system.

Key Features

  • True power-on multiturn counter.
  • 46-turn magnetic sensor.
  • >16k° digital output.
  • ±0.25° accuracy.
  • Measurement update rate 100 kSPS.
  • 16 mT to 31 mT operating range.
  • Internal temperature sensor.
  • IC supply, 3.3 V.
  • SPI interface, 1.7 V to 5 V.
  • Junction temperature range:.
  • 40°C to +150°C.
  • 24-pin TSSOP.
  • Industrial.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FEATURES  True power-on multiturn counter  46-turn magnetic sensor  >16k° digital output  ±0.25° accuracy  Measurement update rate 100 kSPS  16 mT to 31 mT operating range  Internal temperature sensor  IC supply, 3.3 V  SPI interface, 1.7 V to 5 V  Junction temperature range: −40°C to +150°C  24-pin TSSOP  Industrial applications APPLICATION  Rotation count detection and storage without power  Contactless absolute position measurement  Brushless DC motor control and positioning  Actuator control and positioning GENERAL DESCRIPTION The ADMT4000 is a magnetic turn count sensor capable of recording the number of rotations of a magnetic system even while the device is powered down.