DESCRIPTION

· The ADA4570 is an integrated AMR angle sensor with signal conditioning, featuring differential outputs for precise angular measurement.

· It includes an AMR sensor and a fixed gain instrumentation amplifier, providing amplified sine and cosine outputs based on the magnetic field's rotation in the x-y plane.

· The sensor's output voltage is ratiometric to the supply voltage, ensuring consistent performance across varying power levels.

· It is designed to operate within a wide temperature range, making it suitable for both industrial and automotive applications.

· The ADA4570 is packaged in an 8-lead SOIC, offering a compact and robust solution for angular sensing needs.

FEATURES

· Contactless angular measurement with high precision, typically achieving an angular error of ±0.1°.

· Low output noise of 850 μV rms and negligible hysteresis, ensuring accurate and stable readings.

· Compatible with SAR or Σ-Δ ADCs, facilitating easy integration into various digital systems.

· Temperature-compensated AMR bridge and EMI resistance, enhancing reliability in harsh environments.

· Supports a wide supply voltage range from 2.7 V to 5.5 V and is AEC-Q100 qualified for automotive use.

APPLICATIONS

· Absolute position measurement for both linear and angular applications.

· Control and positioning in brushless DC motors and actuators.

· Contactless angular measurement and detection in various mechanical systems.

· Magnetic angular position sensing in automotive and industrial settings.