MA600A Configurable Digital Magnetic Angle Sensor QFN-16

MA600A Configurable Digital Magnetic Angle Sensor QFN-16

The MA600A is a precision, high-bandwidth magnetic angle sensor that detects the absolute angular position of a permanent magnet, typically a diametrically magnetized cylinder on a rotating shaft.

Key Specifications

Features

• <0.6° Error (INL)
• <0.1° Error (INL) after User Calibration with On-Chip 32-Point Lookup Table
• Configurable 12-Bit to 15-Bit Absolute Angle Encoder
• High Bandwidth (e.g. 12kHz at 12.5-Bit Resolution)
• No Latency
• Wide 10mT to 100mT Magnetic Field Range
• Serial Peripheral Interface (SPI) for Digital Angle Readout and Chip Configuration
• SPI Angle Readout in Daisy Chain Configuration Supported
• Synchronous Serial Interface (SSI) for Digital Angle Readout
• Incremental ABZ Quadrature Encoder Interface with Configurable Pulses per Turn (1 to 4096)

Typical Application Circuit

Applications

• Robotics
• Multi-Turn Encoders
• Position Control

Design Notes

• Mechanical tolerance between the magnet and the sensing element translates directly into angle error; budget it before choosing the resolution.
• Match the output interface (SPI, ABZ, PWM or analog) to the MCU timing, including the latency the control loop can tolerate.
• Offset and sensitivity drift over temperature are systematic — a single-point calibration at room temperature will not hold over the operating range.
• Differential or digital outputs survive electrically noisy motor environments far better than single-ended analog ones.

Common Questions