MMC5983MA
Overview
The MMC5983MA is a high-performance 3-axis magnetoresistive sensor designed for precision magnetic field measurements. It provides 18-bit resolution and a measurement range of +/-8 Gauss, making it suitable for high-accuracy electronic compass and navigation systems. The device features integrated sensitivity compensation and an on-chip temperature sensor to maintain accuracy across its -40C to 105C operating range.
Why Choose This Part
The MMC5983MA offers industry-leading 18-bit resolution and very low noise, which is critical for precision heading applications. It supports both I2C and SPI interfaces for flexible integration and includes an internal SET/RESET function to clear hysteresis. Its low power consumption of 0.45mA at 7Hz makes it ideal for battery-operated portable electronics.
Applications
Key Specifications
Getting Started
Engineers can evaluate the sensor using the MMC5983MA-B evaluation board connected to an MCU via I2C or SPI. Implementation requires managing the SET/RESET bits in the control registers to ensure the sensor is degaussed before high-accuracy measurements. Driver libraries are available for common platforms like Arduino to accelerate development of tilt-compensated compass algorithms.
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