The AH1812-FA-7 from Diodes Incorporated is a high-performance, micropower Hall effect sensor primarily designed for battery-powered and portable applications due to its low power consumption and compact form factor. This device is a part of Diodes Incorporated's renowned sensing technologies, which are known for their reliability and precision in various industrial, consumer, and automotive applications.

Key Features

• Omni-polar Operation: The AH1812 can detect both North and South poles, making it versatile for different sensing configurations.
• High Sensitivity: The device has been engineered to detect weak magnetic fields, which allows for the use of smaller magnets or a greater air gap in the sensor assembly.
• Low Power Consumption: With a supply current of only 4.3µA, it is ideal for battery-powered applications, extending the operational life of the product it is used in.
• Chopper Stabilized Design: This feature ensures stable operation over a wide temperature range and minimizes the influence of thermal and mechanical stress.
• Output Type: The sensor provides a digital output that switches in the presence of a magnetic field.
• Supply Voltage Range: Operates over a broad range of supply voltages from 1.6V to 3.6V, accommodating various application requirements.
• ESD Protection: The device includes on-chip ESD protection circuits to enhance robustness and reliability in harsh environments.

Applications

The AH1812-FA-7 is suitable for a wide array of applications, including but not limited to:

• Open and close detection in smart home devices and consumer electronics
• Position and speed sensing in motors and industrial equipment
• Proximity detection for power-saving features in portable electronics
• Fluid level detection in tanks and containers

Package Information

The sensor is offered in a small, lead-free, SOT553 package, making it easy to integrate into space-constrained applications while maintaining eco-friendly standards. Its small footprint and low profile allow for inconspicuous placement in a variety of product designs.