The AH1902-FA-7 is a versatile and high-performance magnetic Hall effect sensor designed and manufactured by the renowned semiconductor company, Diodes Incorporated. This sensor is engineered to detect magnetic fields with high accuracy and convert them into digital output signals. Its robust design makes it suitable for a wide range of applications, including but not limited to industrial control systems, position sensing in consumer electronics, and flow meters.

Key Features

• Omni-polar Detection: Capable of detecting both North and South poles, providing flexibility in magnet selection and sensor placement.
• High Sensitivity: Engineered for precise detection of magnetic fields, ensuring reliable performance in various operating conditions.
• Low Power Consumption: Optimized for battery-powered applications, contributing to extended device life.
• Chopper-Stabilized Design: Offers stable operation over temperature variations and inherent immunity to stress.
• ESD Protection: Equipped with built-in electrostatic discharge protection to enhance durability and longevity.

Technical Specifications

• Supply Voltage: 2.5V to 5.5V
• Output Type: Open Drain
• Operating Temperature Range: -40°C to +85°C
• Sensitivity Range: Programmable via external resistor
• Package: Ultra-small, leadless DFN2020-6 (SOT23-6 compatible)

Applications

• Position and proximity sensing
• Speed and revolution counting
• Flow rate sensing for water, gas, and heat meters
• Contactless switches in consumer and industrial devices

The AH1902-FA-7 Hall effect sensor by Diodes Incorporated is an ideal choice for designers looking for a reliable, high-performance sensing solution. Its small footprint, combined with its high sensitivity and low power draw, makes it a versatile component for a multitude of applications.