The AH1895-FA-7 from Diodes Incorporated is a high-performance, unipolar Hall effect switch IC designed to meet the requirements of a wide range of applications. This compact and versatile sensor is ideal for industrial, consumer, and automotive markets where reliability and precision are paramount.

Key Features

• Unipolar Hall Effect Switch: The AH1895-FA-7 operates as a unipolar switch, which means it detects the presence of a magnetic field of one polarity, typically the south pole, and switches on. When the magnetic field is removed, the device switches off.
• High Sensitivity: Engineered for high magnetic sensitivity, this sensor can detect and respond to weak magnetic fields, making it suitable for a variety of applications where precise detection is crucial.
• Chopper Stabilized Design: The chopper stabilized design ensures stable operation over a wide temperature range and minimizes the influence of thermal and mechanical stresses on the sensor's performance.
• Low Power Consumption: With its low power consumption, the AH1895-FA-7 is an excellent choice for battery-powered or energy-sensitive applications, contributing to longer battery life and reduced power costs.
• Small Package: The sensor is available in a small and flat lead SOT553 package, making it easy to integrate into space-constrained designs without compromising performance.

Applications

The AH1895-FA-7 is suitable for a variety of applications, including but not limited to:

• Open and close detection in smart home devices
• Position and speed sensing in motors and fans
• Proximity detection in consumer electronics
• Flow metering in industrial systems
• Window and door sensors in automotive technology

Technical Specifications

The device operates within a supply voltage range of 2.5V to 5.5V, making it compatible with most common system voltages. It features an operating temperature range of -40°C to +85°C, which ensures reliable performance in harsh environments. The output type is open-drain, which offers flexibility in connecting the output to a variety of loads.

Ordering Information

For ordering, the AH1895-FA-7 is available in tape and reel packaging, facilitating easy integration into automated manufacturing processes. Diodes Incorporated ensures quality and reliability, making this Hall effect sensor a dependable choice for your sensing needs.