The AH1809-W-7 is an integrated Hall effect sensor designed and produced by Diodes Incorporated, a leading manufacturer in the semiconductor market. This sensor is engineered for detecting magnetic fields with high sensitivity and precision, making it an ideal choice for a wide range of applications, including position sensing, proximity detection, and speed measurement.

Key Features

• High Sensitivity: The AH1809-W-7 offers high magnetic sensitivity, which allows for the accurate detection of magnetic fields even at low levels.
• Omni-polar Detection: It can detect both North and South poles, which means it can sense the presence of any magnetic field without the need for polarity identification.
• Low Power Consumption: Designed for energy efficiency, this sensor operates with a low supply current, making it suitable for battery-powered devices.
• Chopper-Stabilized: The chopper-stabilized design ensures stable operation over a wide temperature range and minimizes the influence of thermal and electrical stress.
• Robust Output: The open-drain output of the AH1809-W-7 can be easily interfaced with a variety of digital circuits, enhancing its compatibility and flexibility in system design.

Applications

The AH1809-W-7 is versatile and can be used in various industrial, consumer, and automotive applications. Its robust design and reliable performance make it suitable for:

• Flow meters
• Tachometers
• Proximity switches
• Brushless DC motor commutation
• Lid, cover, or tray detection in consumer electronics

Technical Specifications

The sensor operates within a supply voltage range of 2.5V to 5.5V, which allows for flexible integration into various circuit designs. It is packaged in a small and lead-free SOT-553 package, ensuring a compact footprint while also meeting environmental standards.

Ordering Information

Product AH1809-W-7 from Diodes Incorporated is available for order, and each unit is shipped in a tape and reel format for automated assembly processes. For detailed ordering and pricing information, please contact the manufacturer or an authorized distributor.