The AH1903-FA-7 is a high-performance, ultra-sensitive micropower omnipolar Hall effect switch IC brought to you by Diodes Incorporated, a leading manufacturer in the semiconductor market. This precision device is designed to meet the demanding requirements of power-sensitive applications across a broad range of industries, including consumer electronics, industrial automation, and portable battery-powered devices.
Key Features
- Omni-polar Operation: The AH1903 can detect both north and south poles, providing flexibility in magnet selection and reducing system complexity.
- High Sensitivity: With its high sensitivity, the AH1903 is capable of detecting weak magnetic fields, making it suitable for a variety of applications.
- Low Power Consumption: The device operates with a very low supply current, making it ideal for battery-powered applications where power efficiency is critical.
- Chopper Stabilized Design: This feature ensures stable operation over a wide temperature range and minimizes the switch point drift due to thermal or mechanical stress.
- ESD Protection: The AH1903 is equipped with on-chip ESD protection, providing robustness and reliability in harsh environments.
- Miniature Package: Supplied in a small and flat leadless package (DFN2020-6), the AH1903-FA-7 occupies minimal PCB space, which is essential for compact electronic designs.
Applications
The versatile nature of the AH1903-FA-7 makes it suitable for a myriad of applications. It is often used in:
- Smart home devices and IoT sensors
- Portable electronic devices
- Battery-powered equipment
- Industrial automation and safety systems
- Consumer electronics such as white goods and personal gadgets
Specifications
| Parameter |
Value |
| Supply Voltage |
1.6V to 3.6V |
| Supply Current |
4.3μA (typical) |
| Operating Temperature |
-40°C to +85°C |
| Output Type |
CMOS Push-Pull |
| Package |
DFN2020-6 |
With the AH1903-FA-7, Diodes Incorporated continues to deliver high-quality, reliable components that advance the possibilities of electronic design and innovation.