Silicon Labs 1 Axis Surface Hall Effect Sensor 2.25 V to 5.5 V Supply, PWM, Analogue, SENT Interface, SOT-23 Si7211-B-00-IVR

Silicon Labs Si7211-B-00-IVR is a high-precision 1 axis surface Hall effect sensor designed to deliver stable and linear magnetic field detection in a compact SOT-23 3-pin surface mount package. It operates within a supply voltage range of 2.25 V to 5.5 V, making it suitable for a variety of low-voltage electronics and automotive power systems.

Featuring CMOS technology with chopper-stabilized Hall elements and integrated low-noise amplifiers, the sensor outputs a signal proportional to the magnetic field strength. It supports multiple output interfaces including PWM, analogue, and SENT (Single Edge Nibble Transmission), providing flexibility for system integration.

Designed for automotive and industrial use, the Si7211-B-00-IVR is qualified to meet the rigorous AEC-Q100 standard, ensuring reliability under demanding operational environments. It maintains a wide operating temperature range from -40°C to 125°C and operates with a low supply current of 9 mA, optimizing power efficiency in battery-dependent applications.

Typical applications of this sensor include mechanical position sensing, camera image stabilization, zoom and autofocus control, and sensing of knobs or switches in automotive and industrial equipment. The device's rapid response time of 8.8 microseconds supports real-time magnetic field monitoring for dynamic environments.

The compact dimensions of 2.9 mm length, 1.6 mm width, and 1.15 mm height allow for space-efficient PCB layout in embedded systems. Its surface mount package enhances manufacturing scalability and reliability.

Operates with a low supply voltage ranging from 2.25 V to 5.5 V. Supports PWM, analogue, and SENT interfaces for versatile signal output. Compact SOT-23 package with 3 pins for surface mounting. Wide operating temperature range from -40°C to 125°C suitable for automotive applications.

Sensor features CMOS technology with 1-axis magnetic field sensing capability. Maximum frequency response up to 7 kHz and minimum frequency response of 10 Hz. Low supply current consumption of 9 mA enhances battery-powered device efficiency.

Rapid response time of 8.8 microseconds for real-time sensing applications. AEC-Q100 compliant ensuring reliability in harsh automotive environments.

This sensor is ideal for industrial, automotive, laboratory instrumentation, HVAC, and manufacturing applications requiring accurate and reliable magnetic field sensing. Explore other innovative sensor ICs and Hall Effect Sensors for your projects at EnvMart.