Direct Angle Sensor PWM TO92UP

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Product Information

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The HAL 36xy familiy represents a new level of performance for Hall-effect sensors enabling a significant simplification in the design of magnetic systems. The sensors are based on Micronas’ innovative 3D HAL technology, which combines standard lateral with vertical Hall plates. The HAL 36xy family is targeted for rotational movement detection up to 360°.

The devices of this family measure the X and Y component of a magnetic field in the sensor plane. Monitoring the relative strength of both components leads to a stable output even if the distance between magnet and sensor varies. The result is angular rotation measurement from 0° to 360° with very high accuracy over a wide temperature range. The devices are available with ratiometric analog output ( HAL 3625) or PWM output (HAL 3675).

The sensors are housed in a small SOIC8 SMD or 4-pin leaded TO92UP package and are AECQ100 qualified. They include an integrated wire-break detection feature that works in conjunction with a pull-up or pull-down resistor to detect fault conditions. Internal digital signal processing algorithms in conjunction with integrated non-volatile memory enable customization and robust calibration for application-specific impairments. Easy to use LabVIEW(TM)-based software and high-quality application notes accelerate development, even for novice magnet system designers. The result is a quickly developed, customized sensor system with extremely low temperature drift and insensitivity to air gap variations.

The HAL 36xy sensors are produced in a proven submicron CMOS technology.The HAL 36xy features temperature-compensated Hall plates with choppered offset compensation, two A/D converters for the magnetic field information, a temperature sensor with A/D converter, digital signal processing, a push-pull output, an EEPROM memory with redundancy and lock function for the calibration data and the data register information, a serial interface for programming the EEPROM, and protection devices on all pins.

The HAL 36xy family is programmable by modulating the output voltage. No additional programming pin is needed.

The internal digital signal processing is of great benefit because analog offsets, temperature shifts, and mechanical stress do not degrade the sensor accuracy.

Major Applications:
• Contactless potentiometers
• Rotary position measurement
• Leveling

Symmetry Electronics (and its e-commerce division: is an authorized Micronas distributor.


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Angular accuracy of better than 0.9 FS over 360 range
Stable performance with air gap variation
Programming via output pin
12-bit ratiometric analog output
Wire-break detection with pull-up or pull-down resistor
Lock function and built-in redundancy for EEPROM memory
Operates from 4.5 V up to 5.5 V supply voltage
Output response time <1 ms
Overvoltage and reverse-voltage protection on VDD pin
Short-circuit protected output
PWM output with selectable frequencies between 250 Hz and 2 kHz (HAL 3675)
32 setpoints for output linearization
On-board diagnostic features


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Micronas Supporting Documents

Previously Viewed Products

Direct Angle Sensor PWM TO92UP
Part #: HAL3675UP-A-2-B-1-00
Direct Angle Sensor PWM TO92UP