Programmable direct angle Hall Sensors HAL 36xy

The HAL 36xy family is a new generation of Hall sensors.
Due to its advanced vertical Hall-plate technology it enables the
possibility to measure magnetic fields in the chip plane. With this
technology it is possible to directly measure rotation angles in a
range of 0° to 360° with simple magnetic arrangements.
The first member of this family is the HAL 3625.
Two on-chip vertical Hall plates measure both magnetic field
components B-x and B-y. The direct angle information is calculated
by the internal signal processor and converted in an analog
output voltage. Due to the measurement method, the sensor
provides an excellent drift performance over temperature and
therefore a new class of accuracy.
The sensor provides a linear, ratiometric analog output signal
with implemented wire-break detection working with a pull-up or
pull-down resistor.
Major characteristics like gain and offset of X- and y-channel,
zero-angle position, phase shift between X- and y-channel, output
slope and offset and clamping levels can be adjusted to the
magnetic circuit by programming the non-volatile memory.
The HAL 3625 is available in the small SOIC8 SMD package.

Features

» Angular accuracy of 1.0° for 360°, angle range

» Angle measurement is extremely robust against temperature

   and stress influence

» Ratiometric linear analog output is proportional to the

   measured angle

» Intergral non-linearity error of output signal ±0.2% of V

» Ratiometric error of output signal ±0.2 %

» Output response time 1 ms

» Low output noise of 0.2° rms

» Wire-break detection with 5 pull-up or pull-down resistor

» Over- and undervoltage detection

» Programmable characteristics in a non-volatile memory with

   redundancy and lock function

» Programming of the sensor via its output with TTL level

» Programmable output slope and offset

» X- and Y-channel gain and offset of signal path programmable

» Phase shift between X- and Y-channel programmable

» Programmable output clamping voltages for error

   band definition

» Programmable magnet lost detection

» 32-bit identification number for customer

» Short-circuit protected push-pull output

» Over- and reverse-voltage protection at VDD pins

» On-board diagnostic functions

Applications

» Rotary position measurements

» Leveling

» Torque measurements