HAL2850 Datasheet, PDF (2/2 Pages) Micronas – Linear Hall-Effect Sensor with PWM Output

PRODUCT INFORMATION
HAL 2850
Development Tools
For engineering purposes, Micronas offers
an easy-to-use application kit:
V Micronas programmer board
(HAL-APB V 1.3)
V LabVIEWTM programming software for
Windows^® 9x/2000/XP/Vista
V LabVIEW^TM VIs
Serial Port
Fig. 1: Development tool setup
May/2008
HAL Programmer Board
System Architecture
The HAL 2850 sensors are produced in a
proven automotive submicron CMOS tech-
nology.
The HAL 2850 features a temperature-com-
pensated Hall plate with spinning-current
offset compensation, an A/D converter for
the Hall-plate, an A/D converter for the tem-
perature sensor, digital signal processing
(RISC processor), a digital PWM interface,
an EEPROM memory with redundancy and
lock function for the calibration data and the
PWM output configuration, and protection
devices on all pins.
The HAL 2850 is programmable by means
of BiPhase-M telegrams. No additional pro-
gramming pin is needed. The sensor is pro-
grammed through its output pin.
VSUP
Internally
stabilized
Supply and
Protection
Devices
Switched
Hall Plate
GND
Temperature
Sensor
Temperature
Dependent
Bias
A/D
Converter
A/D
Converter
Oscillator
Digital
Signal
Processing
PWM
Module
EEPROM Memory
Lock Control
Protection
Devices
Open-Drain
Output with
DIO
Slew-Rate
Control
Fig. 2: Block diagram of the HAL 2850
All information and data contained in this product information are without any commitment, are not to be consid-
ered as an offer for conclusion of a contract, nor shall they be construed as to create any liability. Product or
development sample availability and delivery are exclusively subject to our respective order confirmation form. By
this publication, Micronas GmbH does not assume responsibility for patent infringements or other rights of third
parties which may result from its use.
No part of this publication may be reproduced, photo-
copied, stored on a retrieval system, or transmitted
without the express written consent of Micronas GmbH.
Edition May 2, 2008; Order No. PI000125_001EN
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