HAL83x Brochure Datasheet by TDK-Micronas GmbH

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6%. MICRONAS
HAL 83x Jan/2013
PRODUCT INFORMATION
HAL 83x
Robust Multi-Purpose Linear Hall-Effect Sensor
The HAL 83x family consists of robust
multi-purpose Hall sensors for linear dis-
placement and angle detection below 90°.
They offer flexibility thanks to the analog
and PWM output as well, as to the program-
mable low-pass filter. Due to the high tem-
perature stability, the sensors can be
applied in harsh environments and their
ability to detect low magnetic fields leads to
reduced system costs.
All new family members will leverage upon
Micronas’ long success in linear Hall-effect
sensors, full in-house manufacturing, and
automotive-proven zero ppm track record.
Major characteristics such as magnetic field
range, sensitivity, output quiescent voltage
and output voltage range are programmable
in a non-volatile memory. All sensors fea-
ture a temperature-compensated Hall plate
with chopper offset compensation, an
A/D converter, digital signal processing, a
D/A converter with output driver, an
EEPROM with redundancy and lock func-
tion for the calibration data, a serial inter-
face for programming the EEPROM, and
protection devices at all pins.
The sensor can easily be calibrated for per-
fectly adjusting its output to the input signals
and to compensate for any variations in the
application (magnet positioning, tempera-
ture drift). This enables operation over the
full temperature range with high accuracy.
The calculation of the individual sensor
characteristics and the programming of the
EEPROM can easily be done with a PC and
the application kit from Micronas.
The sensor is designed for hostile industrial
and automotive applications (TJ=40 °C up
to 170 °C). The HAL 83x family is available
in the very small leaded RoHs package
TO92-UT and is AECQ100 qualified.
HAL 83x Family Overview
Features
High-precision linear Hall-effect sensor
with 12-bit analog output
Offset drift over temperature less than
0.2% of VSUP (0.1% for HAL 835)
Programmable temperature compensa-
tion for sensitivity
Open-circuit (ground and supply line
break) detection with 5 kpull-up and
pull-down resistor, overvoltage and
undervoltage detection
Programmable clamping function
Programming and operation of multiple
sensors at the same supply line
High immunity against ESD
Operates from 40 °C up to 170 °C junc-
tion temperature
Operates from 4.5 V up to 5.5 V supply
voltage in specification and functions up
to 8.5 V
Overvoltage and reverse-voltage protec-
tion at all pins, short-circuit protected
push-pull output
Magnetic field measurement range from
15 mT up to 150 mT (HAL 835)
Flexible analog or PWM output
(HAL 835)
Programmable low-pass filter at 80 Hz
(less noise) or 2 kHz (faster response)
(HAL 835)
Backbias cancellation feature enables
the measurement of small AC magnetic
fields when superposed with large DC
fields (HAL 835)
Type Characteristics
HAL 830 Analog output,
30 mT to 100 mT range
HAL 835 Analog and PWM output,
15 mT to 150 mT range,
additional features
MICRONAS O 60 000 0.0
PRODUCT INFORMATION
HAL 83x Jan/2013
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.
Micronas GmbH Hans-Bunte-Strasse 19D-79108 Freiburg (Germany)P.O. Box 840D-79008 Freiburg (Germany)
Tel. +49-761-517-0Fax +49-761-517-2174E-mail: docservice@micronas.comwww.micronas.com
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 Jan. 24, 2013; Order No. PI000146_001EN
Major Applications
Due to the sensor’s versatile programming
characteristics and low temperature drifts,
the HAL 83x is the optimal system solution
for applications such as:
Distance and linear movement measure-
ments
Angle sensors like throttle position,
pedal position, and EGR applications
Contactless potentiometers
Serial Port
HAL Programmer Board
Fig. 1: Development tool setup
Development Tools
Programming of the EEPROM and calcula-
tion of the individual sensor characteristics
can easily be done with a PC and the appli-
cation kit from Micronas:
Micronas Programming Board
(HAL-APB V 5.1)
LabVIEW™ programming software for
Windows®
LabVIEW Sub VIs
System Architecture
The HAL 83x is a monolithic integrated cir-
cuit which provides an output voltage pro-
portional to the magnetic flux through the
Hall plate and proportional to the supply
voltage (ratiometric behavior).
This voltage is converted to a digital value,
processed in the Digital Signal Processing
Unit (DSP) according to the settings of the
EEPROM registers, converted back to an
analog voltage with ratiometric behavior,
and buffered by a push-pull output transistor
stage.
The HAL 83x is programmable by modulat-
ing the supply voltage. No additional pro-
gramming pin is needed
Internally
Temperature
Oscillator
Switched 50 Ω
Digital
Signal
Processing
D/A Analog
GND
Supply
EEPROM Memory
Lock Control
Digital
stabilized
Supply and
Protection
Devices
Dependent
Bias
Protection
Devices
Hall Plate Converter Output
Level
Detection Output
A/D
Converter
Open-circuit,
Overvoltage,
Undervoltage
Detection
50 Ω
Open-
OUT
VDD
Circuit
Detection
Fig. 2: Block diagram of the HAL 83x

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