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HAL800 PDF даташит

Спецификация HAL800 изготовлена ​​​​«Micronas» и имеет функцию, называемую «Programmable Linear Hall Effect Sensor».

Детали детали

Номер произв HAL800
Описание Programmable Linear Hall Effect Sensor
Производители Micronas
логотип Micronas логотип 

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HAL800 Даташит, Описание, Даташиты
MICRONAS
PRELIMINARY DATA SHEET
HAL 800
Programmable Linear
Hall Effect Sensor
Edition Oct. 20, 1999
6251-441-1DS
MICRONAS









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HAL800 Даташит, Описание, Даташиты
HAL 800
Contents
Page
Section
3 1.
3 1.1.
3 1.2.
4 1.3.
4 1.4.
4 1.5.
4 1.6.
4 1.7.
5 2.
5 2.1.
7 2.2.
9 2.3.
9 2.3.1.
10 2.3.2.
11 3.
11 3.1.
11 3.2.
11 3.3.
12 3.4.
12 3.5.
13 3.6.
14 3.7.
14 3.8.
17 4.
17 4.1.
17 4.2.
18 4.3.
18 4.4.
19 5.
19 5.1.
19 5.2.
21 5.3.
22 5.4.
23 5.5.
23 5.6.
24 6.
Title
Introduction
Major Applications
Features
Marking Code
Operating Junction Temperature Range (TJ)
Hall Sensor Package Codes
Solderability
Pin Connections and Short Descriptions
Functional Description
General Function
Digital Signal Processing and EEPROM
Calibration Procedure
General Procedure
Calibration of Angle Sensor
Specifications
Outline Dimensions
Dimensions of Sensitive Area
Position of Sensitive Area
Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
Magnetic Characteristics
Typical Characteristics
Application Notes
Application Circuit
Temperature Compensation
Ambient Temperature
EMC and ESD
Programming of the Sensor
Definition of Programming Pulses
Definition of the Telegram
Telegram Codes
Number Formats
Register Information
Programming Information
Data Sheet History
2
Micronas









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HAL800 Даташит, Описание, Даташиты
HAL 800
Programmable Linear Hall Effect Sensor
1. Introduction
The HAL 800 is an universal magnetic field sensor with
a linear output based on the Hall effect. The IC is
designed and produced in sub-micron CMOS technol-
ogy and can be used for angle or distance measure-
ments if combined with a rotating or moving magnet.
The major characteristics like magnetic field range,
sensitivity, output quiescent voltage (output voltage at
B = 0 mT), and output voltage range are programma-
ble in a non-volatile memory. The sensor has a ratio-
metric output characteristic, which means that the out-
put voltage is proportional to the magnetic flux and the
supply voltage.
The HAL 800 features a temperature compensated
Hall plate with choppered offset compensation, an A/D
converter, digital signal processing, a D/A converter
with output driver, an EEPROM memory with redun-
dancy and lock function for the calibration data, a serial
interface for programming the EEPROM, and protec-
tion devices at all pins. The internal digital signal pro-
cessing is of great benefit because analog offsets,
temperature shifts, and mechanical stress do not
degrade the sensor accuracy.
The HAL 800 is programmable by modulating the sup-
ply voltage. No additional programming pin is needed.
The easy programmability allows a 2-point calibration
by adjusting the output voltage directly to the input sig-
nal (like mechanical angle, distance or current). An
individual adjustment of each sensor during the cus-
tomers manufacturing process is possible. With this
calibration procedure the tolerances of the sensor, the
magnet, and the mechanical positioning can be com-
pensated in the final assembly.
In addition, the temperature compensation of the Hall
IC can be fit to all common magnetic materials by pro-
gramming first and second order temperature coeffi-
cients of the Hall sensor sensitivity. This enables an
operation over the full temperature range with high
accuracy.
The calculation of the individual sensor characteristics
and the programming of the EEPROM memory can
easily be done with a PC and the application kit from
Micronas. The HAL 800 eases logistic because its
characteristics can be programmed in a wide range.
Therefore, one Hall IC type can be used for various
applications.
The sensor is designed for hostile industrial and auto-
motive applications and operates with typically 5 V
supply voltage in the ambient temperature range from
40 °C up to 150 °C.
The HAL 800 is available in the very small leaded
package TO-92UT.
1.1. Major Applications
Due to the sensor’s versatile programming characteris-
tics, the HAL 800 is the optimal system solution for
applications such as:
– contactless potentiometers,
– rotary position measurement,
– linear position detection,
– magnetic field and current measurement.
1.2. Features
– high precision linear Hall effect sensor with
ratiometric output
– multiple programmable magnetic characteristics
with non-volatile memory
– digital signal processing
– temperature characteristics programmable for
matching all common magnetic materials
– programmable clamping voltages
– programming with a modulation of the supply
voltage
– lock function and redundancy for EEPROM memory
operates from 40 °C up to 150 °C
ambient temperature
operates from 4.5 V up to 5.5 V supply voltage
operates with static magnetic fields and dynamic
magnetic fields up to 2 kHz
choppered offset compensation
overvoltage and reverse-voltage protection at all
pins
magnetic characteristics extremely robust against
mechanical stress
short-circuit protected push-pull output
EMC optimized design
Micronas
3










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