Two-Wire Hall Effect Sensor
MICRONAS
ADVANCE INFORMATION
HAL571, 573...575, HAL581, 584 Two-Wire Hall Effect Sensor Family
Edition Oct. 11, 2000 6...
Description
MICRONAS
ADVANCE INFORMATION
HAL571, 573...575, HAL581, 584 Two-Wire Hall Effect Sensor Family
Edition Oct. 11, 2000 6251-538-1AI
MICRONAS
HAL57x, HAL58x
Contents
Page
Section
3 1. 3 1.1. 3 1.2. 4 1.3. 4 1.4. 4 1.5. 4 1.6.
5 2.
6 3. 6 3.1. 6 3.2. 6 3.3. 7 3.4. 7 3.5. 8 3.6. 9 3.7.
12 4. 12 4.1. 13 4.2. 14 4.3. 15 4.4. 16 4.5. 17 4.6.
18
More View
5. 18 5.1. 18 5.2. 18 5.3. 19 5.4. 19 5.5.
20 6.
Title
Introduction Features Family Overview Marking Code Operating Junction Temperature Range Hall Sensor Package Codes Solderability
Functional Description
Specifications Outline Dimensions Dimensions of Sensitive Area Positions of Sensitive Areas Absolute Maximum Ratings Recommended Operating Conditions Electrical Characteristics Magnetic Characteristics Overview
Type Descriptions HAL 571 HAL 573 HAL 574 HAL 575 HAL 581 HAL 584
Application Notes Application Circuit Extended Operating Conditions Start-up Behavior Ambient Temperature EMC and ESD
Data Sheet History
ADVANCE INFORMATION
2 Micronas
ADVANCE INFORMATION
HAL57x, HAL58x
Two-Wire Hall Effect Sensor Family in CMOS technology
1. Introduction
This sensor family consists of different two-wire Hall switches produced in CMOS technology. All sensors change the current consumption depending on the external magnetic field and require only two wires between sensor and evaluation circuit. The sensors of this family differ in the magnetic switching behavior and switching points.
The sensors include a temperature-compensated Hall plate with active offset compensation, a comparator, and a current source. The comparator compares the actual magnetic flux through the Hall plate (Hall voltage) with the fixed reference values (switching points). Accordingly, the current source is switched on (high current consumption) or off (low current consumption).
The active offset compensation leads to constant magnetic characteristics in the full supply voltage and temperature range. In addition, the magnetic parameters are robust against mechanical stress effects.
The sensors are designed for industrial and automotive applications and operate with supply voltages from 3.75 V to 24 V in the junction temperature range from –40 °C up to 140 °C. All sensors are available in the SMD-package SOT-89B and in the leaded version TO-92UA.
1.1. Features:
– current output for two-wire applications
– low current consumption: 5 mA ... 6.9 mA
– high current consumption: 12 mA ... 17 mA
– junction temperature range from –40 °C up to 140 °C.
– operates from 3.75 V to 24 V supply voltage
– operates with static magnetic fields and dynamic magnetic fields up to 10 kHz
– switching offset compensation at typically 145 kHz
– overvoltage and reverse-voltage protection
– magnetic characteristics are robust against mechanical stress effects
– constant magnetic switching points over a wide supply v
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