mlx90224 Melexis Company, mlx90224 Datasheet

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mlx90224

Manufacturer Part Number
mlx90224
Description
Dual Hall Effect Latch
Manufacturer
Melexis Company
Datasheet
Features and Benefits
Chopper Stabilized Amplifier Stage
CMOS for Optimum Stability, Quality and Cost
Dual Output
5V to 24V Operation
Phase/Direction Detection (option code B)
Applications
Direction Detector
Speed Sensor
Shaft Encoding
Position Sensing
Ordering Information
Part No.
MLX90224
MLX90224
1. Functional Diagram
3901090224
Rev. 005
Pin 1
Pin 2
Pin 3
Pin 4
Regulator
Voltage
1
MLX90224EVA-A
Switch Plate 1
Switch Plate 2
GND
V
DD
Chopper
Chopper
Replaced with Logic for
Temperature Suffix
E (-40°C to 85°C)
E (-40°C to 85°C)
MLX90224 B
3
MLX90224EVA-B
Direction
Speed
GND
V
DD
2
4
Page 1 of 10
Package Code
2. Description
The MLX90224 series are dual Hall effect
switches. It includes two Hall effect switch
functions of which typical thresholds are +/- 2.0
mT. In each switch, the magnetic flux detection
is performed by a switched silicon Hall plate.
The B
and give a sensitivity temperature coefficient of
500 ppm/
The MLX90224LVAA output transistor will be
“switched on” (B
sufficiently strong South pole magnetic field
facing the marked side of the package. Similarly,
the output will be “switched off” (B
presence of a North field. Spacing on the plates
is 1.85mm.
The MLX90224LVAB serie is designed for
direction detection with a high speed chopper.
The output structure is an Open-Drain NMOS
transistor with a capability of 25 mA.
VA
VA
OP
and B
o
C to compensate popular magnets.
Dual Hall Effect Switch
RP
are temperature-compensated
Option code
OP
) in the presence of a
MLX90224
A
B
Data Sheet
RP
) in the
July/03

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mlx90224 Summary of contents

Page 1

... Switch Plate 2 3901090224 Rev. 005 Package Code Description The MLX90224 series are dual Hall effect switches. It includes two Hall effect switch functions of which typical thresholds are +/- 2.0 mT. In each switch, the magnetic flux detection 2 is performed by a switched silicon Hall plate. The B ...

Page 2

... ORDERING INFORMATION......................................................................................................................... 1 1. FUNCTIONAL DIAGRAM................................................................................................................... 1-1 2. DESCRIPTION.................................................................................................................................... 2-1 3. GLOSSARY OF TERMS ....................................................................................................................... 3 4. ABSOLUTE MAXIMUM RATINGS ....................................................................................................... 3 5. MLX90224 ELECTRICAL SPECIFICATIONS ...................................................................................... 3 6. MLX90224 SENSOR SPECIFIC SPECIFICATIONS ............................................................................ 4 7. GENERAL DESCRIPTION .................................................................................................................... 4 8. PERFORMANCE GRAPHS................................................................................................................... 5 9. APPLICATIONS INFORMATION .......................................................................................................... 6 10. RELIABILITY INFORMATION............................................................................................................... 8 11. ESD PRECAUTIONS............................................................................................................................. 8 12. PACKAGE INFORMATION................................................................................................................... 9 13. DISCLAIMER ....................................................................................................................................... 10 3901090224 Rev ...

Page 3

... Storage Temperature Range Maximum Junction Temp Magnetic Flux Density Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute- maximum-rated conditions for extended periods may affect device reliability. 5. MLX90224 Electrical Specifications DC Operating Parameters T = -40 A Parameter Symbol Supply Voltage ...

Page 4

... South magnetic poles on the circumference of the target. An example of the basic physical arrangement of the sensor and magnet is shown in Fig. 1. The MLX90224 is available in 2 versions. The first version provides the user with two digital output signals. Output S1 will provide a speed pulse from the changing magnetic flux at sensing element S1 ...

Page 5

... Supply Voltage (V) 3901090224 Rev. 005 90224 A, B 120 160 200 o C) 90224 Page MLX90224 Dual Hall Effect Switch Output Voltage versus Flux Density 90224 sat ...

Page 6

... Automotive Protection Circuit MLX 90224 R1 5. 332 C1 = 10nF C2 = 2.2nF In severe cases it may be necessary to include a Zener diode to clamp positive interference and Schottky diodes to clamp negative excursions. Page MLX90224 Dual Hall Effect Switch Output Output Data Sheet July/03 ...

Page 7

... MLX90224, LVAA version 60 Magnetic Field ( -20 -40 Out 1 Out 2 0 Timing diagram when applied a B1-B2 quadratic magnetic field on MLX90224, LVAB version (direction and speed 50 Magnetic Field ( -50 Signal from Plate 1 Signal from Plate 2 Speed output Direction output ...

Page 8

... For more information on manufacturability/solderability see quality page at our website: http://www.melexis.com/ 11. ESD Precautions Electronic semiconductor products are sensitive to Electro Static Discharge (ESD). Always observe Electro Static Discharge control procedures whenever handling semiconductor products. 3901090224 Rev. 005 MLX90224 Dual Hall Effect Switch Page Data Sheet July/03 ...

Page 9

... Hall Plates 2.700 0.25 x 0.25 1.700 2.180 Marked Surface All Dimensions in millimeters Pin 1 Vdd Pin 2 Latch Plate 1/ Speed Pin 3 GND Pin 4 Latch Plate 2 / Direction =Part Number MLX90224 = Version A (double latch) (XB) = Version B (Speed-Direction) =Lot Number =Date Code Data Sheet 0.387 0.289 July/03 ...

Page 10

... Or for additional information contact Melexis Direct: Europe and Japan: Phone: + E-mail: sales_europe@melexis.com 3901090224 Rev. 005 Dual Hall Effect Switch www.melexis.com All other locations: Phone: +1 603 223 2362 E-mail: sales_usa@melexis.com Page QS9000, VDA6.1 and ISO14001 Certified MLX90224 Data Sheet July/03 ...

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