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PDF MLX90224 Data sheet ( Hoja de datos )
| Número de pieza | MLX90224 | |
| Descripción | Dual Hall Effect Switch | |
| Fabricantes | Melexis | |
| Logotipo |  |
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MLX90224
Dual Hall Effect Switch
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
Temperature Suffix
E (-40°C to 85°C)
E (-40°C to 85°C)
Package Code
VA
VA
Option code
A
B
1. Functional Diagram
1
Voltage
Regulator
Replaced with Logic for
MLX90224 B
Chopper
2
Chopper
4
3
Pin 1
Pin 2
Pin 3
Pin 4
MLX90224EVA-A
VDD
Switch Plate 1
GND
Switch Plate 2
MLX90224EVA-B
VDD
Speed
GND
Direction
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 BOP and BRP are temperature-compensated
and give a sensitivity temperature coefficient of
500 ppm/oC to compensate popular magnets.
The MLX90224LVAA output transistor will be
“switched on” (BOP) in the presence of a
sufficiently strong South pole magnetic field
facing the marked side of the package. Similarly,
the output will be “switched off” (BRP) in the
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.
3901090224
Rev. 005
Page 1 of 10
Data Sheet
July/03
1 page  
8. Performance Graphs
Typical Magnetic Switch Points
versus
Temperature
5 90224 A, B
3
BOP
1
0
-1
BRP
-3
-5
-40
0 40
80 120 160 200
Temperature (oC)
Typical Supply Current
versus
Supply Voltage
10 90224
8
TA = -40oC
6
TA = 25oC
TA = 85 oC
4
2
0
0 5 10 15 20 25 30
Supply Voltage (V)
MLX90224
Dual Hall Effect Switch
Output Voltage
versus
Flux Density
25
VDD
20
90224 A, B
15
BRP
10
BOP
5
Vsat
0
-6 -4 -2 0 2 4
6
Flux Density (mT)
Typical Saturation Voltage
versus
Temperature
VDD = 12 V, IOUT = 20mA
500 90224
400
300
200
VDS(ON)
100
0
-40
0 40
80 120 160 200
Temperature (oC)
3901090224
Rev. 005
Page 5 of 10
Data Sheet
July/03
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MLX90224.PDF ] | |
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