MLX92221LSE-AAA-002 Datasheet, PDF (5/11 Pages) Melexis Microelectronic Systems – 2-Wire Hall Effect Latch

MLX92221LSE-AAA-002
2-Wire Hall Effect Latch
5 Magnetic Specifications
Magnetic &
Temperature
Coefficient Option
Code Combination
Test Conditions
High Sensitivity +
NdFeB TC match
T_J = -40°C
T_J = 25°C
T_J = 150°C
Operating Point
B_OP (mT)
Min Typ Max
4.1 6.8 9.6
4.1 6 7.9
1.8 4.5 7.1
Release Point
B_RP (mT)
Min Typ Max
-9.6 -6.8 -4.1
-7.9 - 6 -4.1
-7.1 -4.5 -1.8
Table 1: Magnetic Switching Points & Temperature Coefficient combination
Temperature coefficient is calculated using the following formula:
B_{OPT 2}
B_{OP25o C}
B_{OPT 1}
T₂ T₁
*10⁶ , ppm / ^o C;T₁
25^o C;T₂
150^o C
Temperature
Coefficient
(ppm/^oC)
Typ
-2000
6 Magnetic Behaviour
6.1 Latch sensor
Parameter
Option 1
Pole Active
South
Note: Latch sensor are inherently Direct South or Direct North Pole Active only.
Current level
IDD = ION
IDD = IOFF
B_RP
0mT
B_OP
Flux density
Fig.1 –South Pole Active
390109222102 Rev. 1
Page 5 of 11
March/12