MLX92251 Datasheet, PDF (5/13 Pages) Melexis Microelectronic Systems – Dual Hall Effect Latch with Speed & Direction

MLX92251LSE
Dual Hall Effect Latch with Speed & Direction
6 Magnetic Specifications
6.1 MLX92251LSE-AAA-000
DC Operating Parameters V_DD = 2.7V to 24V and T_A =-40°C to 150°C (unless otherwise specified)
Parameter
Symbol Test Conditions
Min Typ Max
Operating Point
Release Point
Magnetic Matching
B_OP
B_RP
B_MATCH
Magnetic Offset
B_OFF
Temperature Coefficient ⁽¹⁾
TC
Hall Sensors Spacing
-
Table 3: Magnetic specifications
BOP1 – BOP2 or BRP1 – BRP2, TA = 25°C
BOP1 – BOP2 or BRP1 – BRP2
(BOP1 + BRP1) / 2, (BOP2 + BRP2) / 2
5
7.5 10
-10 -7.5 -5
-2
2
-3
3
-2
2
0
1.45
Units
mT
mT
mT
mT
mT
ppm/°C
mm
6.2 MLX92251LSE-ABA-000
DC Operating Parameters V_DD = 2.7V to 24V and T_A =-40°C to 150°C (unless otherwise specified)
Parameter
Symbol Test Conditions
Min Typ Max
Operating Point
Release Point
Magnetic Matching
B_OP
B_RP
B_MATCH
Magnetic Offset
B_OFF
Temperature Coefficient ⁽¹⁾
TC
Hall Sensors Spacing
-
Table 3: Magnetic specifications
BOP1 – BOP2 or BRP1 – BRP2, TA = 25°C
BOP1 – BOP2 or BRP1 – BRP2
(BOP1 + BRP1) / 2, (BOP2 + BRP2) / 2
0.6
2.5 4.5
-4.5 -2.5 -0.6
-2
2
-3
3
-2
2
-1100
1.45
Units
mT
mT
mT
mT
mT
ppm/°C
mm
1 Temperature coefficient value is guaranteed by design and verified by characterization and is calculated using the following formula
( ) ^{BT 2 − BT 1}
B₂₅o _C × T₂ − T₁
*10 ⁶ , ppm / ^o C ;
T₁ = −40 ^o C ;
T₂ = 150 ^o C
390109225103
Rev 002
Page 5 of 13
Datasheet
April/13