MLX92251 Datasheet, PDF (6/13 Pages) Melexis Microelectronic Systems – Dual Hall Effect Latch with Speed & Direction

MLX92251LSE
Dual Hall Effect Latch with Speed & Direction
7 Output Behaviour versus Magnetic Pole
DC Operating Parameters T_A = -40°C to 150°C, V_DD = 2.7V to 24V (unless otherwise specified)
Parameter
Test Conditions
SP Output State
South pole
B > B_OP
Low
North pole
B < B_RP
High ⁽²⁾
Table 4: Output behaviour versus magnetic pole ⁽³⁾
Direction Step H1
nx
N
n(x + 1)
N
CCW
n(x + 2)
S
n(x + 3)
S
n(x + 4) ≡ nx N
Direction Step H1
nx
N
n(x + 1)
S
CW
n(x + 2)
S
n(x + 3)
N⁽⁴⁾
n(x + 4) ≡ nx N
H2 DIR Output State
S
N
N
Low
S
S
H2 DIR Output State
S
S
N
High ⁽⁴⁾
N⁽⁴⁾
S
2 Default SP output state during power-up
3 Magnetic pole applied perpendicularly to Hall plate “H1”, facing the branded/top side of the package
4 Default magnetic and DIR output state during power-up
390109225103
Rev 002
Page 6 of 13
Datasheet
April/13