US4881
Bipolar Hall Switch
Low Voltage & Very High Sensitivity
6 General Electrical Specifications
DC Operating Parameters T
A
= 25 C, V
DD
= 12V (unless otherwise specified)
Parameter
Symbol
Supply Voltage
V
DD
Supply Current
I
DD
Output Saturation Voltage
V
DSon
Output Leakage Current
I
OFF
Output Rise Time
t
r
Output Fall Time
t
f
Maximum Switching Frequency
F
SW
SO Package Thermal Resistance
R
TH
UA Package Thermal Resistance
R
TH
Table 3: Electrical specifications
Test Conditions
Operating
B < B
RP
I
OUT
= 20mA, B > B
OP
B < B
RP,
V
OUT
= 24V
R
L
= 1kΩ, C
L
= 20pF
R
L
= 1kΩ, C
L
= 20pF
Min
2.2
1.5
Typ
Max
18
5
0.5
10
Units
V
mA
V
µA
µs
µs
KHz
°C/W
°C/W
o
0.01
0.25
0.25
10
350
200
7 Magnetic Specifications
DC Operating Parameters T
A
= 25 C, V
DD
= 12V (unless otherwise specified)
Parameter
Symbol
Operating Point
B
OP
Release Point
B
RP
Hysteresis
B
HYST
Table 4: Magnetic specifications
Test Conditions
Min
-1
-6
2
Typ
Max
6
1
6
Units
mT
mT
mT
o
Note 1: For typical values, please refer to the performance graphs in section 11
8 Output Behaviour versus Magnetic Pole
DC Operating Parameters T
A
= -40 C to 150 C, V
DD
= 2.2V to 18V (unless otherwise specified)
Parameter
Test Conditions (SO) OUT (SO) Test Conditions (UA)
South pole
B < B
RP
High
B > B
OP
North pole
B > B
OP
Low
B < B
RP
Table 5: Output behaviour versus magnetic pole
OUT (UA)
Low
High
o
o
South pole
North pole
North pole
OUT = high
South pole
OUT = low (V
DSon
)
UA package
OUT = high
OUT = low (V
DSon
)
SO package
3901004881
Rev 011
Page 4 of 11
Data Sheet
Feb/06
MELEXIS [ Melexis Microelectronic Systems ]
