US4881
Bipolar Hall Switch
Low Voltage & Very High Sensitivity
6 General Electrical Specifications
DC Operating Parameters TA = 25oC, VDD = 12V (unless otherwise specified)
Parameter
Symbol
VDD
IDD
VDSon
IOFF
tr
Test Conditions
Operating
B < BRP
IOUT = 20mA, B > BOP
B < BRP, VOUT = 24V
Min
2.2
1.5
Typ
Max
18
5
0.5
10
Units
V
mA
V
Supply Voltage
Supply Current
Output Saturation Voltage
Output Leakage Current
Output Rise Time
0.01
0.25
0.25
10
350
200
µA
µs
µs
KHz
°C/W
°C/W
RL = 1kΩ, CL = 20pF
RL = 1kΩ, CL = 20pF
Output Fall Time
tf
Maximum Switching Frequency
SO Package Thermal Resistance
UA Package Thermal Resistance
FSW
RTH
RTH
Table 3: Electrical specifications
7 Magnetic Specifications
DC Operating Parameters TA = 25oC, VDD = 12V (unless otherwise specified)
Parameter
Operating Point
Release Point
Hysteresis
Symbol
BOP
BRP
Test Conditions
Min
-1
-6
Typ
Max
Units
mT
mT
6
1
6
BHYST
2
mT
Table 4: Magnetic specifications
Note 1: For typical values, please refer to the performance graphs in section 11
8 Output Behaviour versus Magnetic Pole
DC Operating Parameters TA = -40oC to 150oC, VDD = 2.2V to 18V (unless otherwise specified)
Parameter
South pole
North pole
Test Conditions (SO) OUT (SO) Test Conditions (UA) OUT (UA)
B < BRP
B > BOP
High
Low
B > BOP
B < BRP
Low
High
Table 5: Output behaviour versus magnetic pole
South pole
North pole
North pole
South pole
OUT = high
OUT = low (VDSon)
OUT = high
OUT = low (VDSon)
SO package
UA package
3901004881
Rev 011
Page 4 of 11
Data Sheet
Feb/06
MELEXIS [ Melexis Microelectronic Systems ]
