US4881 Просмотр технического описания (PDF) - Melexis Microelectronic Systems
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US4881 Datasheet PDF : 12 Pages
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US4881
Bipolar Hall Switch
Low Voltage and Very High Sensitivity
6 General Electrical Specifications
DC Operating Parameters TA = 25oC, VDD = 12V (unless otherwise specified)
Parameter
Symbol Test Conditions
Min
Supply Voltage
VDD
Operating
2.2
Supply Current
IDD
B < BRP
1.5
Output Saturation Voltage
VDSon
IOUT = 20mA, B > BOP
Output Leakage Current
IOFF
B < BRP, VOUT = 24V
Output Rise Time
tr
RL = 1kΩ, CL = 20pF
Output Fall Time
tf
RL = 1kΩ, CL = 20pF
Maximum Switching Frequency FSW
SE Package Thermal Resistance RTH
Single layer (1S) Jedec board
UA Package Thermal Resistance RTH
Table 3: Electrical specifications
Typ Max
18
5
0.5
0.01 10
0.25
0.25
10
301
200
Units
V
mA
V
µA
µs
µs
kHz
°C/W
°C/W
7 Magnetic Specifications
DC Operating Parameters TA = 25ºC, VDD = 12V (unless otherwise specified)
Parameter
Symbol
Operating Point
BOP
Release Point
BRP
Hysteresis
BHYST
Table 4: Magnetic specifications
Test Conditions
Min Typ Max Units
-1
6
mT
-6
1
mT
2
6
mT
Note: 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
Test Conditions (SE) OUT (SE) Test Conditions (UA)
South pole
B < BRP
High B > BOP
North pole
B > BOP
Low B < BRP
Table 5: Output behaviour versus magnetic pole
OUT (UA)
Low
High
South pole
North pole
North pole
South pole
OUT = high
OUT = low (VDSon)
SE package
OUT = high
OUT = low (VDSon)
UA package
3901004881
Rev 013
Page 4 of 12
Data Sheet
Mar/12
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