HAL1821UA-A Datasheet, PDF (11/14 Pages) Micronas – Linear Hall-Effect Sensor Family in SOT89B Package

DATA SHEET
HAL 1821...HAL 1823
3.7. Magnetic Characteristics
at Recommended Operating Conditions if not otherwise specified in the column ’Test Conditions’,
T_J =40 °C to +170 °C (for temperature type A), V_SUP = 4.5 V to 5.5 V.
Typical Characteristics for T_A = 25 °C and V_SUP = 5 V.
Symbol
Parameter
Sens
Sensitivity
ES
Sens_Life
Sensitivity Error over
Temperature Range
Sensitivity Drift (beside
temperature drift)¹⁾
Pin No.
3
3
Values
Min. Typ. Max.
47.5
28.43
22.25
50.0
31.25
25.0
52.5
34.07
27.75
6
0
6

2

B_OFFSET Magnetic offset
3
1.4 0
1.4
2.3 0
2.3
2.8 0
2.8
B_OFFSET Magnetic offset drift over 3
Temperature Range
B_OFFSET(T)  B_OFFSET
(25 °C)
B_Hysteresis Magnetic Hysteresis¹⁾
3
1) _{Not tested, characterized only}
950 0
950 0
1015 0
20 0
950
950
1015
20
Unit
mV/mT
%
%
mT
µT
µT
Test Conditions
HAL1821; T_J = 25°C
HAL1822; T_J = 25°C
HAL1823; T_J = 25°C
T_J = 25°C; after tem-
perature cycling and
over life time
HAL1821
HAL1822
HAL1823
B = 0 mT, T_A = 25 °C
HAL1821
HAL1822
HAL1823
B = 0 mT
Range = 40 mT
Micronas
Aug. 2, 2013; DSH000162_001EN
11