TLE4921-3U Datasheet, PDF (6/19 Pages) Infineon Technologies AG – Dynamic Differential Hall Effect Sensor IC

TLE 4921-3U
Operating Range
Parameter
Supply voltage
Junction temperature
Pre-induction
Differential induction
Symbol Limit Values
min.
max.
V_S
4.5
24
T_j
– 40
170
B₀
– 500 500
∆B
– 80
80
Unit Remarks
V–
°C –
mT at Hall probe;
independent of
magnet orientation
mT –
Note: In the operating range the functions given in the circuit description are fulfilled.
AC/DC Characteristics
Parameter
Symbol Limit Values
min. typ. max.
Supply current
I_S
4.7 6.1 8.0
5.1 6.7 8.8
Output saturation
voltage
Output leakage
current
Center of
switching points:
(∆B_OP + ∆B_RP) / 2
Operate point
V_QSat
I_QL
∆B_m
∆B_OP
Release point
∆B_RP
Hysteresis
∆B_Hy
Overvoltage
protection at supply V_SZ
voltage at output V_QZ
Output rise time
t_r
–
0.25 0.6
–
– 10
–1 0 1
–
–0
0
––
0.5 1.5 2.5
27 – 35
27 – 35
–
– 0.5
Unit Test Condition Test
Circuit
mA V_Q = high
1
I_Q = 0 mA
mA V_Q = low
1
I_Q = 40 mA
V I_Q = 40 mA
1
µA V_Q = 24 V
1
mT – 20 mT < ∆B < 2
20 mT ^{1) 2)}
f = 200 Hz
mT f = 200 Hz,
2
∆B = 20 mT
mT f = 200 Hz,
2
∆B = 20 mT
mT f = 200 Hz,
2
∆B = 20 mT
V I_S = 16 mA
1
V I_S = 16 mA
1
µs I_Q = 40 mA
1
C_L = 10 pF
Data Sheet
6
2000-07-01