TLE4953 Datasheet, PDF (12/20 Pages) Infineon Technologies AG – Differential Two-Wire Hall Effect Sensor IC

TLE4953
TLE4953C
AC/DC Characteristics
All values specified at constant amplitude and offset of input signal, over operating range, unless
otherwise specified. Typical values correspond to V_CC=12V and T_A=25°C
Parameter
Symbol
Limit Values
Unit Remarks
min. typ. max.
Supply current
I_Low
5.9 7
Supply current
I_High
11.8 14
Supply current ratio
I_High/I_Low 1.9
–
Output rise/fall slew rate t_r, t_f
TLE4953
12 –
8.4 mA
16.8 mA
–
26
mA/µs R_M = 75 Ω
T_j ≤ 170 °C
See Figure 5
Output rise/fall slew rate t_r, t_f
TLE4953C
8
–
26
mA/µs R_M = 75 Ω
T_j ≤ 170 °C
See Figure 5
Current ripple dI_X/dV_CC I_X
Limit threshold speed
0Hz ≤ f ≤ 2500 Hz
2500 Hz ≤ f ≤ 12000 Hz
∆B_Limit
–
–
0.35 0.8
90 µA/V Only valid for
TLE4953
mT
1)
1.5
1.75
Limit differential direction ∆B_Dir
signal
0Hz ≤ f ≤ 1100 Hz
mT
0.35 0.73
Calculated at two
consecutive
threshold
crossings²⁾
Initial calibration delay t_d,input
–
300 345 µs
Additional to n_start
time
Magnetic edges required n_start
for first output pulse
(no previous vibration
detected)
–
–
2
magn. pulse occurs only
edges on rising
magnetic edge
Number of pulses in
uncalibrated mode
n_DZ-Startup
2
pulses 3^rd pulse
calibrated
Number of emitted pulses n_DR-Start –
–
2⁴⁾
pulses 3^rd pulse correct
with invalid direction
information³⁾
Frequency
f
0
–
12000 Hz
4)
Data Sheet
9
V 4.0, 2010-04