
TLE 4921-3U
Data Sheet
7
2000-07-01
Note: The listed characteristics are ensured over the operating range of the integrated
circuit. Typical characteristics specify mean values expected over the production
spread. If not otherwise specified, typical characteristics apply at
T
j
= 25
°
C and
the given supply voltage.
Output fall time
t
f
–
–
0.5
μ
s
I
Q
= 40 mA
C
L
= 10 pF
f
= 10 kHz
B
= 5 mT
1
Delay time
3)
t
dop
t
drp
t
dop
-
t
drp
R
C
–
–
–
32
–
–
0
40
25
10
15
48
μ
s
μ
s
μ
s
k
2
Filter input
resistance
Filter sensitivity to
B
Filter bias voltage
Frequency
25
°
C
±
2
°
C
1
S
C
–
– 4
–
mV/
mT
V
–
1
V
C
f
B
m
B
Hy
0.8
–
–
2.2
20000 Hz
B
= 0
B
= 5 mT
F = 2 N
1
2
2
5)
4)
Resistivity against
mechanical stress
(piezo)
– 0.1
– 0.1
–
0.1
0.1
mT
mT
1)
Leakage currents at pin 4 should be avoided. The bias shift of
B
m
caused by a leakage current
I
L
can be
I
R
×
( )
S
C
T
calculated by:
.
2)
For higher
B
the values may exceed the limits like following
|
B
m
|
<
|
0.05
×
B
|
For definition see page 16.
3)
4)
Depends on filter capacitor
C
F
. The cut-off frequency is given by
. The switching points are
guaranteed over the whole frequency range, but amplitude modification and phase shift due to the 1
st
order
highpass filter have to be taken into account.
See page 17.
5)
AC/DC Characteristics
(cont’d)
Parameter
Symbol
Limit Values
min.
typ.
Unit Test Condition
Test
Circuit
max.
B
m
T
( )
-----------------------------
=
f
2
π
R
C
×
C
F
×
----------------------------------
=