TLE4997E2 Infineon Technologies, TLE4997E2 Datasheet - Page 28
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TLE4997E2
Manufacturer Part Number
TLE4997E2
Description
IC HALL SENSOR LINEAR SSO-3
Manufacturer
Infineon Technologies
Type
Linear - Programmabler
Datasheet
1.TLE4997E2.pdf
(34 pages)
Specifications of TLE4997E2
Sensing Range
-200mt Trip ~ 200mT Release
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
10mA
Current - Output (max)
1mA
Output Type
Analog, Ratiometric
Operating Temperature
-40°C ~ 150°C
Package / Case
3-SIP, SSO-3-10
Operating Supply Voltage
5 V
Mounting Style
Through Hole
Maximum Operating Temperature
+ 150 C
Minimum Operating Temperature
- 40 C
Maximum Output Current
30 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
SP000235288
8.1
The parameters TC
Now the output V
calculated by:
B
S
S
S
The pre-calibration at Infineon is performed such that the following condition is met:
Within the application, an additional factor
magnetic system.
is satisfied:
Therefore, the new sensitivity parameters
pre-calibrated setup
Data Sheet
FSR
o
TC
TCHall
is the nominal sensitivity of the Hall probe times the Gain factor set in the EEPROM.
is the temperature-dependent sensitivity factor calculated by the DSP.
is the full range magnetic field. It is dependent on the range setting (e.g 100 mT).
is the temperature behavior of the Hall probe.
Parameter Calculation
--------------------
B
B
IN
IN
(
T ( )
S
T
OUT
V
TC
1
0
OUT
, TC
S
)
TC
needs now to be modified to
×
for a given field
S
using the relation:
2
=
TCnew
and T
--------------------
B
------------ -
B
S
B
B
TC
TC
IN
TC
FSR
IN
IN
T ( ) S
(
0
(
T ( )
T
2
1
T
may be calculated by:
×
0
J
×
=
=
T
)
S
–
×
0
TC
TQ
-----------------------
TL
--------------------- -
T
TCHall
8388608
S
=
65536
0
TCnew
)
×
B
–
16TR 48
–
×
IN
S
28
160
128
TCHall
S
T ( )
TCHall
at a specific temperature can be roughly
B
T ( )
IN
×
×
–
S
≈
(T) /
1000000
TCnew
1000000
≈
S
×
S
(
TC
S
TCnew
S o
T
TC
J
B
T ( )
)
×
IN
≈
T ( )
can be calculated from the
V
(T0) will be given due to the
Temperature Compensation
1
×
so that the following condition
DD
S
TCHall
+
V
OS
T ( )
≈
1
V 2.08, 2008-09
TLE4997