TLE4997E2 Infineon Technologies, TLE4997E2 Datasheet - Page 28

• Manufacturer Part Number: TLE4997E2
• Description: IC HALL SENSOR LINEAR SSO-3
• Manufacturer: Infineon Technologies
• Type: Linear - Programmabler

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