tle5010 Infineon Technologies Corporation, tle5010 Datasheet - Page 20

• Manufacturer Part Number: tle5010
• Description: Gmr Based Angular Sensor
• Manufacturer: Infineon Technologies Corporation

Draft
5.5
5.5.1
The X and Y signals at the output can be described with following equations:
A
O
5.5.2
Temperature dependent Offset Value
To increase the accuracy, the temperature dependent offset drift can be compensated.
The temperature of the chip has to be read out. The Offset values
be multiplied with the Offset temperature coefficient and the temperature value.
O
T
T
S
Measurement” on Page
Preliminary Data Sheet
X
X
25
T
X
X
: Temperature value in digits
: Phase error of X (= cos) Signal
25 ,
: Amplitude of X (= cos) Signal
: Sensitivity of the temperature measurement path, (see chapter
: Offset of X (= cos) Signal
: Temperature value at 25°C in digits
O
Y
25
Angle Calculation
Components of the Output Signals
GMR Error Compensation
: Offset value at 25°C in digits
O
O
X
46).
Y
X
Y
=
=
=
=
A
A
O
O
X
Y
X25
Y25
cos
sin
+
+
KT
------------- -
KT
------------- -
20
A
O
S
S
Y
Y
Y
T
T
OX
OY
: Phase error of Y (= sin) Signal
: Amplitude of Y (= sin) Signal
: Offset of Y (= sin) Signal
+
+
Electrical and Magnetic Parameters
Y
X
T
T
+
+
–
–
O
O
T
T
Y
25
25
X
O
X
and
“Temperature
V 0.9, 2007-05
O
TLE5010
Y
have to