TLE5011 datasheet(21/45 Pages) INFINEON

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TLE5011

Specification

Final Data Sheet

V2.0, 2011-03

3.6.3

GMR Parameters after Calibration

After calibration under the conditions specified in Table 9 “GMR test calibration conditions at IFX” on Page 19,

the sensor has a remaining error as shown in Table 10.

The error value refers to B

Z = 0 mT and operating conditions given in Table 3 “Operating Range” on Page 14.

3.7

Signal Processing

Table 10

GMR Parameter with Temperature-Dependent Offset Compensation

Parameter

Symbol

Limit Values

Unit

Notes

min.

typ.

1) At 25°C, B=30mT

max.

Overall Angle Error

err

0.7

1.6

Including temperature drift

2) 3)

2) Including hysteresis error

3) At 0h

2.2

Including lifetime and

temperature drift

2) 4)

4) Not subject to production test - verified by design/characterization

Table 11

Signal Processing

Parameter

Symbol

Limit Values

Unit

Notes

min.

typ.

1) For 4-MhHz input frequency

max.

Internal Cutoff

Frequency (-3dB)

of sin or cos Value

fCut-Off

4.9

kHz

FIR_BYP=0

19.6

FIR_BYP=1

Update Time of

sin or cos Value

2) t

upd = 8192 / (25 x fCLK) for FIR_BYP = 0

upd = 8192 / (100 x fCLK) for FIR_BYP = 1

tupd

81.9

µs

FIR_BYP=0

20.5

FIR_BYP=1

Settle Time

3) t

settle =2xtupd , after change of ADC input source

tsettle

-163.8

FIR_BYP=0

41.0

FIR_BYP=1

Peak ADC Output value ADC

23230

digits

Signed 16-bit integer

(2s complement)

4) 5) 6)

4) Output values are valid up to this limit. Above it, corrupted results may occur due to non-linearity of the ADC.

5) One digit typically represents 5.166 µV

6) Corresponds to max. GMR output value

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