TLE4998P3 datasheet(21/34 Pages) INFINEON

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TLE4998P

Signal Processing

Data Sheet

V 1.0, 2008-07

6.5

Clamping

The clamping function is useful for splitting the output voltage range into operating range

and error ranges. If the magnetic field is outside the selected measurement range, the

output value

OUT is limited to the clamping values.

The clamping values are calculated by:

Clamping duty cycle low (deactivated if CL=0):

Clamping duty cycle high (deactivated if CH=127):

Table 13

Clamping

Parameter

Symbol

Limit Values

Unit

Notes

min.

max.

CL,CH

2 x 7

bit

Clamping duty cy. low

CYCLPWM

100

1) For CL = 0 and CH = 127 the clamping function is disabled

Clamping duty cy. high

CYCHPWM

100

1) 2)

2) CY

CLPWM< CYCHPWM mandatory

Clamping quantization

steps

∆CY

CxPWM

0.78

3) Quantization starts for CL at 0% and for CH at 100%

CLPWM

CL 32

⋅

4096

------------------

CHPWM

() 32 1

–

⋅

4096

----------------------------------------

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