TLE4998P3 Datasheet, PDF (21/34 Pages) Infineon Technologies AG – Programmable Linear Hall Sensor

TLE4998P
Signal Processing
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.
Table 13 Clamping
Parameter
Symbol Limit Values
min. max.
Register size
CL,CH
2x7
Clamping duty cy. low CY_CLPWM 0
Clamping duty cy. high CY_CHPWM 0
Clamping quantization ∆CY_CxPWM
steps
100
100
0.78
1) _{For CL = 0 and CH = 127 the clamping function is disabled}
2) _{CYCLPWM< CYCHPWM mandatory}
3) _{Quantization starts for CL at 0% and for CH at 100%}
The clamping values are calculated by:
Unit
bit
%
%
%
Notes
1)
1) 2)
3)
Clamping duty cycle low (deactivated if CL=0):
CY_CLPWM
=
C-----L-----⋅_---3---2-
4096
Clamping duty cycle high (deactivated if CH=127):
CY_CHPWM
=
(_{---C----H------+-----1---})_----⋅_{---3---2---–----1-}
4096
Data Sheet
21
V 1.0, 2008-07