TLE4990

Programmable Linear Hall Sensor

Signal Processing

Data Sheet

16

V 2.4, 2005-11

6.3

Offset Setting

Note: The Offset value is fixed in the -E6782 version

The offset voltage corresponds to an output voltage with zero field at the sensor.

It can be set in 1024 steps in two different voltage ranges.

Offset Register

Table 9

Offset

Parameter

Symbol Limit Values

Unit

Notes

min.

max.

Register size

-

10

bit

Offset range

-

3

40

19

60

% of

Bipolar-Bit = 1

1)

The -E6782 version is programmed to 50%

Offset quantization

steps

0.97

1.22

mV

Bipolar-Bit = 1

2)

Offset

9

8

7

6

5

4

3

2

1

0

OS9 ... OS0

Table 10

Offset Register Setting

Offset

OS

BIP

Remark

Dec.

Bin. (OS9 ... OS0)

3% of

0

0000000000

0

Unipolar

40% of

0

0000000000

1

Bipolar

19% of

1023

1111111111

0

Unipolar

60% of

1023

1111111111

1

Bipolar