TLE5012 datasheet(52/57 Pages) INFINEON

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TLE5012

Specification

Target Data Sheet

V 0.46, 2009-09

3.6

Test Structure

3.6.1

ADC Test Vectors

It is possible to feed the ADCs with appropriate values to simulate a certain magnet position and other GMR

effects. This test can be activated within SIL register (ADCTV_EN). With ADCTV_Y and ADCTV_X the vector

length can be adjusted like Figure 26.

The values are generated with resistors on the chip.

The following X/Y ADC values can be programmed:

•

4 points, circle amplitude = 70% (0°,90°, 180°, 270°)

•

8 points, circle amplitude = 100% (0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°)

•

8 points, circle amplitude = 122.1% (35.3°, 54.7°, 125.3°, 144.7°, 215.3°, 234.7°, 305.3°, 324.7°)

•

4 points, circle amplitude = 141.4% (45°, 135°, 225°, 315°)

Figure 26

ADC Test Vectors

Index

t0°

µs

0°

t90°

µs

90°

t180°

µs

180°

t270°

µs

270°

Table 18

Incremental Interface (cont’d)

Parameter

Symbol

Values

Unit

Note / Test Condition

Min.

Typ.

Max.

ADCTV_X

ADCTV_Y

122.1%

100.0%

70%

141.4%

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