4

Product features

4.1

Functional description

4.1.1

Angle Accuracy

The intrinsic angle error includes all errors regarding the IC itself and does not consider mechanical or magnetic

tolerances. The mechanic or magnetic tolerances increase the angle error, but can be compensated by an end-of-line

multi-point calibration.

Table 12

Angle accuracy

Parameter

Symbol

Values

Unit

Note or condition

Min.

Typ.

Max.

Intrinsic angle

error

AEINL

-

-

0.8

°

including offset, sensitivity mismatch over

temperature assuming an ideal magnetic field

Intrinsic angle

error in

extended

magnetic range

AEINL_EXT

-

-

1.25

°

including offset, sensitivity mismatch over

temperature assuming an ideal magnetic field 1)

Intrinsic angle

accuracy

lifetime drift

AEdrift

-

-

0.2

°

-

Output noise

(RMS)

OUTnoise_1k

5Hz

-

0.05

0.1

°

for LP-Filter setting 8, 20 mT magnetic induction

and Tamb=25°C

1)

The calculation is derived from characterization and error modeling.

4.1.2

Interface timing

PWM interface timing

The following figure shows the PWM interface timing overview. The raw data is continuously filtered based on the

configured filter characteristic. This data is then sampled on an internal trigger shortly before the starting edge of the

subsequent PWM frame. Within this fixed period (from trigger to start edge) the angle is calculated using the CORDIC

algorithm and the angle data is prepared for transmission. In this way a constant delay of the angle data in respect to

the PWM start edge is achieved.

TLE49SR

Datasheet

4 Product features

Datasheet

10

Rev. 1.1.1

2024-03-13