AS5601 datasheet(29/44 Pages) AMSCO

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ams Datasheet

Page 29

[v1-07] 2016-Sep-09

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AS5601 − Register Description

Figure 28:

Magnetic Field Threshold Over Time

Step Response and Filter Settings

The AS5601 has a digital post-processing programmable filter

which can be set in fast or slow modes. The fast filter mode can

be enabled by setting a fast filter threshold in the FTH bits of

the CONF register.

If the fast filter is OFF, the step output response is controlled by

the slow linear filter as shown in Figure 30. The step response

of the slow filter is programmable with the SF bits in the CONF

for the different SF bit settings.

Figure 29:

Step Response Delay vs. Noise Band

Step Response

Delay (ms)

Max. RMS Output Noise

(1 Sigma) (Degree)

2.2

0.015

1.1

0.021

0.55

0.030

0.286

0.043

PUSHTHR

time

Long time averaged

magnetic field

Long time averaged

magnetic field

Push detection

treshold

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