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[v1-06] 2018-Jun-20

AS5600 − Register Description

Step Response and Filter Settings

The AS5600 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. The step response of the slow filter is

programmable with the SF bits in the CONF register. Figure 32

shows the tradeoff between delay and noise for the different

SF bit settings.

Figure 31:

Step Response Delay vs. Noise Band

Figure 32:

Step Response (fast filter OFF)

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

Input

Output

response

Sampling

Frequency

Settling Time

according slow filter setting

Noise

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