AS5047U-HTST datasheet(15/51 Pages) AMSCO

Part #	AS5047U-HTST

Description	14-Bit On-Axis Magnetic Rotary Position Sensor with Up to 14-Bit Binary Incremental Pulse Count

PDF	51 Pages

Scroll/Zoom	100%

Manufacturer	AMSCO [ams AG]

Direct Link	http://www.ams.com

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15 / 51 page

ams Datasheet

Page 15

[v1-00] 2018-Oct-30

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AS5047U − Detailed Description

Speed Measurements

Rotation Speed Measurement

The AS5047U features an average angular velocity calculation

algorithm with 14-bit resolution. This angular velocity

information is available over SPI and can be used without

further averaging in the ECU.

Figure 16:

Angular Velocity Measurement Parameter

Figure 17:

Angular Velocity Measurement Filter Parameters

Symbol

Parameter

Min

Typ

Max

Unit

Notes

VRes

Velocity signal

resolution

bit

Two's complement

value

VRange

Measurement range

(default)

-28000

28000

rpm

VSens

Velocity sensitivity

(default)

24.141

º/s/bit

14-bit resolution

VError

Velocity total error

±5

Based on actual

rotation speed

FCutoff

Cut off frequency

16.9

68.4

231

Depending on K value

(see adaptive filter

system)

Filter Setting

Typ

Unit

Notes

K=0

5.8

°/s

RMS noise

K=1

K=2

8.4

K=3

19.8

K=4

51.8

K=5

121.9

K=6

244.9

AS5047U-HTST Datasheet(PDF) 15 Page - ams AG

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