ams Datasheet

Page 7

[v1-02] 2014-Oct-29

Document Feedback

AS5601 − Electrical Characteristics

Magnetic Characteristics

Figure 9:

Magnetic Characteristics

System Characteristics

Figure 10:

System Characteristics

Note(s) and/or Footnote(s):

1. An infinite fast change <180deg results in angle output with maximum configured update frequency.

2. An infinite fast change >= 180deg results in angle output to the shortest next absolute position with maximum configured update

frequency. e.g. A change from 0 to 270deg will be indicated as angle output from 0 to -90deg.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Bz

Orthogonal magnetic field

strength, regular output

noise ON_SLOW and

ON_FAST

Required orthogonal component

of the magnetic field strength

measured at the die's surface

along a circle of 1 mm

30

60

90

mT

Bz_ERROR

Minimum required

orthogonal magnetic field

strength, magnet

detection level

8mT

Symbol

Parameter

Conditions

Min

Typ

Max

Units

RES

Core Resolution

12

bit

RES_AB

A/B output resolution

8

2048

positions

VMAX_AB

Maximum rotation

speed for

incremental output

Continuous Rotation ≥ 360deg (1), (2)

456

rpm

INL_BL

System INL

Deviation from best line fit; 360°

maximum angle, no magnet

displacement, no

zero-programming performed

±1

degree

ON_SLOW

RMS output noise

(1 sigma)

Orthogonal component for the

magnetic field within the specified

range Bz, after 2.2 ms; SF = 00

0.015

degree

ON_FAST

RMS output noise

(1 sigma)

Orthogonal component for the

magnetic field within the specified

range Bz, after 286 μs; SF = 11

0.043

degree