AS5247 datasheet(7/37 Pages) AMSCO

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ams Datasheet: 2014-Jun-20 [v1-02]

AS5247 – 7

Ma g n etic C h arac teristics

Figure 7:

Magnetic Specifications

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

1. It is possible to operate the AS5247 below 35mT with reduced noise performance.

Figure 8:

System Specifications

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Orthogonal magnetic

field strength, normal

operating mode

Required orthogonal component of

the magnetic field strength measured

at the die's surface along a circle of

1.1mm

Symbol

Parameter

Conditions

Min

Typ

Max

Units

RES

Core resolution

bit

RES_ABI

Resolution of the ABI

interface

Programmable with

(ABIRES)

bit

INLOPT @ 25°C

Non-linearity, optimum

placement of the

magnet

±0.8

Deg

INLOPT+TEMP

Non-linearity optimum

placement of the

magnet over the full

Temperature Range

±1

Deg

INLDIS+TEMP

Non-linearity @

displacement of

magnet and

temperature -40°C to

150°C

Assuming N35H

Magnet

(D=8mm, H=3mm)

500um displacement

in x and y

z-distance @ 2000um

±1.2

Deg

ONL

RMS output noise

(1 sigma)

Orthogonal

component for the

magnetic field within

the specified range

(Bz), NOISESET= 0

0.068

degree

ONH

RMS output noise

(1 sigma) on SPI, ABI

and UVW interfaces

Orthogonal

component for the

magnetic field within

the specified range

(Bz), NOISESET= 1

0.082

degree

Magnetic Characteristics

System Characteristics

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