AS5170 datasheet(7/47 Pages) AMSCO

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ams Datasheet

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[v1-01] 2016-Apr-11

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AS5170 − Electrical Characteristics

All tolerances that are defined for external components in this

datasheet, are needed to be assured over the whole operation

conditions range and also over lifetime.

Overall condition: TAMB = -40°C to 150°C, VDD=4.5V to 5.5V;

Components spec; unless otherwise noted.

Figure 8:

Operating Conditions

Figure 9:

Electrical System Characteristics

Note(s):

1. Reference magnet: NdFeB, 8 mm diameter, 2.5 mm thickness

Symbol

Parameter

Conditions

Min

Typ

Max Unit

VDD

Positive supply voltage

4.5

5.0

5.5

VREG

Regulated Voltage

VDD3V3 should not be loaded by

any external DC current

3.3

3.45

3.6

IDD_A

Supply current AS5170A

AGC=255 (no magnet placed)

lDD_B

Supply current AS5170B

AGC=255 (no magnet placed)

ISTART

Supply current at start-up

VREG = 2.25V

2.5

TSUP

Start-up time

Functional mode

Symbol

Parameter

Conditions

Min

Typ

Max Unit

CRES

Core resolution

bit

ARES

Analog resolution (AS5170A)

Range > 90°

bit

DRES

Digital resolution (AS5170B)

bit

INLopt

Integral non-linearity

(optimum)

Best aligned reference magnet(1)

at 25°C over full turn 360°

-0.5

0.5

deg

INLtemp

Integral non-linearity

(optimum)

Best aligned reference magnet(1)

over temperature -40ºC to 150°C

over full turn 360°

-0.9

0.9

deg

INL

Integral non-linearity

Best aligned reference magnet(1)

over temperature -40Cº to150ºC

over full turn 360º and

displacement

-1.4

1.4

deg

Output noise peak to peak

Static conditions - filter on

LSB

Sampling time

125

μs

Electrical Characteristics

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