AS5045-ASST datasheet(9/47 Pages) AMSCO

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ams Datasheet

Page 9

[v2-01] 2017-Jul-13

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AS5045 − Electrical Characteristics

Electrical System Specifications

Figure 8:

Input Specification

Symbol

Parameter

Conditions

Min

Typ

Max

Units

RES

Resolution

0.088 deg

bit

INLopt

Integral non-linearity

(optimum)

Maximum error with respect to

the best line fit. Centered

magnet without calibration,

TAMB = 25°C

± 0.5

deg

INLtemp

Maximum error with respect to

the best line fit. Centered

magnet without calibration,

TAMB = -40°C to 125°C

± 0.9

INL

Integral non-linearity

Best line fit = (Errmax – Errmin) / 2

Over displacement tolerance

with 6mm diameter magnet,

without calibration,

TAMB = -40°C to 125°C

± 1.4

deg

DNL

Differential

non-linearity

12-bit, No missing codes

±0.044

deg

Transition noise

1 sigma, fast mode

(MODE = 1)

0.06

deg

RMS

1 sigma, slow mode (MODE=0

or open)

0.03

VON

Power-on reset

thresholds:

On voltage; 300mV typ.

hysteresis

DC supply voltage 3.3V

(VDD3V3)

1.37

2.2

2.9

VOFF

Power-on reset

thresholds: Off voltage;

300mV typ. hysteresis

1.08

1.9

2.6

tPwrUp

Power-up time

Fast mode (Mode = 1);

until status bit OCF = 1

Slow mode (Mode = 0 or open);

until OCF = 1

tdelay

System propagation

delay absolute output :

delay of ADC, DSP and

absolute interface

Fast mode (MODE=1)

μs

Slow mode (MODE=0 or open)

384

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