AS5130-ASST-OM datasheet(7/42 Pages) AMSCO

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AS5130

Datasheet - Electrical Character i s t ics

6 Electrical Characteristics

TAMB = -40ºC to +125ºC, unless otherwise noted.

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

VDD

Positive Supply Voltage

Except OTP programming

4.5

5.5

DVDD

Polling Mode Supply Voltage

3.6

5.5

IDD

Power Supply Current

Ioff

Power Down Mode

1.4

Resolution

8bit

1.406

deg

TPwrUp

Power Up Time

Startup from zero

2000

µs

Startup with preset AGC - Polling mode

(Supplied during toff phase of VDD from the

external buffer capacitor via DVDD pin)

250

Startup from low power mode

150

tda

Propagation Delay

Analog signal path; over full temperature

range

µs

tdd

Tracking rate

Step rate of tracking ADC;

1 step = 1.406º

0.85

1.15

1.45

µs

tdelay

Signal Processing Delay

Total signal processing delay, Analog +

Digital + SSI readout

(tda + tdd + tSSI)

21.55

µs

Analog filter time constant

Internal lowpass filter

4.1

6.6

12.5

µs

INLcm

Accuracy

Centered Magnet

-2

Within horizontal displacement radius (see

parameters for magnet)

-3

Transition Noise

rms (1 sigma)

0.235

PORr

Power-On-Reset levels

VDD rising

3.7

4,3

PORf

VDD falling

3.4

3.7

3.9

Parameters for Magnet

Rotational Speed

Frequencies above 1000 rpm causes an

additional not specified DNL Error

-30000

30000

rpm

Magnet diameter

Diametrically magnetized

Magnet thickness

2.5

Magnetic input range

Valid for use of full range of sensitivity

Magnetic Sensitivity of AGC

AGC value available at SSI

0.5

LSB/mT

BDC

Magnetic Offset

Magnetic stray field without gradient

DC/AC Characteristics for Digital Inputs and Outputs

CMOS Input

VIH

High level Input voltage

0.7 x

VDD

VIL

Low level Input Voltage

0.3 x

VDD

ILEAK

Input Leakage Current

1µA

CMOS Output

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