AS5134 datasheet(5/29 Pages) AMSCO

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AS5134

Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s

6 Electrical Characteristics

TAMB = -40 to 140ºC, VDD5V = 4.5-5.5V, all voltages referenced to VSS, unless otherwise noted.

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

VDD

Positive Supply Voltage

4.5

+5.5

IDD

Operating Current

No load on outputs. Supply current

can be reduced by using stronger

magnets.

Ioff

Power down current

Low Power Mode

120

µA

Junction Temperature

170

ºC

System Parameters

Resolution

8.5

Bit

1Deg

TPwrUp

Power Up Time

Startup from zero

≤4100

µs

Startup from Low/Mid Power mode

≤500

Tracking rate

Step rate of tracking ADC;

1 step = 1º

3.0

5,2

µs/

step

INLcm

Accuracy

Centered Magnet

-2

Within horizontal displacement

radius (4.4)

-3

Deg

tdelay

Propagation delay

µs

Transition noise

Peak-Peak

1.41

Deg

Magnet Specifications

Magnet diameter

Diametrically magnetized

Magnet thickness

2.5

Magnetic Input Range

At chip surface

Magnet rotation speed

To maintain locked state

30.000

Magnetic field low detection

<20

<36

Magnetic field high detection

>44

>80

Hall Array radius

Vertical distance of magnet

0,5

1,8

Horizontal magnet displacement

radius

Max X-Y Offset between defined IC

Package center and magnet axis

0.25

Max X-Y Offset between chip

center and magnet axis

0.48

PWM Output

NPWM

PWM resolution

8.5

Bit

1 Step = 1º

µs/

step

PWMIN

PWM pulse width

Angle = 0º (00H)

µs

PWMAX

PWM pulse width

Angle = 360º (FFH)

736

µs

PWP

PWM period

750

µs

fPWM

PWM frequency

=1 / PWM period

1.43

kHz

Programming Parameters

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