AS5030ATST datasheet(7/33 Pages) AMSCO

7 / 33 page

AS5030 8-bit Programmable Magnetic Rotary Encoder

Rev. 1.8

www.austriamicrosystems.com

Page 7 of 33

4.7

Programming parameters

PARAMETER

SYMBOL

MIN

MAX

UNIT

NOTE

Programming Voltage

VPROG

8.0

8.5

static voltage at pin PROG

Programming Current

IPROG

100

programming ambient

temperature

TambPROG

°C

during programming

Programming time

tPROG

µs

timing is internally generated

VR,prog

0.5

Analog readback voltage

VR,unprog

2.2

3.5

during Analog Readback mode at pin PROG

4.8

DC Characteristics of Digital Inputs and Outputs

Parameter

Symbol

Min

Typ

Max

Unit

Note

CMOS Inputs: CLK, CS, DIO, C1, C2

High level input voltage

VIH

0.7*VDD

Low level input voltage

VIL

0.3*VDD

Input leakage current

ILEAK

µA

CMOS Outputs: DIO, MagRngn, PWM, DX

High level output voltage

VOH

VDD-0.5

source current <4mA

Low level output voltage

VOL

0.4

sink current <4mA

Capacitive load

CMOS Tristate Output: DIO

Tristate leakage current

IOZ

µA

CS = low

4.9

8-bit PWM Output

Parameter

SYMBOL

MIN

TYP

MAX

UNIT

NOTE

bit

PWM resolution

NPWM

µs/step

PWM pulse width

PWMIN

1.66

2.26

2.85

µs

angle = 0° (00H)

PWM pulse width

PWMAX

427

578

731

µs

angle = 358.6° (FFH)

PWM period

PWP

428

581

734

µs

over full temperature

range1)

PWM frequency

fPWM

1.72

kHz

=1 / PWM period

Digital hysteresis2)

Hyst

bit

at change of rotation direction

Notes:

1) The tolerance of the absolute PWM pulse width and frequency can be eliminated by using the duty cycle tON/(tON+tOFF) for

angle measurement; see 4.18.

2) Hysteresis may be temporarily disabled by software: see 5.2.2

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