AS5030 datasheet(9/44 Pages) AMSCO

9 / 44 page

www.ams.com/AS5030

Revision 2.4

9 - 44

AS5030

Datasheet - Electrical Character i s t ics

6.8 8-bit PWM Output

6.9 Serial 8-bit Output

3-wire Interface.

2-wire Interface.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

NPWM

PWM resolution

8bit

µs/step

PWMIN

PWM pulse width

Angle = 0° (00H)

1.66

2.26

2.85

µs

PWMAX

PWM pulse width

Angle = 358.6° (FFH)

427

578

731

µs

PWP

PWM period

Over full temperature range

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 1-Wire PWM Connection on page 16).

428

581

734

µs

fPWM

PWM frequency

1 / PWM period

1.72

kHz

Hyst

Digital hysteresis

2. Hysteresis may be temporarily disabled by software(see 16-bit Write Command on page 24).

At change of rotation direction

bit

Symbol

Parameter

Conditions

Min

Typ

Max

Units

fCLK

Clock frequency

Normal operation

6MHz

tCLK

166.6

fclk,P

Clock frequency

During OTP programming

250

500

kHz

Symbol

Parameter

Conditions

Min

Typ

Max

Units

fCLK

Clock frequency

Normal operation

0.1

MHz

tCLK

166.6

10,000

fclk,P

Clock frequency

During OTP programming

250

500

kHz

tTO

Synchronization timeout

Rising edge of CLK to internally generated

chip select on pin DX

16.6

34.3

Hyst

Digital hysteresis

1. Hysteresis may be temporarily disabled by software.

At change of rotation direction

bit

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