AS5030 데이터 시트보기 (PDF) - austriamicrosystems AG

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AS5030

8-Bit Programmable High Speed Magnetic Rotary Encoder

austriamicrosystems AG 

AS5030

Datasheet - Electrical Characteristics

6.8 8-bit PWM Output

Symbol

Parameter

NPWM

PWM resolution

PWMIN

PWMAX

PWP

fPWM

Hyst

PWM pulse width

PWM pulse width

PWM period

PWM frequency

Digital hysteresis2

Conditions

Angle = 0° (00H)

Angle = 358.6° (FFH)

Over full temperature range1

1 / PWM period

At change of rotation direction

Min Typ

8

2

1.66 2.26

427 578

428 581

1.72

1

Max Units

bit

µs/step

2.85

µs

731

µs

734

µs

kHz

bit

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).

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

6.9 Serial 8-bit Output

3-wire Interface.

Symbol

fCLK

tCLK

fclk,P

Parameter

Clock frequency

Clock frequency

Conditions

Normal operation

During OTP programming

Min Typ

166.6

250

Max Units

6

MHz

ns

500 kHz

2-wire Interface.

Symbol

fCLK

tCLK

fclk,P

tTO

Hyst

Parameter

Clock frequency

Clock frequency

Synchronization timeout

Digital hysteresis1

Conditions

Min Typ Max Units

Normal operation

0.1

166.6

6

MHz

10,000 ns

During OTP programming

250

500 kHz

Rising edge of CLK to internally generated

chip select on pin DX

16.6

27

34.3

ms

At change of rotation direction

1

bit

1. Hysteresis may be temporarily disabled by software.

www.ams.com/AS5030

Revision 2.4

9 - 44

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