Datasheet

www.ams.com/AS5030 Revision 2.4 9 - 44
AS5030
Datasheet - Electrical Characteristics
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
N
PWM
PWM resolution
8bit
2 µs/step
PW
MIN
PWM pulse width
Angle = 0° (00
H
)
1.66 2.26 2.85 µs
PW
MAX
PWM pulse width
Angle = 358.6° (FF
H
)
427 578 731 µs
PW
P
PWM period
Over full temperature range
1
1. The tolerance of the absolute PWM pulse width and frequency can be eliminated by using the duty cycle t
ON
/(t
ON
+t
OFF
) for angle
measurement(see 1-Wire PWM Connection on page 16).
428 581 734 µs
f
PWM
PWM frequency 1 / PWM period 1.72 kHz
Hyst
Digital hysteresis
2
2. Hysteresis may be temporarily disabled by software(see 16-bit Write Command on page 24).
At change of rotation direction 1 bit
Symbol Parameter Conditions Min Typ Max Units
f
CLK
Clock frequency Normal operation
6MHz
t
CLK
166.6 ns
f
clk,P
Clock frequency During OTP programming 250 500 kHz
Symbol Parameter Conditions Min Typ Max Units
f
CLK
Clock frequency Normal operation
0.1 6 MHz
t
CLK
166.6 10,000 ns
f
clk,P
Clock frequency During OTP programming 250 500 kHz
t
TO
Synchronization timeout
Rising edge of CLK to internally generated
chip select on pin DX
16.6 27 34.3 ms
Hyst
Digital hysteresis
1
1. Hysteresis may be temporarily disabled by software.
At change of rotation direction 1 bit