AS5043

Data Sheet – Electrical Characteristics

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Revision 1.80

32 – 36

Figure 24: Integral and Differential Non-Linearity (exaggerated curve)

180°

360 °

0 °

0

512

1023

α

0

1

2

0.35°

INL

Ideal curve

Actual curve

TN

512

1023

DNL+1LSB

[degrees]

Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position.

Differential Non-Linearity (DNL) is the maximum deviation of the step length from one position to the next.

Transition Noise (TN) is the repeatability of an indicated position.

19.6 Timing Characteristics

Synchronous Serial Interface (SSI)

otherwise noted)

Parameter

Symbol

Min

Typ

Max

Unit

Note

Data output activated

(logic high)

100

ns

Time between falling edge of CSn and data

output activated

First data shifted to output

register

500

ns

Time between falling edge of CSn and first

falling edge of CLK

Start of data output

500

ns

Rising edge of CLK shifts out one bit at a time

Data output valid

413

ns

Time between rising edge of CLK and data

output valid

Data output tristate

100

ns

After the last bit DO changes back to “tristate”

Pulse width of CSn

500

ns

CSn = high; To initiate read-out of next

angular position

Read-out frequency

>0

1

MHz Clock frequency to read out serial data

19.7 Programming Conditions

otherwise noted)

Parameter

Symbol

Min

Typ

Max

Unit Note

Programming enable time

2

µs

Time between rising edge at Prog

pin and rising edge of CSn

Write data start

2

µs

Write data valid

250

ns

Write data at the rising edge of