TMS570LS datasheet(100/107 Pages) TI1

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Analog Input Value (LSB)

At Transition

011/100

(– 1/2 LSB)

End-Point Lin. Error

At Transition

001/010 (– 1/4 LSB)

Ideal

Transition

Actual

Transition

0 ... 101

0 ... 100

0 ... 011

0 ... 010

0 ... 001

0 ... 111

0 ... 110

0 ... 000

0 ... 101

0 ... 100

0 ... 011

0 ... 010

0 ... 001

0 ... 000

0 ... 110

Analog Input Value (LSB)

Differential

Linearity Error (1/2 LSB)

1 LSB

Differential Linearity

Error (–1/2 LSB)

1 LSB

0 ... 101

0 ... 100

0 ... 011

0 ... 010

0 ... 001

0 ... 000

0 ... 110

1 LSB

TMS570LS20206-EP, TMS570LS20216-EP

SPNS209A – JUNE 2012 – REVISED AUGUST 2012

www.ti.com

7.18.6 MibADC Nonlinearity Error

The differential nonlinearity error shown in the figure below (sometimes referred to as differential linearity)

is the difference between an actual step width and the ideal value of 1 LSB.

Figure 7-28. Differential Nonlinearity (DNL)

The integral nonlinearity error shown in the figure below (sometimes referred to as linearity error) is the

deviation of the values on the actual transfer function from a straight line.

Figure 7-29. Integral Nonlinearity (INL) Error

100

Peripheral and Electrical Specifications

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