MB9DF565LLE datasheet(100/109 Pages) SPANSION

100 / 109 page

D at aS he e t

May 15, 2015, MB9D560_DS708-00001-3v0-E

CONFIDENTIAL

(12-3) Definition of Terms

Resolution: Analog variation that is recognized by an A/D converter.

Linearity error: Deviation of the actual conversion characteristics from a straight line that connects the zero

transition point ("0000 0000 0000" ←→ "0000 0000 0001") to the full-scale transition point ("1111 1111 1110"

←→

"1111 1111 1111").

Differential linearity error: Deviation of the input voltage from the ideal value that is required to change the

output code by 1LSB.

Linearity error

Differential linearity error

Linearity error of digital output N =

VNT - {1LSB×(N-1) + VZT}

[LSB]

1LSB

Differential linearity error of digital output N = V(N + 1)T - VNT -1 LSB

[LSB]

1LSB

1LSB =

VFST - VZT

[V]

4094

VZT: Voltage at which the digital output changes from "0x000" to "0x001".

VFST: Voltage at which the digital output changes from "0xFFE" to "0xFFF".

AVSS

(AVRL)

AVRH

Actual conversion

characteristics

{1 LSB (N - 1) + VZT}

AVSS

(AVRL)

VFST

VNT

VZT (Actually-measured value)

V(N+1)T

VNT

Ideal characteristics

Actual conversion

characteristics

Actual conversion

characteristics

Actual conversion

characteristics

Ideal characteristics

(Actually-measured value)

(Actually-

measured

value)

(Actually-measured value)

Analog input

(Actually-measured

value)

N - 1

N - 2

N + 1

FFF

FFE

FFD

004

003

002

001

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