Analog Devices EVAL-AD5781, User Manual

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UG-184 Evaluation Board User Guide
Rev. 0 | Page 8 of 16
EVALUATION BOARD PERFORMANCE
The following data demonstrates the measured linearity performance of the AD5781 evaluation board circuit. The board is powered from
V
DD
= +15 V, V
SS
= −15 V, and V
REF
= +5 V.
0.5
0.4
0.3
0.2
0.1
–0.4
–0.3
–0.2
–0.1
0
–0.5
0 50k 100k 150k 200k 250k
IN
L
ER
R
O
R
(L
SB
)
DAC CODE
09
09
2-
00
7
Figure 7. INL Error vs. DAC Code
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
–0.30
–0.50
–0.45
–0.40
–0.35
0
20
k
40
k
60
k
80
k
100k 120k 140k 160k 180k 200k 220k 240k
262,
143
DN
L
E
RRO
R (
L
S
B
s
)
DAC CODE
09
09
2-
0
08
Figure 8. DNL Error vs. DAC Code