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AD5781 Data Sheet
Rev. D | Page 10 of 28
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
50000
100000 150000 200000 250000
DAC CODE
DNL ERROR (LSB)
09092-012
T
A
= +125°C
T
A
= +25°C
T
A
= –40°C
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
REFP
= +5V
V
REFN
= 0V
V
DD
= +15V
V
SS
= –15V
Figure 11. Differential Nonlinearity Error vs. DAC Code, +5 V Span
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 50000 100000 150000 200000 250000
DAC CODE
DNL ERROR (LSB)
09092-013
T
A
= +25°C
T
A
= –40°C
T
A
= +125°C
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
REFP
= +10V
V
REFN
= 0V
V
DD
= +15V
V
SS
= –15V
Figure 12. Differential Nonlinearity Error vs. DAC Code, ±10 V Span,
X2 Gain Mode
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
INL ERROR (LSB)
09092-014
±10V SPAN MAX INL
+5V SPAN MAX INL
+10V SPAN MIN INL
+10V SPAN MAX INL
±10V SPAN MIN INL
+5V SPAN MIN INL
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
DD
= +15V
V
SS
= –15V
Figure 13. Integral Nonlinearity Error vs. Temperature
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–55
–35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
DNL ERROR (LSB)
09092-015
±10V SPAN MAX DN
L
+5V SPAN MAX DNL
+10V S
P
AN MIN DN
L
+10V S
P
AN MAX DN
L
±10V SPAN MIN DNL
+5V SPAN MIN DNL
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
DD
= +15V
V
SS
= –15V
Figure 14. Differential Nonlinearity Error vs. Temperature
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0 16.5
V
DD
/|V
SS
| (V)
INL ERROR (LSB)
09092-016
T
A
= 25°C
V
REFP
= +10V
V
REFN
= –10V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
INL MAX
INL MIN
Figure 15. Integral Nonlinearity Error vs. Supply Voltage, ±10 V Span
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
7.5
8.5 9.5 10.5 11.5 12.5 13.5 14.5
15.5 16.5
V
DD
(V)
INL ERROR (LSB)
–2.5 –3.9
–5.3 –6.7 –9.1 –10.5 –12.9 –14.2 –15.5
–16.5
V
SS
(V)
09092-017
T
A
= 25°C
V
REFP
= +5V
V
REFN
= 0V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
INL MAX
INL MIN
Figure 16. Integral Nonlinearity Error vs. Supply Voltage, +5 V Span