Datasheet

Data Sheet AD5791
Rev. D | Page 11 of 28
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
12.5
13.0 13.5
14.0 14.5 15.0 15.5 16.0 16.5
V
DD
/|V
SS
| (V)
DNL ERROR (LSB)
08964-018
T
A
= 25°C
V
REFP
= +10V
V
REFN
= –10V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
DNL MAX
DNL MIN
Figure 17. Differential Nonlinearity Error vs. Supply Voltage, ±10 V Span
0.4
0.2
0
–0.6
–0.4
–0.2
–0.8
–1.0
7.5 8.5 9.5 10.5 11.5 12.5
13.5 14.5 15.5 16.5
V
DD
(V)
DNL 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)
08964-019
T
A
= 25°C
V
REFP
= +5V
V
REFN
= 0V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
DNL MAX
DNL MIN
Figure 18. Differential Nonlinearity Error vs. Supply Voltage, 5 V Span
0.6
0.5
0.4
0.3
0.2
0.1
0
12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0 16.5
V
DD
/|V
SS
| (V)
ZERO-SCALE ERROR (LSB)
08964-020
T
A
= 25°C
V
REFP
= +10V
V
REFN
= –10V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 19. Zero-Scale Error vs. Supply Voltage, ±10 V Span
0.6
0.5
0.4
0.1
0.2
0.3
0
7.5 8.5 9.5 10.5 11.5 12.5 13.5 14.5 15.5 16.5
V
DD
(V)
ZERO-SCALE 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)
08964-021
T
A
= 25°C
V
REFP
= +5V
V
REFN
= 0V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 20. Zero-Scale Error vs. Supply Voltage, 5 V Span
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
12.5
13.0 13.5 14.0 14.5
15.0 15.5
16.0
16.5
V
DD
/|V
SS
| (V)
MIDSCALE ERROR (LSB)
08964-022
T
A
= 25°C
V
REFP
= +10V
V
REFN
= –10V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 21. Midscale Error vs. Supply Voltage, ±10 V Span
0.2
0.1
0
–0.5
–0.6
–0.3
–0.4
–0.1
–0.2
–0.7
7.5 8.5 9.5 10.5 11.5
12.5 13.5 14.5 15.5 16.5
V
DD
(V)
MIDSCALE 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)
08964-023
T
A
= 25°C
V
REFP
= +5V
V
REFN
= 0V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 22. Midscale Error vs. Supply Voltage, 5 V Span