Datasheet

Data Sheet AD5781
Rev. D | Page 11 of 28
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
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)
09092-018
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
0.10
0.05
0
–0.15
–0.10
–0.05
–0.20
–0.25
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)
09092-019
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
0.14
0.12
0.10
0.08
0.06
0.04
0.02
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)
09092-020
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
0.14
0.12
0.10
0.04
0.06
0.08
0.02
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)
09092-021
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
0.05
0.04
0.03
0.02
0.01
0
–0.01
–0.02
–0.03
12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0 16.5
V
DD
/|V
SS
| (V)
MID-SCALE ERROR (LSB)
09092-022
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
0.05
0
–0.15
–0.10
–0.05
–0.20
7.5 8.5 9.5 10.5 11.5 12.5 13.5 14.5 15.5
16.5
V
DD
(V)
MID-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)
09092-023
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