Datasheet

AD5781 Data Sheet
Rev. D | Page 12 of 28
–0.015
–0.020
–0.025
–0.030
–0.035
–0.040
–0.045
12.5
13.0
13.5
14.0
14.5
15.0
15.5 16.0
16.5
V
DD
/|V
SS
| (V)
FULL-SCALE ERROR (LSB)
09092-024
T
A
= 25°C
V
REFP
= +10V
V
REFN
= –10V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 23. Full-Scale Error vs. Supply Voltage, ±10 V Span
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
–0.01
–0.02
7.5 8.5 9.5 10.5
11.5 12.5
13.5 14.5 15.5 16.5
V
DD
(V)
FULL-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)
09092-025
T
A
= 25°C
V
REFP
= +5V
V
REFN
= 0V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 24. Full-Scale Error vs. Supply Voltage, +5 V Span
–0.30
–0.35
–0.40
–0.45
–0.50
–0.55
–0.60
–0.65
12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0 16.5
V
DD
/|V
SS
| (V)
GAIN ERROR (ppm FSR)
09092-026
T
A
= 25°C
V
REFP
= +10V
V
REFN
= –10V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 25. Gain Error vs. Supply Voltage, ±10 V Span
0.10
0.05
0
–0.35
–0.30
–0.25
–0.20
–0.15
–0.10
–0.05
–0.40
7.5 8.5 9.5 10.5 11.5 12.5 13.5 14.5 15.5
16.5
V
DD
(V)
GAIN ERROR (ppm FSR)
–2.5 –3.9
–5.3
–6.7 –9.1
–10.5
–12.9
–14.2
–15.5
–16.5
V
SS
(V)
09092-027
T
A
= 25°C
V
REFP
= +5V
V
REFN
= 0V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 26. Gain Error vs. Supply Voltage, +5 V Span
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0
V
REFP
/|V
REFN
| (V)
INL ERROR (LSB)
09092-028
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
INL MAX
INL MIN
Figure 27. Integral Nonlinearity Error vs. Reference Voltage
0.10
0.05
0
–0.05
–0.10
–0.15
5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0
V
REFP
/|V
REFN
| (V)
DNL ERROR (LSB)
09092-029
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
DNL MAX
DNL MIN
Figure 28. Differential Nonlinearity Error vs. Reference Voltage