Datasheet

AD5791 Data Sheet
Rev. D | Page 12 of 28
–0.015
–0.035
–0.055
–0.075
–0.095
–0.115
–0.135
–0.155
–0.175
–0.195
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)
08964-024
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
0.25
0.20
0.15
0.10
0.05
0
–0.05
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)
08964-025
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)
08964-026
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)
08964-027
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
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
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)
08964-028
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
0.4
0.2
0.3
0.1
0
–0.1
–0.2
–0.3
–0.5
–0.4
–0.6
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)
08964-029
DNL MAX
DNL MIN
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 28. Differential Nonlinearity Error vs. Reference Voltage