Datasheet

Data Sheet AD5791
Rev. D | Page 13 of 28
0.60
0.55
0.50
0.45
0.40
0.35
0.30
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)
ZERO-SCALE ERROR (LSB)
08964-030
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 29. Zero-Scale Error vs. Reference Voltage
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
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)
MIDSCALE ERROR (LSB)
08964-031
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 30. Midscale Error vs. Reference Voltage
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
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)
FULL-SCALE ERROR (LSB)
08964-032
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 31. Full-Scale Error vs. Reference Voltage
–0.30
–0.35
–0.40
–0.45
–0.50
–0.55
–0.60
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)
GAIN ERROR (ppm FSR)
08964-033
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 32. Gain Error vs. Reference Voltage
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
FULL-SCALE ERROR (LSBs)
08964-034
±10V SPAN
+10V SPAN
+5V SPAN
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
DD
= +15V
V
SS
= –15V
Figure 33. Full-Scale Error vs. Temperature
2.0
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
MIDSCALE ERROR (LSBs)
08964-035
±10V SPAN
+10V SPAN
+5V SPAN
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
DD
= +15V
V
SS
= –15V
Figure 34. Midscale Error vs. Temperature