Datasheet

Data Sheet AD5781
Rev. D | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 50000 100000 150000 200000 250000
DAC CODE
INL ERROR (LSB)
09092-006
T
A
= +125°C
T
A
= +25°C
T
A
= –40°C
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
REFP
= +10V
V
REFN
= –10V
V
DD
= +15V
V
SS
= –15V
Figure 5. Integral Nonlinearity Error vs. DAC Code, ±10 V Span
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 50000 100000 150000 200000 250000
DAC CODE
INL ERROR (LSB)
09092-007
T
A
= +125°C
T
A
= +25°C
T
A
= –40°C
V
REFP
= +10V
V
REFN
= 0V
V
DD
= +15V
V
SS
= –15V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
Figure 6. Integral Nonlinearity Error vs. DAC Code, +10 V Span
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0 50000 100000 150000
200000 250000
DAC CODE
INL ERROR (LSB)
09092-008
T
A
= +125°C
T
A
= +25°C
T
A
= –40°C
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
REFP
= +5V
V
REFN
= 0V
V
DD
= +15V
V
SS
= –15V
Figure 7. Integral Nonlinearity Error vs. DAC Code, +5 V Span
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 50000
100000
150000
200000
250000
DAC CODE
INL ERROR (LSB)
09092-009
T
A
= +25°C
T
A
= –40°C
T
A
= +125°C
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
REFP
= +10V
V
REFN
= 0V
V
DD
= +15V
V
SS
= –15V
Figure 8. Integral Nonlinearity Error vs. DAC Code, ±10 V Span, X2 Gain Mode
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 50000 100000 150000 200000 250000
DAC CODE
DNL ERROR (LSB)
09092-010
T
A
= +125°C
T
A
= +25°C
T
A
= –40°C
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
REFP
= +10V
V
REFN
= –10V
V
DD
= +15V
V
SS
= –15V
Figure 9. Differential Nonlinearity Error vs. DAC Code, ±10 V Span
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 50000 100000 150000
200000 250000
DAC CODE
DNL ERROR (LSB)
09092-011
T
A
= +125°C
T
A
= +25°C
T
A
= –40°C
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
REFP
= +10V
V
REFN
= 0V
V
DD
= +15V
V
SS
= –15V
Figure 10. Differential Nonlinearity Error vs. DAC Code, +10 V Span