AD5781 Analog Devices, AD5781 Datasheet - Page 10

• Manufacturer Part Number: AD5781
• Manufacturer: Analog Devices

Specifications of AD5781

• Resolution (bits): 18bit
• Dac Update Rate: 1MSPS
• Dac Settling Time: 1µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: Unbuffered Vout
• Dac Input Format: Ser,SPI

AD5781
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 6. Integral Nonlinearity Error vs. DAC Code, ±10 V Span
Figure 7. Integral Nonlinearity Error vs. DAC Code, +10 V Span
–0.1
–0.2
–0.3
–0.4
–0.5
–0.1
–0.2
–0.3
–0.4
–0.5
–0.2
–0.4
–0.6
–0.8
–1.0
Figure 8. Integral Nonlinearity Error vs. DAC Code, +5 V Span
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
0
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
V
REFP
REFN
DD
SS
REFP
REFN
DD
SS
REFP
REFN
DD
SS
= –15V
= +15V
= –15V
= +15V
= –15V
= +15V
= +5V
= 0V
= +10V
= –10V
= +10V
= 0V
50000
50000
50000
100000
100000
100000
DAC CODE
DAC CODE
DAC CODE
150000
150000
150000
200000
200000
200000
T
T
T
T
T
T
T
T
T
A
A
A
A
A
A
A
A
A
= +125°C
= +25°C
= –40°C
= +125°C
= +25°C
= –40°C
= +125°C
= +25°C
= –40°C
250000
250000
250000
Rev. C | Page 10 of 28
Figure 9. Integral Nonlinearity Error vs. DAC Code, ±10 V Span, X2 Gain Mode
Figure 10. Differential Nonlinearity Error vs. DAC Code, ±10 V Span
Figure 11. Differential Nonlinearity Error vs. DAC Code, +10 V Span
–0.1
–0.2
–0.3
–0.4
–0.5
–0.1
–0.2
–0.3
–0.4
–0.5
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
0
0
0
0
0
0
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
V
REFP
REFN
DD
SS
REFP
REFN
DD
SS
REFP
REFN
DD
SS
= –15V
= +15V
= –15V
= +15V
= –15V
= +15V
= +10V
= +10V
= –10V
= 0V
50000
50000
50000
= +10V
= 0V
100000
100000
100000
DAC CODE
DAC CODE
DAC CODE
150000
150000
150000
200000
200000
200000
T
T
T
A
A
A
Data Sheet
= +25°C
= –40°C
= +125°C
T
T
T
T
T
T
A
A
A
A
A
A
= +125°C
= +25°C
= –40°C
= +125°C
= +25°C
= –40°C
250000
250000
250000