AD5781 Analog Devices, AD5781 Datasheet - Page 11

• 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

Data Sheet
Figure 13. Differential Nonlinearity Error vs. DAC Code, ±10 V Span,
Figure 12. Differential Nonlinearity Error vs. DAC Code, +5 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
–55
0
0
Figure 14. Integral Nonlinearity Error vs. Temperature
0
0
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
V
DD
SS
REFP
REFN
DD
SS
REFP
REFN
DD
SS
–35
= –15V
= +15V
±10V SPAN MAX INL
+5V SPAN MAX INL
+10V SPAN MIN INL
= –15V
= –15V
= +15V
= +15V
= +5V
= +10V
= 0V
= 0V
50000
50000
–15
5
100000
100000
TEMPERATURE (°C)
X2 Gain Mode
DAC CODE
DAC CODE
25
+10V SPAN MAX INL
±10V SPAN MIN INL
+5V SPAN MIN INL
150000
150000
45
65
T
T
T
A
A
A
200000
200000
= +125°C
= +25°C
= –40°C
85
T
T
T
A
A
A
= +25°C
= –40°C
= +125°C
105
250000
250000
125
Rev. C | Page 11 of 28
Figure 16. Integral Nonlinearity Error vs. Supply Voltage, ±10 V Span
Figure 17. Integral Nonlinearity Error vs. Supply Voltage, +5 V Span
–0.02
–0.04
–0.06
–0.1
–0.2
–0.3
–0.1
–0.2
–0.3
–0.4
–0.5
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.4
0.3
0.2
0.1
0.3
0.2
0.1
0
–2.5
0
Figure 15. Differential Nonlinearity Error vs. Temperature
7.5
–55
0
12.5
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
DD
SS
A
REFP
REFN
A
REFP
REFN
–3.9
= 25°C
8.5
–35
= –15V
±10V SPAN MAX DNL
+5V SPAN MAX DNL
+10V SPAN MIN DNL
= 25°C
= +15V
13.0
= +5V
= 0V
= +10V
= –10V
–5.3
9.5
–15
13.5
10.5
–6.7
5
TEMPERATURE (°C)
14.0
11.5
–9.1
V
25
DD
V
V
INL MAX
DD
SS
INL MIN
/|V
14.5
INL MAX
INL MIN
(V)
(V)
–10.5 –12.9 –14.2 –15.5 –16.5
SS
12.5
+10V SPAN MAX DNL
±10V SPAN MIN DNL
+5V SPAN MIN DNL
45
| (V)
15.0
13.5
65
15.5
14.5
85
15.5
16.0
105
AD5781
16.5
125
16.5