AD5781 Analog Devices, AD5781 Datasheet - Page 14

• 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
–0.01
–0.02
–0.03
–0.04
–0.05
–0.01
–0.02
–0.03
–0.04
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.03
0.02
0.01
0.04
0.03
0.02
0.01
0
5.0
0
0
5.0
5.0
Figure 30. Zero-Scale Error vs. Reference Voltage
Figure 32. Full-Scale Error vs. Reference Voltage
Figure 31. Midscale Error vs. Reference Voltage
5.5
5.5
5.5
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
A
DD
SS
= 25°C
= –15V
= +15V
6.0
6.0
6.0
6.5
6.5
6.5
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
V
V
V
7.0
A
DD
SS
REFP
7.0
7.0
REFP
REFP
= 25°C
= –15V
= +15V
/|V
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
/|V
/|V
7.5
7.5
A
DD
SS
7.5
REFN
REFN
REFN
= 25°C
= –15V
= +15V
8.0
| (V)
8.0
| (V)
8.0
| (V)
8.5
8.5
8.5
9.0
9.0
9.0
9.5
9.5
9.5
10.0
10.0
10.0
Rev. C | Page 14 of 28
–0.30
–0.35
–0.40
–0.45
–0.50
–0.55
–0.60
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.3
0.2
0.1
0
0
–55
–55
5.0
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
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
5.5
–35
–35
A
DD
SS
Figure 33. Gain Error vs. Reference Voltage
= –15V
= –15V
= +15V
Figure 34. Full-Scale Error vs. Temperature
= +15V
Figure 35. Midscale Error vs. Temperature
= 25°C
= +10V
= –15V
= +10V
= –15V
= –15V
= +15V
6.0
–15
–15
6.5
5
5
TEMPERATURE (°C)
TEMPERATURE (°C)
V
7.0
REFP
25
25
/|V
7.5
REFN
45
45
| (V)
8.0
65
65
8.5
85
85
Data Sheet
9.0
±10V SPAN
+10V SPAN
±5V SPAN
±10V SPAN
+10V SPAN
±5V SPAN
105
105
9.5
125
125
10.0