AD5781BRUZ-REEL7 Analog Devices Inc, AD5781BRUZ-REEL7 Datasheet - Page 13

• Manufacturer Part Number: AD5781BRUZ-REEL7
• Description: 18bit, 1LSB, Unbuffered Ref
• Manufacturer: Analog Devices Inc

Specifications of AD5781BRUZ-REEL7

• Design Resources: 18-Bit Accurate, low noise, precision bipolar DC voltage source (CN0177)
• Settling Time: 1µs
• Number Of Bits: 18
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power Dissipation (max): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

–0.01
–0.02
–0.30
–0.35
–0.40
–0.45
–0.50
–0.55
–0.60
–0.65
0.07
0.06
0.05
0.04
0.03
0.02
0.01
–0.015
–0.020
–0.025
–0.030
–0.035
–0.040
–0.045
0
–2.5
12.5
7.5
Figure 25. Full-Scale Error vs. Supply Voltage, +5 V Span
Figure 24. Full-Scale Error vs. Supply Voltage, ±10 V Span
Figure 26. Gain Error vs. Supply Voltage, ±10 V Span
12.5
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
A
REFP
REFN
–3.9
8.5
= 25°C
13.0
13.0
= +10V
= –10V
–5.3
9.5
13.5
13.5
10.5
–6.7
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
14.0
A
REFP
REFN
= 25°C
14.0
V
11.5
–9.1
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
DD
= +10V
= –10V
A
V
V
REFP
REFN
V
DD
SS
/|V
DD
= 25°C
14.5
SS
/|V
–10.5 –12.9 –14.2 –15.5 –16.5
(V)
(V)
14.5
12.5
= +5V
= 0V
| (V)
SS
| (V)
15.0
13.5
15.0
15.5
14.5
15.5
16.0
15.5
16.0
16.5
16.5
16.5
Rev. 0 | Page 13 of 28
–0.05
–0.10
–0.15
–0.20
–0.25
–0.30
–0.35
–0.40
–0.05
–0.10
–0.15
0.10
0.05
0.15
0.10
0.05
–0.05
–0.10
–0.15
Figure 28. Integral Nonlinearity Error vs. Reference Voltage
Figure 29. Differential Nonlinearity Error vs. Reference Voltage
0.10
0.05
0
–2.5
0
7.5
5.0
0
Figure 27. Gain Error vs. Supply Voltage, +5 V Span
5.0
–3.9
5.5
8.5
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
A
DD
SS
5.5
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
= 25°C
A
DD
SS
= –15V
= +15V
6.0
= 25°C
–5.3
9.5
= –15V
= +15V
6.0
6.5
10.5
–6.7
6.5
V
7.0
REFP
V
11.5
–9.1
7.0
REFP
INL MAX
V
V
INL MIN
/|V
DD
SS
DNL MAX
T
V
V
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
DNL MIN
7.5
A
REFP
REFN
REFN
/|V
(V)
–10.5 –12.9 –14.2 –15.5 –16.5
(V)
= 25°C
12.5
7.5
REFN
= +5V
= 0V
8.0
| (V)
| (V)
8.0
13.5
8.5
8.5
14.5
9.0
9.0
15.5
9.5
AD5781
9.5
16.5
10.0
10.0