AD5678BRUZ-2(RevA) Просмотр технического описания (PDF) - Analog Devices
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AD5678BRUZ-2
(Rev.:RevA)
(Rev.:RevA)
Analog Devices
AD5678BRUZ-2 Datasheet PDF : 28 Pages
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0.20
0.15
VDD = 3V
VREFOUT = 1.25V
TA = 25°C
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
0
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 16. DNL—12-Bit DAC, 1.25 V Internal Reference
0
–0.02
VDD = 5V
–0.04
–0.06
GAIN ERROR
–0.08
–0.10
–0.12
–0.14
–0.16
FULL-SCALE ERROR
–0.18
–0.20
–40 –20
0
20
40
60
TEMPERATURE (°C)
80
100
Figure 17. Gain Error and Full-Scale Error vs. Temperature
1.5
1.0
ZERO-SCALE ERROR
0.5
0
–0.5
–1.0
–1.5
OFFSET ERROR
–2.0
–2.5
–40 –20
0
20
40
60
TEMPERATURE (°C)
80
100
Figure 18. Zero-Scale Error and Offset Error vs. Temperature
AD5678
1.0
0.5
GAIN ERROR
0
FULL-SCALE ERROR
–0.5
–1.0
–1.5
–2.0
2.7
3.2
3.7
4.2
4.7
5.2
VDD (V)
Figure 19. Gain Error and Full-Scale Error vs. Supply Voltage
1.0
TA = 25°C
0.5
ZERO-SCALE ERROR
0
–0.5
–1.0
–1.5
–2.0
OFFSET ERROR
–2.5
2.7
3.2
3.7
4.2
4.7
5.2
VDD (V)
Figure 20. Zero-Scale Error and Offset Error vs. Supply Voltage
20
VDD = 3.6V
18 VDD = 5.5V
16
14
12
10
8
6
4
2
0
1.20 1.22 1.24 1.26 1.28 1.30 1.32 1.34 1.36 1.38 1.40 1.42 1.44
IDD (mA)
Figure 21. IDD Histogram with External Reference
Rev. A | Page 13 of 28
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