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AD4020 Datasheet(PDF) 14 Page - Analog Devices

Part # AD4020
Description  Precision SAR, Differential ADC
PDF  37 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD4020 Datasheet(HTML) 14 Page - Analog Devices

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Data Sheet
AD4020
Rev. A | Page 13 of 36
100.8
100.0
100.4
100.6
100.2
99.6
99.8
99.4
16.42
16.22
16.24
16.26
16.28
16.30
16.32
16.34
16.36
16.38
16.40
TEMPERATURE (°C)
ENOB
SINAD
SNR
–40
100
80
60
40
20
0
–20
120
Figure 23. SNR, SINAD, and ENOB vs. Temperature, fIN = 1 kHz
0
1
2
3
4
5
6
7
8
9
10
TEMPERATURE (°C)
–40
100
80
60
40
20
0
–20
120
VDD HIGH-Z DISABLED
VIO HIGH-Z DISABLED
VREF HIGH-Z DISABLED
VDD HIGH-Z ENABLED
VIO HIGH-Z ENABLED
VREF HIGH-Z ENABLED
Figure 24. Operating Current vs. Temperature
–6
–4
–2
0
2
4
6
8
10
TEMPERATURE (°C)
–40
100
80
60
40
20
0
–20
120
ZERO ERROR
PFS GAIN ERROR
NFS GAIN ERROR
Figure 25. Zero Error and Gain Error vs. Temperature (PFS Is Positive Full
Scale and NFS Is Negative Full Scale)
–114.0
–114.5
–116.5
–115.5
–115.0
–116.0
–117.0
–117.5
118.0
117.9
117.4
117.7
117.8
117.6
117.2
117.3
117.5
117.1
117.0
–40
100
80
60
40
20
0
–20
120
TEMPERATURE (°C)
THD
SFDR
Figure 26. THD and SFDR vs. Temperature, fIN = 1 kHz
25.0
20.0
10.0
15.0
5.0
22.5
17.5
7.5
12.5
2.5
0
–40
100
80
60
40
20
0
–20
120
TEMPERATURE (°C)
Figure 27. Standby Current vs. Temperature
23
21
13
17
19
15
9
11
7
5
0
100
80
60
40
200
180
160
140
20
220
120
LOAD CAPACITANCE (pF)
VIO = 5V
VIO = 3.3V
VIO = 1.8V
Figure 28. tDSDO vs. Load Capacitance



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