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AD7691 Datasheet(PDF) 12 Page - Analog Devices

Part # AD7691
Description  250 kSPS PulSAR Differential ADC in MSOP/LFCSP
PDF  29 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7691 Datasheet(HTML) 12 Page - Analog Devices

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Data Sheet
AD7691
Rev. E | Page 11 of 28
Figure 19. SNR, THD vs. Input Level
Figure 20. Operating Current vs. Temperature
Figure 21. Operating Current vs. Supply
Figure 22. Zero Error, Gain Error vs. Temperature
Figure 23. Power-Down Current vs. Temperature
Figure 24. tDSDO Delay vs. Capacitance Load and Supply
105
81
–10
0
INPUT LEVEL (dB)
–130
–90
–95
–100
–105
–110
–115
–120
–125
102
99
96
93
90
87
84
–8
–6
–4
–2
SNR 2.5V
SNR 5V
THD 2.5V
THD 5V
TEMPERATURE (°C)
1000
750
500
250
0
–55
–35
–15
5
25
45
65
85
105
125
VIO
VDD = 2.5V
VDD = 5V
fS =100kSPS
SUPPLY (V)
1000
750
500
250
0
2.3
2.6
2.9
3.2
3.5
3.8
4.1
4.4
4.7
5.0
5.3
VIO
VDD
fS =100kSPS
6
–6
TEMPERATURE (°C)
–55
125
4
2
0
–2
–4
–35
–15
5
25
45
65
85
105
GAIN ERROR
OFFSET ERROR
TEMPERATURE (°C)
1000
750
500
250
0
–55
–35
–15
5
25
45
65
85
105
125
VDD + VIO
SDO CAPACITIVE LOAD (pF)
120
0
20
40
60
80
100
25
20
15
10
5
0
VDD = 5V, 85°C
VDD = 5V, 25°C



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