AD7690 查看數據表（PDF） - Analog Devices
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AD7690 Datasheet PDF : 24 Pages
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AD7690
104
20
SNR
102
19
100
SINAD
18
98
17
ENOB
96
16
94
15
92
14
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
REFERENCE VOLTAGE (V)
Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage
103
VREF = 5V
102
101
100
99
98
97
96
95
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
85 105 125
Figure 14. SNR vs. Temperature
Data Sheet
–100
135
–105
SFDR
130
–110
125
–115
120
–120
115
THD
–125
110
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
REFERENCE VOLTAGE (V)
Figure 16. THD, SFDR vs. Reference Voltage
–90
–100
VREF = 5V
–110
–120
–130
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
85 105 125
Figure 17. THD vs. Temperature
105
100
95
90
85
80
75
70
65
0
VREF = 5V, –10dB
VREF = 5V, –1dB
50
100
150
200
FREQUENCY (kHz)
Figure 15. SINAD vs. Frequency
–60
–70
–80
VREF = 5V, –1dB
–90
–100
–110
–120
VREF = 5V, –10dB
–130
0
50
100
150
200
FREQUENCY (kHz)
Figure 18. THD vs. Frequency
Rev. C | Page 10 of 24
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