AD7679(Rev0) 데이터 시트보기 (PDF) - Analog Devices
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AD7679 Datasheet PDF : 28 Pages
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AD7679
100
SNR
99
S/(N+D)
98
16.5
16.0
ENOB
15.5
97
15.0
96
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
14.5
85 105 125
03085-0-018
Figure 17. SNR, S/(N+D), and ENOB vs. Temperature
–100
–110
–120
–130
THD
THIRD
HARMONIC
SECOND
HARMONIC
–140
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
85 105 125
03085-0-019
Figure 18. THD and Harmonics vs. Temperature
100000
10000
1000
100
AVDD
10
DVDD
1
PDBUF HIGH
0.1
OVDD
0.01
0.001
1
10
100
1k
10k
100k
1M
SAMPLING RATE (SPS)
03085-0-020
Figure 19. Operating Current vs. Sampling Rate
1000
900
800
700
500
500
400
300
200
100
0
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
DVDD
AVDD
OVDD
85 105 125
03085-0-021
Figure 20. Power-Down Operating Currents vs. Temperature
25
20
15
NEGATIVE
10
FULL SCALE
5
0
–5
–10
POSITIVE
FULL SCALE
–15
ZERO ERROR
–20
–25
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
85 105 125
03085-0-022
Figure 21. Zero Error Positive and Negative Full Scale vs. Temperature
50
OVDD = 2.7V @ 85°C
40
30
20
OVDD = 2.7V @ 25°C
OVDD = 5V @ 85°C
10
OVDD = 5V @ 25°C
0
0
50
100
150
200
CL (pF)
03085-0-024
Figure 22. Typical Delay vs. Load Capacitance CL
Rev. 0 | Page 14 of 28
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