AD7641AST 查看數據表（PDF） - Analog Devices
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AD7641AST Datasheet PDF : 28 Pages
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AD7641
96.0
95.5
95.0
SNR
94.5
SINAD
94.0
93.5
93.0
–60
–50
–40
–30
–20
–10
0
INPUT LEVEL (dB)
Figure 17. SNR and SINAD vs. Input Level (Referred to Full Scale)
16
14
12
10
DVDD
8
OVDD, 3.3V
6
OVDD, 2.5V
4
2
AVDD
0
–55 –35 –15 5
25 45 65 85 105 125
TEMPERATURE (°C)
Figure 18. Power-Down Operating Currents vs. Temperature
100000
10000
AVDD
1000
100
OVDD = 2.5V, ALL MODES
10
DVDD
1
OVDD = 3.3V, ALL MODES
0.1
0.01
10
PDREF = PDBUF = HIGH
100
1k
10k
100k
1M
10M
SAMPLING RATE (SPS)
Figure 19. Operating Current vs. Sample Rate
20
18
OVDD = 2.5V @ 85°C
16
OVDD = 2.5V @ 25°C
14
12
10
OVDD = 3.3V @ 25°C
8
OVDD = 3.3V @ 85°C
6
4
4
50
100
150
200
CL (pF)
Figure 20. Typical Delay vs. Load Capacitance CL
Rev. 0 | Page 14 of 28
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