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AD7621 数据表(PDF) 13 Page - Analog Devices

部件名 AD7621
功能描述  16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC
PDF  32 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7621 数据表(HTML) 13 Page - Analog Devices

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AD7612
Rev. 0 | Page 13 of 32
0
–180
0
375
FREQUENCY (kHz)
–20
–40
–60
–80
–100
–120
–140
–160
125
250
fS = 750kSPS
fIN = 19.99kHz
SNR = 93.23dB
THD = –107.5dB
SFDR = 113.9dB
SINAD = 93.1dB
Figure 11. FFT 20 kHz
96
80
1
100
FREQUENCY (kHz)
14.4
14.6
14.8
15.0
15.2
15.4
15.6
15.8
16.0
SNR
SINAD
ENOB
94
92
90
88
86
84
82
10
Figure 12. SNR, SINAD, and ENOB vs. Frequency
96
90
–55
125
TEMPERATURE (°C)
–35
–15
5
25
45
65
85
105
95
94
93
92
91
±10V
±5V
0V TO +10V
0V TO +5V
Figure 13. SNR vs. Temperature
95.0
93.0
–60
0
INPUT LEVEL (dB)
94.5
94.0
93.5
–50
–40
–30
–20
–10
SNR
SINAD
±10V
±5V
0V TO +10V
0V TO +5V
Figure 14. SNR and SINAD vs. Input Level (Referred to Full Scale)
–70
–130
1
100
FREQUENCY (kHz)
10
–80
–90
–100
–110
–120
20
30
40
50
60
70
80
90
100
110
120
SFDR
THD
SECOND
HARMONIC
THIRD
HARMONIC
Figure 15. THD, Harmonics, and SFDR vs. Frequency
96
90
–55
125
TEMPERATURE (°C)
–35
–15
5
25
45
65
85
105
95
94
93
92
91
±10V
±5V
0V TO +10V
0V TO +5V
Figure 16. SINAD vs. Temperature



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