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AD7623AST Datasheet(PDF) 14 Page - Analog Devices

Part # AD7623AST
Description  16-Bit, 1.33 MSPS PulSAR ADC
PDF  29 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7623AST Datasheet(HTML) 14 Page - Analog Devices

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AD7623
Rev. 0 | Page 13 of 28
0
–180
0
600
FREQUENCY (kHz)
–20
–40
–60
–80
–100
–120
–140
–160
fS = 1.33MSPS
fIN = 20.03kHz
SNR = 89.4dB
THD = –104.1dB
SFDR = 107.2dB
SINAD = 89.3dB
500
100
200
300
400
Figure 11. FFT 20 kHz
92
82
1
1000
FREQUENCY (kHz)
13.4
13.8
14.2
14.6
15.0
15.4
SNR
SINAD
ENOB
90
88
86
84
10
100
Figure 12. SNR, SINAD and ENOB vs. Frequency
–70
–120
1
1000
FREQUENCY (kHz)
20
30
40
50
60
70
80
90
100
110
120
–75
–80
–85
–90
–95
–100
–105
–110
–115
10
100
SECOND
HARMONIC
THIRD
HARMONIC
THD
SFDR
Figure 13. THD, Harmonics, and SFDR vs. Frequency
0
–180
0
600
FREQUENCY (kHz)
–20
–40
–60
–80
–100
–120
–140
–160
fS = 1.33MSPS
fIN = 100.13kHz
SNR = 89.2dB
THD = –95.6dB
SFDR = 96dB
SINAD = 88.4dB
500
100
200
300
400
Figure 14. FFT 100 kHz
90
82
–55
125
TEMPERATURE (°C)
13.5
14.0
14.5
15.0
15.5
89
88
87
86
85
84
83
–35
–15
5
25
45
65
85
105
ENOB
SINAD
SNR
Figure 15. SNR, SINAD, and ENOB vs. Temperature
–80
–130
–55
125
TEMPERATURE (°C)
–85
–90
–95
–100
–105
–110
–115
–120
–125
–35
–155
25456585
105
50
55
60
65
70
75
80
85
90
95
100
SECOND
HARMONIC
THIRD
HARMONIC
THD
SFDR
Figure 16. THD, Harmonics, and SFDR vs. Temperature



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