AD872A Просмотр технического описания (PDF) - Analog Devices
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AD872A Datasheet PDF : 20 Pages
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Dynamic Characteristics–Sample Rate: 10 MSPS–AD872A
70
68
66
64
62
60
58
56
54
52
50
105
–0.5 dB
–6.0 dB
106
107
INPUT FREQUENCY – Hz
Figure 2. AD872A S/(N+D) Input Frequency
1
fIN = 1MHz
fIN AMPLITUDE = –0.5dB
THD = 73dB
S/(N+D) = 68dB
SNR = 70dB
SFDR = 73dB
2
9
8
–70
THD
–75
2ND
HARMONIC
–80
–85
–90
3RD
HARMONIC
–95
105
106
107
INPUT FREQUENCY – Hz
Figure 3. AD872A Distortion vs. Input Frequency,
Full-Scale Input
HARMONICS – dB
2ND –73
3RD –82
4TH –87
5TH –90
6TH –92
7TH –95
8TH –95
9TH –93
3
7
4
6
5
REV. A
Figure 4. AD872A Typical FFT, fIN = 1 MHz, fIN Amplitude = –0.5 dB
1
fIN = 1MHz
fIN AMPLITUDE = –6.0dB
THD = –77dB
S/(N+D) = 65dB
SNR = 65dB
SFDR = 81dB
HARMONICS – dB
2ND –81
3RD –97
4TH –91
5TH –84
6TH –88
7TH –90
8TH –90
9TH –94
2
5
9
8
7
3
46
Figure 5. AD872A Typical FFT, fIN = 1 MHz, fIN Amplitude = –6 dB
–7–
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