AD1876 Просмотр технического описания (PDF) - Analog Devices
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AD1876 Datasheet PDF : 12 Pages
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90
80
70
60
VREF = 10V
50
40
VREF = 5V
30
VREF = 7V
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT AMPLITUDE, REFERRED TO FULL-SCALE – dB
Figure 11. S/(N+D) vs. VREF vs. Input Amplitude
Typical Dynamic Performance–AD1876
90 –0dB INPUT
80
70 –20dB INPUT
60
50
40
30 –60dB INPUT
20
0
100
1k
10k
100k
1M
INPUT FREQUENCY – Hz
Figure 12. S/(N+D) vs. Input Frequency and Amplitude
Figure 13. 4096 Point FFT at 96 kSPS, fIN = 1.06 kHz
Figure 14. IMD Plot for fIN = 1008 Hz (fa), 1055 Hz (fb) at
96 kSPS
+5V
90
80
+12V
70
–12V
60
50
40
30
20
0
100
1k
10k
100k
1M
RIPPLE FREQUENCY – Hz
Figure 15. Power Supply Rejection (fIN = 1.06 kHz,
fSAMPLE = 96 kSPS, VRIPPLE = 0.3 V p-p)
REV. A
–11–
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