ADAS3022BCPZ Просмотр технического описания (PDF) - Analog Devices
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ADAS3022BCPZ Datasheet PDF : 42 Pages
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Data Sheet
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
100
GAIN = 6.4
fS = 1000kSPS
fIN = 10.1kHz
SNR = 85.7dB
SINAD = 85.6dB
THD = –101dB
SFDR = 103dB
100
200
300
400
500
FREQUENCY (kHz)
Figure 25. 10 kHz FFT,
PGIA Gain = 6.4
95
90
85
GAIN = 0.4, –0.5dBFS
GAIN = 0.8, –0.5dBFS
80
GAIN = 1.6, –0.5dBFS
GAIN = 3.2, –0.5dBFS
GAIN = 0.4, –10dBFS
75
GAIN = 0.8, –10dBFS
GAIN = 1.6, –10dBFS
GAIN = 3.2, –10dBFS
70
1
10
100
FREQUENCY (kHz)
Figure 26. SNR vs. Frequency
1000
100
95
90
85
80
75
70
65
60
55
50
1
GAIN = 0.4, –0.5dBFS
GAIN = 0.8, –0.5dBFS
GAIN = 1.6, –0.5dBFS
GAIN = 3.2, –0.5dBFS
GAIN = 0.4, –10dBFS
GAIN = 0.8, –10dBFS
GAIN = 1.6, –10dBFS
GAIN = 3.2, –10dBFS
10
100
FREQUENCY (kHz)
Figure 27. SINAD vs. Frequency
1000
ADAS3022
–55
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
–120
–125
1
GAIN = 0.4, –0.5dBFS
GAIN = 0.8, –0.5dBFS
GAIN = 1.6, –0.5dBFS
GAIN = 3.2, –0.5dBFS
GAIN = 0.4, –10dBFS
GAIN = 0.8, –10dBFS
GAIN = 1.6, –10dBFS
GAIN = 3.2, –10dBFS
10
100
FREQUENCY (kHz)
Figure 28. THD vs. Frequency
1000
–60 INTERNAL REFERENCE
CHANNEL 4 TO COM, SEQUENCER DISABLED
–70
VIN = –0.5dBFS ON CHANNELS 0 TO 3, 5 TO 7
fS = 1000kSPS
–80
–90
–100
–110
–120
–130
–140
0
20 40 60 80 100 120 140 160 180 200
FREQUENCY (kHz)
Figure 29. Crosstalk vs. Frequency
130
GAIN = 0.16
GAIN = 0.20
120
GAIN = 0.40
GAIN = 0.80
GAIN = 1.60
110
GAIN = 3.20
GAIN = 6.40
100
90
80 COMMON-MODE AMPLITUDE = 20.48V p-p
INTERNAL REFERENCE
70 fS = 1000kSPS
60
1
10
100
1k
10k
FREQUENCY (Hz)
100k
Figure 30. CMRR vs. Frequency
Rev. D | Page 17 of 42
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