AD9238BCPZ-40(RevC) データシートの表示（PDF） - Analog Devices
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AD9238BCPZ-40 Datasheet PDF : 48 Pages
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AD9238
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD, DRVDD = 3.0 V, T = 25°C, AIN differential drive, full scale = 2 V, unless otherwise noted.
0
–20
–40
–60
–80
–100
CROSSTALK
SECOND THIRD
HARMONIC HARMONIC
–120
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 5. Single-Tone FFT of Channel A Digitizing fIN = 12.5 MHz
While Channel B Is Digitizing fIN = 10 MHz
100
95
90
85
SFDR
80
75
SNR
70
65
60
55
50
40
45
50
55
60
65
ADC SAMPLE RATE (MSPS)
Figure 8. AD9238-65 Single-Tone SNR/SFDR vs. FS with fIN = 32.5 MHz
0
–20
–40
–60
SECOND
HARMONIC
–80
CROSSTALK
–100
–120
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 6. Single-Tone FFT of Channel A Digitizing fIN = 70 MHz
While Channel B Is Digitizing fIN = 76 MHz
100
95
90
85
SNFDRR
80
75
SSNNRR
70
65
60
55
50
20
25
30
35
40
ADC SAMPLE RATE (MSPS)
Figure 9. AD9238-40 Single-Tone SNR/SFDR vs. FS with fIN = 20 MHz
0
–20
–40
CROSSTALK
–60
SECOND
HARMONIC
–80
–100
–120
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 7. Single-Tone FFT of Channel A Digitizing fIN = 120 MHz
While Channel B is Digitizing fIN = 126 MHz
100
95
90
SFDR
85
80
75
SNR
70
65
60
55
50
0
5
10
15
20
ADC SAMPLE RATE (MSPS)
Figure 10. AD9238-20 Single-Tone SNR/SFDR vs. FS with fIN = 10 MHz
Rev. C | Page 11 of 48
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