AD6643 データシートの表示（PDF） - Analog Devices
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AD6643 Datasheet PDF : 40 Pages
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Data Sheet
AD6643
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, sample rate = maximum sample rate per speed grade, DCS enabled, 1.75 V p-p differential input, VIN =
−1.0 dBFS, 32k sample, TA = 25°C, unless otherwise noted.
0
0
200MSPS
30.1MHz @ –1dBFS
–20
SNR = 65.8dB (66.8dBFS)
–20
SFDR = 88dBc
–40
–40
200MSPS
185.1MHz @ –1dBFS
SNR = 65.2dB (66.2dBFS)
SFDR = 87.5dBc
–60
–60
THIRD HARMONIC
–80
–80
–100
–100
–120
–120
–140
0
10 20 30 40 50 60 70 80 90 100
FREQUENCY (MHz)
Figure 6. AD6643-200 Single Tone FFT, fIN = 30.1 MHz
–140
0
10 20 30 40 50 60 70 80 90 100
FREQUENCY (MHz)
Figure 9. AD6643-200 Single Tone FFT, fIN = 185.1 MHz
0
200MSPS
90.1MHz @ –1dBFS
–20 SNR = 65.5dB (66.5dBFS)
SFDR = 88dBc
–40
–60
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100
FREQUENCY (MHz)
Figure 7. AD6643-200 Single Tone FFT, fIN = 90.1 MHz
0
200MSPS
220.1MHz @ –1dBFS
–20
SNR = 65dB (66dBFS)
SFDR = 84dBc
–40
–60
THIRD HARMONIC
SECOND HARMONIC
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100
FREQUENCY (MHz)
Figure 10. AD6643-200 Single Tone FFT, fIN = 220.1 MHz
0
200MSPS
140.1MHz @ –1dBFS
–20 SNR = 65.4dB (66.4dBFS)
SFDR = 87.5dBc
–40
–60
THIRD HARMONIC
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100
FREQUENCY (MHz)
Figure 8. AD6643-200 Single Tone FFT, fIN = 140.1 MHz
0
200MSPS
305.1MHz @ –1dBFS
–20 SNR = 64.4dB (65.4dBFS)
SFDR = 79dBc
–40
–60
THIRD HARMONIC
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100
FREQUENCY (MHz)
Figure 11. AD6643-200 Single Tone FFT, fIN = 305.1 MHz
Rev. C | Page 15 of 40
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