AD9683 データシートの表示（PDF） - Analog Devices
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AD9683 Datasheet PDF : 44 Pages
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Data Sheet
AD9683
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, DVDD = 1.8 V, maximum sample rate for speed grade, VIN = −1.0 dBFS, 1.75 V p-p differential input,
DCS enabled, 16k sample, TA = 25°C, default SPI, unless otherwise noted.
0
170MSPS
90.1MHz AT –1.0dBFS
–20
SNR = 70.7dB (71.7dBFS)
SFDR = 89dBc
0
170MSPS
185.1MHz AT –1dBFS
–20
SNR = 70.1dB (71.1dBFS)
SFDR = 84dBc
–40
–40
–60
–80
–100
SECOND HARMONIC
THIRD HARMONIC
–60
–80
–100
THIRD
HARMONIC
SECOND
HARMONIC
–120
–120
–140
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
Figure 5. AD9683-170 Single-Tone FFT with fIN = 90.1 MHz
0
170MSPS
90.1MHz AT –1.0dBFS
–20
SNR = 71.1dB (72.1dBFS)
SFDR = 88dBc
–40
–140
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
Figure 8. AD9683-170 Single-Tone FFT with fIN = 185.1 MHz,
RFCLK = 680 MHz with Divide by 4 (Address 0x09 = 0x21)
0
170MSPS
305.1MHz AT –1.0dBFS
–20
SNR = 67.6dB (68.6dBFS)
SFDR = 85dBc
–40
–60
–80
–100
SECOND HARMONIC
THIRD HARMONIC
–60
–80
–100
THIRD
HARMONIC
SECOND
HARMONIC
–120
–120
–140
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
Figure 6. AD9683-170 Single-Tone FFT with fIN = 90.1 MHz, RFCLK = 680 MHz
with Divide by 4 (Address 0x09 = 0x21)
0
170MSPS
185.1MHz AT –1.0dBFS
–20
SNR = 69.6dB (70.6 dBFS)
SFDR = 90dBc
–40
–60
–80
–100
THIRD
SECOND HARMONIC
HARMONIC
–120
–140
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
Figure 9. AD9683-170 Single-Tone FFT with fIN = 305.1 MHz
120
100
SFDR (dBFS)
80
SNR (dBFS)
60
SFDR (dBc)
40
SNR (dBc)
20
–140
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
Figure 7. AD9683-170 Single-Tone FFT with fIN = 185.1 MHz
0
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0
INPUT AMPLITUDE (dBFS)
Figure 10. AD9683-170 Single-Tone SNR/SFDR vs. Input Amplitude (AIN)
with fIN = 185.1 MHz
Rev. 0 | Page 13 of 44
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