AD6672(Rev0) 查看數據表（PDF） - Analog Devices
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AD6672 Datasheet PDF : 32 Pages
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AD6672
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, sample rate = 250 MSPS, DCS enabled, 1.75 V p-p differential input, VIN = −1.0 dBFS, 32k sample, TA = 25°C,
unless otherwise noted.
0
0
250MSPS
250 MSPS
30.1MHz @ –1.0dBFS
185.1MHz @ –1.0dBFS
–20
SNR = 65.6dB (66.6dBFS)
–20 SNR = 65.4dB (66.4dBFS)
SFDR = 88dBc
SFDR = 87dBc
–40
–40
–60
SECOND
HARMONIC
THIRD
HARMONIC
–80
–60
THIRD
HARMONIC
–80
SECOND
HARMONIC
–100
–100
–120
–120
–140
0
10 20 30 40 50 60 70 80 90 100 110 120
FREQUENCY (MHz)
Figure 4. Single-Tone FFT with fIN = 30.1 MHz
–140
0
10 20 30 40 50 60 70 80 90 100 110 120
FREQUENCY (MHz)
Figure 7. Single-Tone FFT with fIN = 185.1 MHz
0
250MSPS
90.1MHz @ –1.0dBFS
–20 SNR = 65.6dB (66.6dBFS)
SFDR = 88dBc
–40
–60
THIRD
SECOND
HARMONIC HARMONIC
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100 110 120
FREQUENCY (MHz)
Figure 5. Single-Tone FFT with fIN = 90.1 MHz
0
250 MSPS
220.1MHz @ –1.0dBFS
–20
SNR = 65.3dB (66.3dBFS)
SFDR = 88dBc
–40
–60
SECOND
HARMONIC
THIRD
HARMONIC
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100 110 120
FREQUENCY (MHz)
Figure 8. Single-Tone FFT with fIN = 220.1 MHz
0
250MSPS
140.1MHz @ –1.0dBFS
–20 SNR = 65.5dB (66.5dBFS)
SFDR = 89dBc
–40
–60
SECOND
HARMONIC
THIRD
HARMONIC
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100 110 120
FREQUENCY (MHz)
Figure 6. Single-Tone FFT with fIN = 140.1 MHz
0
250 MSPS
305.1MHz @ –1.0dBFS
–20
SNR = 64.8dB (65.8dBFS)
SFDR = 82dBc
–40
–60
THIRD
SECOND
HARMONIC HARMONIC
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100 110 120
FREQUENCY (MHz)
Figure 9. Single-Tone FFT with fIN = 305.1 MHz
Rev. 0 | Page 12 of 32
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