AD9652_17 Datasheet, PDF (14/37 Pages) Analog Devices – Analog-to-Digital Converter (ADC)

Data Sheet
AD9652
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD3 = 3.3 V, AVDD = AVDD_CLK = 1.8 V, SPIVDD = DRVDD = 1.8 V, sample rate = 310 MSPS (clock input = 1240 MHz, AD9652
divide by 4), VIN = −1.0 dBFS differential, VREF = 1.25 V, DCS enabled, dither disabled, unless otherwise noted.
0
A_IN = –1dBFS
SNRFS = 75.0dB
–20 ^{SFDR = 89dBc}
0
A_IN = –1dBFS
SNRFS = 74.4dB
–20 ^{SFDR = 90dBc}
–40
–40
–60
–60
–80
–80
–100
–100
–120
–120
–140
0
20
40
60
80 100 120 140
f_IN (MHz)
Figure 6. Single Tone Fast Fourier Transform (FFT) with fIN = 70.1 MHz
(NSD = −156.7 dBFS/Hz)
0
A_IN = –7dBFS
SNRFS = 75.7dB
–20 ^{SFDR = 91.9dBc}
–140
0
20
40
60
80 100 120 140
f_IN (MHz)
Figure 9. Single Tone FFT with fIN = 70.1 MHz with Dither
(NSD = −156.3 dBFS/Hz)
0
A_IN = –7dBFS
SNRFS = 75.2dB
–20 ^{SFDR = 94.4dBc}
–40
–40
–60
–60
–80
–80
–100
–100
–120
–120
–140
0
20
40
60
80 100 120 140
f_IN (MHz)
Figure 7. Single Tone FFT with fIN = 70.1 MHz at −7 dBFS
(NSD = −157.6 dBFS/Hz)
0
A_IN = –1dBFS
SNRFS = 73.2dB
–20 ^{SFDR = 88dBc}
–40
–60
–80
–100
–120
–140
0
20
40
60
80 100 120 140
f_IN (MHz)
Figure 8. Single Tone FFT with fIN = 185 MHz. at −1 dBFS
(NSD = −155.2 dBFS/Hz), Register 0x22A = 0x01
–140
0
20
40
60
80 100 120 140
f_IN (MHz)
Figure 10. Single Tone FFT with fIN = 70.1 MHz at −7 dBFS with Dither
(NSD = −157.1 dBFS/Hz)
0
A_IN = –1dBFS
SNRFS = 72.9dB
–20 ^{SFDR = 88dBc}
–40
–60
–80
–100
–120
–140
0
20
40
60
80 100 120 140
f_IN (MHz)
Figure 11. Single Tone FFT with fIN = 185 MHz at −1 dBFS with Dither
(NSD = −154.9 dBFS/Hz), Register 0x22A = 0x01
Rev. B | Page 13 of 36