AD9650 Datasheet, PDF (18/44 Pages) Analog Devices – 16-Bit, 25 MSPS/65 MSPS/80 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)

AD9650
AD9650-65
0
–20
–40
65MSPS
9.7MHz @ –1dBFS
SNR = 82.1dB (83.1dBFS)
SFDR = 98.7dBc
–60
–80
–100
–120
–140
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 21. AD9650-65 Single-Tone FFT with fIN = 9.7 MHz
0
65MSPS
30.3MHz @ –1dBFS
–20 ^{SNR = 81.5dB (82.5dBFS)}
SFDR = 93.5dBc
–40
–60
–80
–100
–120
–140
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 22. AD9650-65 Single-Tone FFT with fIN = 30.3 MHz
0
65MSPS
70.1MHz @ –1dBFS
–20
SNR = 80.4dB (81.4dBFS)
SFDR = 86dBc
–40
–60
–80
–100
–120
–140
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 23. AD9650-65 Single-Tone FFT with fIN = 70.1 MHz
0
65MSPS
141MHz @ –1dBFS
–20
SNR = 78.5dB (79.5dBFS)
SFDR = 79.2dBc
–40
–60
–80
–100
–120
–140
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 24. AD9650-65 Single-Tone FFT with fIN = 141 MHz
0
65MSPS
30.3MHz @ –6dBFS
–20 ^{SNR = 77.3dB (83.3dBFS)}
SFDR = 96.2dBc
–40
–60
–80
–100
–120
–140
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 25. AD9650-65 Single-Tone FFT with fIN = 30.3 MHz at −6 dBFS with
Dither Disabled
0
65MSPS
30.3MHz @ –6dBFS
–20 ^{SNR = 76.9dB (82.9dBFS)}
SFDR = 100dBc
–40
–60
–80
–100
–120
–140
0
5
10
15
20
25
30
FREQUENCY (MHz)
Figure 26. AD9650-65 Single-Tone FFT with fIN = 30.3 MHz @ −6 dBFS with
Dither Enabled
Rev. 0 | Page 18 of 44