AD9269 Analog Devices, AD9269 Datasheet - Page 15

• Manufacturer Part Number: AD9269
• Description: 16-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9269

• Resolution (bits): 16bit
• # Chan: 2
• Sample Rate: 80MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9269-65
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, DCS disabled,
unless otherwise noted.
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
Figure 20. AD9269-65 Single-Tone FFT with f
Figure 18. AD9269-65 Single-Tone FFT with f
Figure 19. AD9269-65 Single-Tone FFT with f
0
0
0
65MSPS
30.6MHz @ –1dBFS
SNR = 76.6dB (77.6dBFS)
SFDR = 89.9dBc
5
5
5
10
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
15
65MSPS
9.7MHz @ –1dBFS
SNR = 76.9dB (77.9dBFS)
SFDR = 95.9dBc
65MSPS
69MHz @ –1dBFS
SNR = 75.5dB (76.5dBFS)
SFDR = 87.4dBc
20
20
20
IN
25
25
25
IN
IN
= 30.6 MHz
= 9.7 MHz
= 69 MHz
3
3
3
0
0
0
Rev. 0 | Page 15 of 40
Figure 21. AD9269-65 SNR/SFDR vs. Input Amplitude (AIN) with f
Figure 22. AD9269-65 SNR/SFDR vs. Input Frequency (AIN) with
100
120
100
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
–65 –60
0
SNRFS
–50
50
SFDR
INPUT FREQUENCY (MHz)
INPUT AMPLITUDE (dBFS)
2 V p-p Full Scale
SNR (dBFS)
–40
SFDRFS
100
–30
SFDR (dBc)
SNR
–20
150
–10
AD9269
IN
= 9.7 MHz
200
0