AD9269 Analog Devices, AD9269 Datasheet - Page 17

• 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

AD9269-20
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
–20
–40
–60
–80
–20
–40
–60
–80
0
0
Figure 27. AD9269-20 Single-Tone FFT with f
Figure 26. AD9269-20 Single-Tone FFT with f
0
0
20MSPS
9.7MHz @ –1dBFS
SNR = 76.9dB (77.9dBFS)
SFDR = 95.6dBc
20MSPS
30.6MHz @ –1dBFS
SNR = 76.7dB (77.7dBFS)
SFDR = 90.7dBc
1
1
2
2
3
3
FREQUENCY (MHz)
FREQUENCY (MHz)
4
4
5
5
6
6
7
7
IN
IN
= 30.6 MHz
= 9.7 MHz
8
8
9
9
10
10
Rev. 0 | Page 17 of 40
Figure 28. AD9269-20 SNR/SFDR vs. Input Amplitude (AIN) with f
120
100
80
60
40
20
0
–90
–80
–70
SFDR (dBc)
INPUT AMPLITUDE (dBFS)
–60
–50
SFDRFS
SNRFS
–40
SNR (dBc)
–30
–20
–10
AD9269
IN
= 9.7 MHz
0