AD9269 Analog Devices, AD9269 Datasheet - Page 14

• 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
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.
Figure 13. AD9269-80 SNR/SFDR vs. Sample Rate with AIN = 9.7 MHz
–0.5
–1.0
–1.5
100
100
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
Figure 12. AD9269-80 SNR/SFDR vs. Input Frequency (AIN)
0
10
0
0
20
Figure 14. DNL Error with f
16,384
50
30
with 2 V p-p Full Scale
INPUT FREQUENCY (MHz)
SAMPLE RATE (MSPS)
SNR (dBFS)
OUTPUT CODE
SNR (dBFS)
SFDR (dBc)
40
32,768
100
SFDR (dBc)
50
IN
= 9.7 MHz
49,152
60
150
70
65,536
200
80
Rev. 0 | Page 14 of 40
Figure 15. AD9269-80 SNR/SFDR vs. Input Amplitude (AIN) with f
4.0M
3.5M
3.0M
2.5M
2.0M
1.5M
1.0M
500k
120
100
–2
–4
–6
80
60
40
20
6
4
2
0
0
–65 –60
0
0
SNRFS
Figure 16. Grounded Input Histogram
16,384
Figure 17. INL with f
–50
SFDR
INPUT AMPLITUDE (dBFS)
–40
OUTPUT CODE
OUTPUT CODE
SFDRFS
32,768
–30
IN
= 9.7 MHz
SNR
–20
49,152
2.8 LSB RMS
–10
IN
65,536
= 9.7 MHz
0