AD9231 Datasheet, PDF (13/36 Pages) Analog Devices – 12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

AD9231
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.
0
100
–20
SFDR (dBc)
–40
IMD3 (dBc)
–60
90
SFDR
80
SNRFS
70
60
50
–80
–100
SFDR (dBFS)
IMD3 (dBFS)
–120
–70
–60
–50
–40
–30
–20
–10
INPUT AMPLITUDE (dBFS)
Figure 12. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
fIN1 = 28.3 MHz and fIN2 = 30.6 MHz
40
30
20
10
0
10
20
30
40
50
60
70
80
SAMPLE RATE (MHz)
Figure 15. AD9231-80 SNR/SFDR vs. Sample Rate with AIN = 9.7 MHz
100
SFDR
90
80
SNR
70
60
50
40
30
20
10
0
0
50
100
150
200
INPUT FREQUENCY (MHz)
Figure 13. AD9231-80 SNR/SFDR vs. Input Frequency (AIN) with
2 V p-p Full Scale
100
90
SFDRFS
80
SNRFS
70
60
SFDR
50
SNR
40
30
20
10
0
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBc)
Figure 16. AD9231-80 SNR/SFDR vs. Input Amplitude (AIN) with fIN = 9.7 MHz
0.3
0.4
0.2
0.2
0.1
0
0
–0.1
–0.2
–0.2
–0.3
0
500 1000 1500 2000 2500 3000 3500 4000
OUTPUT CODE
Figure 14. AD9231-80 DNL Error with fIN = 9.7 MHz
0.4
0
500 1000 1500 2000 2500 3000 3500 4000
OUTPUT CODE
Figure 17. AD9231-80 INL with fIN = 9.7 MHz
Rev. 0 | Page 13 of 36