Datasheet

AD9228 Data Sheet
Rev. E | Page 18 of 56
0
–40
–60
–80
–100
–20
–120
0 5 10 15 20 25 30
05727-048
AMPLITUDE (dBFS)
FREQUENCY (MHz)
AIN1 AND AIN2 = –7dBFS
SFDR = 78.15dBc
IMD2 = 77.84dBc
IMD3 = 88.94dBc
Figure 33. Two-Tone 32k FFT with f
IN1
= 15 MHz and f
IN2
= 16 MHz,
f
SAMPLE
= 65 MSPS
0
–40
–60
–80
–100
–20
–120
0 5 10 15 20 25 30
AMPLITUDE (dBFS)
FREQUENCY (MHz)
05727-051
AIN1 AND AIN2 = –7dBFS
SFDR = 76.75dBc
IMD2 = 77.56dBc
IMD3 = 77.01dBc
Figure 34. Two-Tone 32k FFT with f
IN1
= 70 MHz and f
IN2
= 71 MHz,
f
SAMPLE
= 65 MSPS
SNR/SFDR (dB)
05727-071
50
55
60
65
70
75
80
85
90
1 10 100 1000
FREQUENCY (MHz)
2V p-p, SFDR
2V p-p, SNR
Figure 35. SNR/SFDR vs. Frequency, f
SAMPLE
= 65 MSPS
SINAD/SFDR (dB)
TEMPERATURE (°C)
05727-072
–40 –20 806040200
60
65
70
75
80
85
90
2V p-p, SINAD
2V p-p, SFDR
Figure 36. SINAD/SFDR vs. Temperature, f
IN
= 10.3 MHz, f
SAMPLE
= 65 MSPS
1.0
–1.0
0 4000350030002500200015001000500
CODE
INL (LSB)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
05727-073
Figure 37. INL, f
IN
= 2.4 MHz, f
SAMPLE
= 65 MSPS
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
DNL (LSB)
CODE
05727-074
0 500 1000 1500 2000 2500 3000 3500 4000
Figure 38. DNL, f
IN
= 2.4 MHz, f
SAMPLE
= 65 MSPS