AD9203
1.2E+07
10000000
1.0E+07
0.6
8.0E+06
HITS
LSB
4560
0.0E+00
N–1
N
CODE
10310
N+1
–1.0
0
100
200
300
400
500
600
700
800
900
1024
0.4
0.2
6.0E+06
0.0
–0.2
4.0E+06
–0.4
2.0E+06
–0.6
–0.8
1.0
0.8
Figure 8. Grounded Input Histogram
Figure 11. Typical DNL Performance
80
75
–THD
70
+SNR/–THD – dB
65
60
55
50
45
40
dB
10.0
0.0
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
SNR = 59.9dB
THD = –75dB
SFDR = 82dB
SNR
0
10
20
30
40
SAMPLE RATE – MSPS
50
60
–120.0
0E+0 2.5E+6 5E+6 7.5E+6 10E+6 12.5E+6 15E+6 17.5E+6 20E+6
Figure 9. SNR and THD vs. Sample Rate (f
IN
= 20 MHz)
Figure 12. Single Tone Frequency Domain Performance
(Input Frequency = 10 MHz, Sample Rate = 40 MSPS 2 V
Differential Input, 8192 Point FFT)
1.0
0.8
0.6
0.4
0.2
LSB
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
100
200
300
400
500
600
700
800
900
1024
+SNR/–THD – dB
80
75
–THD
70
65
60
SNR
55
50
2.5
3.0
3.5
SUPPLY VOLTAGE – V
4.0
Figure 10. Typical INL Performance
Figure 13. THD vs. Power Supply (f
IN
= 20 MHz, Sample
Rate = 40 MSPS)
–8–
REV. 0
AD [ ANALOG DEVICES ]
