
AD9230
Rev. 0 | Page 20 of 32
85
80
75
70
65
60
55
50
1.01.11.21.31.41.51.6
1.7
1.8
S
N
R/
S
F
DR
(
d
B)
VCM (V)
SNR (dB)
SFDR (dBc)
06
00
2-
13
0
Figure 46. SNR/SFDR vs. Common-Mode Voltage;
250 MSPS, 70.3 MHz @ 1 dBFS
80
40
45
50
55
60
65
70
75
50
300
250
200
150
100
S
NR/
S
F
D
R
(
d
B)
SAMPLE RATE (MSPS)
SNR (dB)
SFDR (dBc)
06
00
2-
1
2
Figure 47. SNR/SFDR vs. Sample Rate;
250 MSPS, 170.3 MHz @ 1 dBFS
85
80
75
70
65
60
0.9
1.6
1.5
1.4
1.3
1.2
1.1
1.0
S
NR/
S
F
D
R
(
d
B)
ANALOG INPUT RANGE (MHz)
SNR (dBFS)
SFDR (dBFS)
06
00
2-
1
3
1
Figure 48. SNR/SFDR vs. Analog Input Range;
250 MSPS, 170.3 MHz @ 1 dBFS
90
20
30
40
50
60
70
80
0
102030
405060708090
100
S
NR/
S
F
D
R
(
d
B)
INPUT CLOCK DUTY CYCLE (% CLK+ HIGH)
SNR (dBFS) w/ DCS ON
SFDR (dBFS) w/ DCS ON
SNR (dBFS) w/ DCS OFF
SFDR (dBFS) w/ DCS OFF
06
00
2-
1
0
Figure 49. SNR/SFDR vs. Sample Clock Duty Cycle;
250 MSPS, 170.3 MHz @ 1 dBFS
2.5
2.0
1.5
1.0
0.5
0
–0.5
–60
120
100
80
60
40
20
0
–20
–40
GA
IN
(
%
FS
)
TEMPERATURE (°C)
AD9230-210
AD9230-250
AD9230-170
06
00
2-
1
0
2
Figure 50. Gain vs. Temperature
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
–40 –30 –20 –10
0
90
80
70
60
50
40
30
20
10
O
F
S
ET
(m
V)
TEMPERATURE (°C)
AD9230-170
AD9230-210
AD9230-250
06
00
2-
1
0
3
Figure 51. Offset vs. Temperature