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ISLA222P
14
FN7853.1
June 17, 2011
FIGURE 7. SNR AND SFDR vs fSAMPLE
FIGURE 8. HD2 AND HD3 vs fSAMPLE
FIGURE 9. POWER vs fSAMPLE IN 3mA LVDS AND CMOS MODES
FIGURE 10. DIFFERENTIAL NONLINEARITY
FIGURE 11. INTEGRAL NONLINEARITY
FIGURE 12. SNR AND SFDR vs VCM
Typical Performance Curves All typical performance characteristics apply under the following conditions unless
otherwise noted: AVDD = OVDD = 1.8V, TA = +25°C, AIN =-dBFS, fIN = 105MHz, fSAMPLE = 250MSPS. (Continued)
70
72
74
76
78
80
82
84
70
90
110
130
150
170
190
210
230
250
SAMPLE RATE (MSPS)
SNR
(
d
BFS)
AND
SFDR
(dBc)
SFDR AIN = -2dBFS
SFDR AIN = -1dBFS
SNR AIN = -1dBFS
-105
-100
-95
-90
-85
-80
-75
70
90
110
130
150
170
190
210
230
250
SAMPLE RATE (MSPS)
HD2
AND
HD3
MAGNITUDE
(dBc)
H2
H3
400
450
500
550
600
650
700
750
800
850
40
60
80
100
120
140
160
180
200
220
240
SAMPLE RATE (MSPS)
TOT
A
L
PO
W
E
R
(m
W)
LVDS
CMOS
-1.0
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
0
500
1000
1500
2000
2500
3000
3500
4000
CODES
DNL
(LSBs)
-1.0
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
0
500
1000
1500
2000
2500
3000
3500
4000
CODES
INL
(L
SBs)
60
62
64
66
68
70
72
74
76
78
80
0.75
0.85
0.95
1.05
1.15
INPUT COMMON MODE (V)
SNR
SFDR
S
N
R
(dBFS)
AND
S
F
DR
(dBc)