
ISLA224S
10
FN7911.2
April 25, 2013
Typical Performance Curves
All Typical Performance Characteristics apply under the following conditions unless otherwise noted: AVDD = OVDD = 1.8V, TA = +25°C, AIN = -2dBFS,
fIN = 105MHz, fSAMPLE = 250MSPS.
FIGURE 3. SNR AND SFDR vs fIN
FIGURE 4. HD2 AND HD3 vs fIN
FIGURE 5. SNR AND SFDR vs AIN (250MSPS)
FIGURE 6. HD2 AND HD3 vs AIN (250MSPS)
FIGURE 7. SNR AND SFDR vs fSAMPLE
FIGURE 8. HD2 AND HD3 vs fSAMPLE
50
55
60
65
70
75
80
85
90
95
0
100
200
300
400
500
600
700
INPUT FREQUENCY (MHz)
SNR
(dBF
S
)AN
D
SFDR
(dB
c
)
SFDR AT 200 MSPS
SFDR AT 250 MSPS
SFDR AT 125 MSPS
SNR AT 250 MSPS
SNR AT 200 MSPS
SNR AT 125 MSPS
-100
-95
-90
-85
-80
-75
-70
-65
-60
-55
-50
0
100
200
300
400
500
600
700
INPUT FREQUENCY (MHz)
HD2
AND
HD3
MAGNITUD
E
(d
Bc
)
HD2 AT 200 MSPS
HD2 AT 250 MSPS
HD2 AT 125 MSPS
HD3 AT 250 MSPS
HD3 AT 200 MSPS
HD3 AT 125 MSPS
0
10
20
30
40
50
60
70
80
90
100
-60
-50
-40
-30
-20
-10
0
INPUT AMPLITUDE (dBFS)
SNR
AN
D
SFDR
SNR (dBFS)
SFDR (dBFS)
SFDR (dBc)
SNR (dBc)
-120
-100
-80
-60
-40
-20
0
-60-50
-40-30
-20-10
0
HD2
AND
HD3
MAGNIT
UDE
(dBc)
INPUT AMPLITUDE (dBFS)
HD2 (dBc)
HD3 (dBFS)
HD2 (dBFS)
HD3 (dBc)
60
65
70
75
80
85
90
50
100
150
200
250
300
SNR
(
d
BFS)
AND
SFDR
(dBc)
SAMPLE RATE (MSPS)
SFDR
SNR
-100
-95
-90
-85
-80
-75
50
100
150
200
250
300
HD2
A
ND
HD3
M
A
GNITUDE
(dBc)
SAMPLE RATE (MSPS)
HD2
HD3