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SBAS308A− MAY 2004 − REVISED MARCH 2005
TYPICAL CHARACTERISTICS (continued)
Typical values at TA = +25°C, full temperature range is TMIN = −40°C to TMAX = +85°C, AVDD = DRVDD = 3.3V, sampling rate = 80MSPS,
50% clock duty cycle, 3VPP differential clock, and −1dBFS differential input, unless otherwise noted.
AC PERFORMANCE
AC PERFORMANCE
vs DIGITAL SUPPLY VOLTAGE
vs DIGITAL SUPPLY VOLTAGE
95
90
85
80
75
70
65
95
90
85
80
75
70
65
fIN = 150MHz
fIN = 70MHz
SFDR
SFDR
SNR
SNR
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.0
3.1
3.2
3.3
3.4
3.5
V
3.6
80
0
−
−
−
−
DVDD Digital Supply Voltage
V
DVDD Digital Supply Voltage
Figure 23
Figure 24
POWER DISSIPATION
vs SAMPLE RATE
POWER DISSIPATION
vs SAMPLE RATE
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
fIN = 70MHz
fIN = 150MHz
10
20
30
40
50
60
70
80
10
20
30
40
50
60
70
−
−
Sample Rate MSPS
Sample Rate MSPS
Figure 25
Figure 26
AC PERFORMANCE
vs TEMPERATURE
AC PERFORMANCE
vs INPUT AMPLITUDE
100
95
90
85
80
75
70
65
60
100
90
80
70
60
50
40
30
20
10
0
fIN = 70MHz
SNR (dBFS)
SFDR
SNR
SFDR (dBc)
SNR (dBc)
−
−
−
10
20
30
fIN = 70MHz
−
−
−
−
−
−
−
−
−
−
−
−
10
40
15
+10
+35
+60
+85
100 90
80
70
60
50
40
30 20
− _
−
Temperature
C
Input Amplitude dBFS
Figure 27
Figure 28
16
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