PERFORMANCE CHARACTERISTICS
SNR vs Input Frequency
80
80
THD vs Input Frequency
70
70
fs = 10 MSPS
Total Harmonic Distortion (dB)
Signal-to-Noise Ratio (dB)
60
60
50
fs = 10 MSPS
50
40
40
30
30
20
10 -1
100
101
20
10-1
100
101
Input Frequency (MHz)
Input Frequency (MHz)
SNR, THD, SINAD vs Sample Rate
80
SINAD vs Input Frequency
80
60
Signal-to-Noise and Distortion (dB)
70
SNR,
THD
fs =10 MSPS
70
SNR, THD, SINAD (dB)
60
SINAD
50
50
f
IN = 1 MHz
40
40
30
30
20
10
0
20
Sample Rate (MSPS)
10
1
10
2
10 -1
100
101
Input Frequency (MHz)
SPT7920
Spectral Response
0
SNR, THD, SINAD vs Temperature
75
f
S
= 10 MSPS
f
IN
= 1 MHz
SNR, THD, SINAD (dB)
-30
70
SNR
Amplitude (dB)
65
-60
THD
60
SINAD
-90
f
S = 10 MSPS
f
IN = 1 MHz
55
-120
0
1
2
3
4
5
50
Frequency (MHz)
-25
0
+25
+50
+75
Temperature (°C)
SPT7920
6
3/10/97
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
