TYPICAL PERFORMANCE CHARACTERISTICS
SNR vs Input Frequency
80
80
THD vs Input Frequency
70
70
fs = 20 MSPS
Signal-to-Noise Ratio (dB)
60
Total Harmonic Distortion (dB)
fs = 20 MSPS
60
50
50
40
40
30
30
20
100
101
102
20
100
101
102
Input Frequency (MHz)
Input Frequency (MHz)
SINAD vs Input Frequency
80
SNR, THD, SINAD vs Sample Rate
80
Signal-to-Noise and Distortion (dB)
70
70
60
SNR, THD, SINAD (dB)
fs =20 MSPS
SNR, THD
60
50
50
SINAD
40
40
f
in = 1 MHz
30
30
20
100
101
102
20
100
101
102
Input Frequency (MHz)
Sample Rate (MSPS)
Spectral Response
0
SNR, THD, SINAD vs Temperature
65
fs = 20 MSPS
fin = 1 MHz
60
SNR
SNR
-30
SNR, THD, SINAD (dB)
Amplitude (dB)
THD
55
THD
SINAD
50
-60
-90
f
s = 20 MSPS
f
in = 1 MHz
45
-120
0
1
2
3
4
5
6
7
8
9
10
40
-25
0
+25
+50
+75
Input Frequency (MHz)
Temperature (°C)
SPT7810
6
3/11/97
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
