LTC2293/LTC2292/LTC2291
10
229321fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2291: 8192 Point 2-Tone FFT,
fIN = 10.9MHz and 13.8MHz,
–1dB, 2V Range, 25Msps
LTC2291: Grounded Input
Histogram, 25Msps
LTC2291: SNR vs Input Frequency,
–1dB, 2V Range, 25Msps
LTC2291: SFDR vs Input
Frequency, –1dB, 2V Range,
25Msps
LTC2291: SNR and SFDR vs
Sample Rate, 2V Range,
fIN = 5MHz, –1dB
LTC2291: SNR vs Input Level,
fIN = 5MHz, 2V Range, 25Msps
LTC2291: 8192 Point FFT,
fIN = 30MHz, –1dB, 2V Range,
25Msps
LTC2291: 8192 Point FFT,
fIN = 70MHz, –1dB, 2V Range,
25Msps
LTC2291: 8192 Point FFT,
fIN = 140MHz, –1dB, 2V Range,
25Msps
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
229321 G36
24
6
8
10
12
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
229321 G37
24
6
8
10
12
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
229321 G38
24
6
8
10
12
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
229321 G39
24
68
10
12
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
CODE
COUNT
2050
229321 G40
2048
2049
70000
60000
50000
40000
30000
20000
10000
0
61758
1607
2155
INPUT FREQUENCY (MHz)
0
SNR
(dBFS)
70
71
200
229321 G41
69
68
50
100
150
72
INPUT FREQUENCY (MHz)
0
100
95
90
85
80
75
70
65
150
229321 G42
50
100
200
SFDR
(dBFS)
SAMPLE RATE (Msps)
0
SNR
AND
SFDR
(dBFS)
110
100
90
80
70
60
40
50
229321 G43
10
20
30
SNR
SFDR
INPUT LEVEL (dBFS)
–60
–50
SNR
(dBc
AND
dBFS)
– 40
–20
–30
–10
0
229321 G44
80
70
60
50
40
30
20
10
0
dBFS
dBc