LTC2288/LTC2287/LTC2286
10
228876fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2286: 8192 Point 2-Tone FFT,
fIN = 10.9MHz and 13.8MHz,
–1dB, 2V Range, 25Msps
LTC2286: Grounded Input
Histogram, 25Msps
LTC2286: SNR vs Input Frequency,
–1dB, 2V Range, 25Msps
LTC2286: SFDR vs Input
Frequency, –1dB, 2V Range,
25Msps
LTC2286: SNR and SFDR vs
Sample Rate, 2V Range,
fIN = 5MHz, –1dB
LTC2286: SNR vs Input Level,
fIN = 5MHz, 2V Range, 25Msps
LTC2286: 8192 Point FFT,
fIN = 30MHz, –1dB, 2V Range,
25Msps
LTC2286: 8192 Point FFT,
fIN = 70MHz, –1dB, 2V Range,
25Msps
LTC2286: 8192 Point FFT,
fIN = 140MHz, –1dB, 2V Range,
25Msps
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
4
8
10
228876 G35
–100
–110
–40
–60
–90
–30
–120
–50
–70
2
6
12
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
4
8
10
228876 G36
–100
–110
–40
–60
–90
–30
–120
–50
–70
2
6
12
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
4
8
10
228876 G37
–100
–110
–40
–60
–90
–30
–120
–50
–70
2
6
12
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
4
8
10
228876 G38
–100
–110
–40
–60
–90
–30
–120
–50
–70
2
6
12
CODE
70000
60000
50000
40000
30000
20000
10000
0
512
65520
513
228876 G39
511
0
COUNT
INPUT FREQUENCY (MHz)
0
SNR
(dBFS)
59.5
60.5
200
228876 G40
58.5
57.5
50
100
150
62.5
61.5
INPUT FREQUENCY (MHz)
0
85
90
100
150
228876 G41
80
75
50
100
200
70
65
95
SFDR
(dBFS)
SAMPLE RATE (Msps)
0
SNR
AND
SFDR
(dBFS)
80
90
100
40
228876 G42
70
60
50
510 15 20 25 30 35
45 50
SFDR
SNR
INPUT LEVEL (dBFS)
–60
SNR
(dBc
AND
dBFS)
30
40
50
–30
–10
228876 G43
20
10
0
–50
–40
dBFS
dBc
–20
60
70
80
0