
LTC2240-12
7
224012fd
TYPICAL PERFORMANCE CHARACTERISTICS
8192 Point FFT, fIN = 70MHz,
–1dB, 2V Range, LVDS Mode
8192 Point FFT, fIN = 140MHz,
–1dB, 2V Range, LVDS Mode
8192 Point FFT, fIN = 240MHz,
–1dB, 2V Range, LVDS Mode
8192 Point FFT, fIN = 500MHz,
–1dB, 1V Range, LVDS Mode
8192 Point FFT, fIN = 1GHz,
–1dB, 1V Range, LVDS Mode
8192 Point 2-Tone FFT,
fIN = 135MHz and 140MHz,
–1dB, 2V Range, LVDS Mode
SNR vs Input Frequency, –1dB,
LVDS Mode
SFDR (HD2 and HD3) vs Input
Frequency, –1dB, LVDS Mode
SFDR (HD4+) vs Input Frequency,
–1dB, LVDS Mode
(TA = 25°C unless otherwise noted, Note 4)
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
20
40
60
10
30
50
70
224012 G04
–100
–40
–60
–90
–30
–110
–50
–70
80
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
20
40
60
10
30
50
70
224012 G05
–100
–40
–60
–90
–30
–110
–50
–70
80
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
20
40
60
10
30
50
70
224012 G06
–100
–40
–60
–90
–30
–110
–50
–70
80
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
20
40
60
10
30
50
70
224012 G07
–100
–40
–60
–90
–30
–110
–50
–70
80
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
20
40
60
10
30
50
70
224012 G08
–100
–40
–60
–90
–30
–110
–50
–70
80
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–80
–20
–10
0
20
40
60
10
30
50
70
224012 G09
–100
–40
–60
–90
–30
–110
–50
–70
80
INPUT FREQUENCY (MHz)
0
58
SNR
(dBFS)
59
61
62
63
600 700 800 900
67
224012 G10
60
100 200 300 400 500
1000
64
65
66
1V RANGE
2V RANGE
INPUT FREQUENCY (MHz)
0
SFDR
(dBFS)
70
80
85
800
224012 G11
60
50
65
75
55
45
40
200
100
400
300
600 700
900
500
1000
1V RANGE
2V RANGE
INPUT FREQUENCY (MHz)
0
60
SFDR
(dBFS)
65
75
80
85
95
100
500
700
224112 G12
70
90
400
9001000
200 300
600
800
1V RANGE
2V RANGE