Datasheet

LTC2240-12
7
224012fd
TYPICAL PERFORMANCE CHARACTERISTICS
8192 Point FFT, f
IN
= 70MHz,
–1dB, 2V Range, LVDS Mode
8192 Point FFT, f
IN
= 140MHz,
–1dB, 2V Range, LVDS Mode
8192 Point FFT, f
IN
= 240MHz,
–1dB, 2V Range, LVDS Mode
8192 Point FFT, f
IN
= 500MHz,
–1dB, 1V Range, LVDS Mode
8192 Point FFT, f
IN
= 1GHz,
–1dB, 1V Range, LVDS Mode
8192 Point 2-Tone FFT,
f
IN
= 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
(T
A
= 25°C unless otherwise noted, Note 4)
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–80
–20
–10
0
20 40 6010 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 6010 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 6010 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 6010 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 6010 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 6010 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
200100
400300
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
900
1000
200
300
600 800
1V RANGE
2V RANGE