LTC2274I(RevB) データシートの表示（PDF） - Linear Technology
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LTC2274I Datasheet PDF : 40 Pages
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LTC2274
TYPICAL PERFORMANCE CHARACTERISTICS VDD = 3.3V, OVDD = 1.5V, TA = 25°C, FS = 105Msps,
unless otherwise noted.
64k Point 2-Tone FFT,
fIN = 14.2MHz and 15.8MHz,
–15dBFS, PGA = 0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50
FREQUENCY (MHz)
2274 G10
64k FFT, fIN = 70.1MHz, –1dBFS,
PGA = 0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50
FREQUENCY (MHz)
2274 G11
64k FFT, fIN = 70.1MHz, –1dBFS,
PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50
FREQUENCY (MHz)
2274 G12
128k Point FFT, fIN = 70.1MHz,
–20dBFS, PGA = 0, Dither “Off”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50
FREQUENCY (MHz)
2274 G13
SFDR vs Input Level,
fIN = 140MHz, PGA = 1,
Dither “Off”
140
130
120
110
100
90
80
70
60
50
40
30
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2274 G16
128k Point FFT, fIN = 70.1MHz,
–20dBFS, PGA = 0, Dither “On”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50
FREQUENCY (MHz)
2274 G14
SFDR vs Input Level,
fIN = 140MHz, PGA = 1,
Dither “On”
140
130
120
110
100
90
80
70
60
50
40
30
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2274 G17
64k Point FFT, fIN = 140.2MHz,
–1dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50
FREQUENCY (MHz)
2274 G15
64k Point FFT, fIN = 170.2MHz,
–1dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50
FREQUENCY (MHz)
2274 G18
2274fb
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