LTC2208IUP-14 Просмотр технического описания (PDF) - Linear Technology
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LTC2208IUP-14 Datasheet PDF : 28 Pages
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LTC2208-14
TYPICAL PERFORMANCE CHARACTERISTICS
SFDR vs Input Level, fIN = 70.2MHz,
PGA = 0, RAND = “On”, Dither “Off”
120
SFDR vs Input Level, fIN = 70.2MHz,
PGA = 0, RAND = “On”, Dither “On”
120
100
100
80
80
60
60
40
40
20
20
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
220814 G19
32k Point 2-Tone FFT, fIN = 67.2MHz
and 74.4MHz, –15dBFS, PGA = 0,
RAND = “On”, Dither “Off”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10 20 30 40 50 60
FREQUENCY (MHz)
220814 G22
SFDR vs Input Level, fIN = 140.1MHz,
PGA = 1, RAND = “On”, Dither “Off”
120
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
220814 G20
32k Point FFT, fIN = 140.11MHz,
–1dBFS, PGA = 0, RAND = “On”,
Dither “Off”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10 20 30 40 50 60
FREQUENCY (MHz)
220814 G23
SFDR vs Input Level, fIN = 140.1MHz,
PGA = 1, RAND = “On”, Dither “On”
120
100
100
80
80
60
60
40
40
20
20
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
220814 G25
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
220814 G26
32k Point 2-Tone FFT, fIN = 67.2MHz
and 74.4MHz, –7dBFS, PGA = 0,
RAND = “On”, Dither “Off”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10 20 30 40 50 60
FREQUENCY (MHz)
220814 G21
32k Point FFT, fIN = 140.11MHz,
–1dBFS, PGA = 1, RAND = “On”,
Dither “Off”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10 20 30 40 50 60
FREQUENCY (MHz)
220814 G24
32k Point FFT, fIN = 170.1MHz,
–1dBFS, PGA = 1, RAND = “On”,
Dither “Off”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10 20 30 40 50 60
FREQUENCY (MHz)
220814 G27
220814fb
11
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