LTC2208CUP-PBF Просмотр технического описания (PDF) - Linear Technology
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LTC2208CUP-PBF Datasheet PDF : 32 Pages
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LTC2208
TYPICAL PERFORMANCE CHARACTERISTICS
64k Point FFT, fIN = 250.1MHz,
–1dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 10 20 30 40 50 60
FREQUENCY (MHz)
2208 G36
64k Point FFT, fIN = 380MHz,
–10dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 10 20 30 40 50 60
FREQUENCY (MHz)
2208 G39
SNR and SFDR vs Sample Rate,
fIN = 5MHz
110
105
SFDR
100
LIMIT
95
90
85
80 SNR
75
70
0 25 50 75 100 125 150 175 200
SAMPLE RATE (Msps)
2208 G32
12
64k Point FFT, fIN = 250.1MHz,
–10dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 10 20 30 40 50 60
FREQUENCY (MHz)
2208 G37
SFDR (HD2 and HD3) vs
Input Frequency
105
100
95
90
PGA = 1
85
80
PGA = 0
75
70
65
0
100 200 300 400 500
INPUT FREQUENCY (MHz)
2208 G23
SNR and SFDR vs Supply
Voltage (VDD), fIN = 5MHz
110
LOWER LIMIT
105
SFDR
100
95
UPPER LIMIT
90
85
80
SNR
75
70
2.8
3
3.2
3.4
SUPPLY VOLTAGE (V)
3.6
2208 G33
64k Point FFT, fIN = 380MHz,
–1dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 10 20 30 40 50 60
FREQUENCY (MHz)
2208 G38
SNR vs Input Frequency
78
77
76
PGA = 0
75
74
PGA = 1
73
72
71
70
0
100 200 300 400 500
INPUT FREQUENCY (MHz)
2208 G40
IVDD vs Sample Rate, 5MHz Sine
Wave, –1dBFS
420
400
380
360
340
320
300
0
50
100
SAMPLE RATE (Msps)
150
2208 G13
2208fc
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