LTC2209IUP Просмотр технического описания (PDF) - Linear Technology
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LTC2209IUP Datasheet PDF : 32 Pages
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LTC2209
Typical Performance Characteristics
64k Point FFT, fIN = 250.1MHz,
–10dBFS, PGA = 1, Dither “On”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
2209 G28
64k Point FFT, fIN = 380MHz,
–10dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
2209 G31
SNR and SFDR vs Sample Rate,
fIN = 5.1MHz
115
110
SFDR
LIMIT
105
100
95
90
85
80
SNR
75
70
0
40 80 120 160 200
SAMPLE RATE (Msps)
2209 G34
12
64k Point FFT, fIN = 250.1MHz,
–20dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
2209 G29
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)
2209 G32
SNR and SFDR vs Supply
Voltage (VDD), fIN = 5.1MHz
110
LOWER LIMIT
105
100
SFDR
95
90
UPPER LIMIT
85
80
SNR
75
70
2.8
3.0
3.2
3.4
SUPPLY VOLTAGE (V)
3.6
2209 G35
64k Point FFT, fIN = 380MHz,
–1dBFS, PGA = 1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50 60 70 80
FREQUENCY (MHz)
2209 G30
SNR vs Input Frequency
78
77
76
PGA = 0
75
74
73
PGA = 1
72
71
70
0
100 200 300 400 500
INPUT FREQUENCY (MHz)
2209 G33
IVDD vs Sample Rate, 5MHz Sine,
–1dBFS
500
475
VDD = 3.3V
450
VDD = 3.47V
425
VDD = 3.13V
400
375
350
0
50
100
150
SAMPLE RATE (Msps)
200
2209 G36
2209fb
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