LTC2209CUP-TR(RevA) Просмотр технического описания (PDF) - Linear Technology
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LTC2209CUP-TR 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
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
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
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
2209fa
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