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
32k Point FFT, fIN = 250.11MHz,
–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 G28
32k Point FFT, fIN = 380.11MHz,
–10dBFS, 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 G31
SNR and SFDR vs Sample Rate
fIN = 5.1MHz, –1dBFS
110
105
100
SFDR
95
90
85
80
SNR
75
70
0 25 50 75 100 125 150 175 200
SAMPLE RATE (Msps)
220814 G34
32k Point FFT, fIN = 250.11MHz,
–10dBFS, 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 G29
SFDR (HD2 and HD3)
vs Input Frequency
110
105
100
95
PGA = 1
90
85
PGA = 0
80
75
70
65
0
50 100 150 200 250 300
INPUT FREQUENCY (MHz)
220814 G32
SNR and SFDR vs Supply Voltage
(VDD), fIN = 5.1MHz, –1dBFS
110
105
SFDR
100
95
90
85
80
SNR
75
70
2.8
3.0
3.2
3.4
3.6
SUPPLY VOLTAGE (V)
220814 G35
12
32k Point FFT, fIN = 380.11MHz,
–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 G30
SNR vs Input Frequency
78
77
76
PGA = 0
75
74
PGA = 1
73
72
71
0
100
200
300
INPUT FREQUENCY (MHz)
220814 G33
IVDD vs Sample Rate,
fIN = 5.1MHz, –1dBfs
470
450
VDD = 3.47V
430
VDD = 3.3V
410
VDD = 3.13V
390
370
350
0
20 40 60 80 100 120 140 160
SAMPLE RATE (Msps)
220814 G36
220814fb
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