LTC2280I 查看數據表（PDF） - Linear Technology
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LTC2280I Datasheet PDF : 24 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
SNR vs Input Frequency, –1dB,
2V Range, 105Msps
65
64
63
62
61
60
59
58
57
56
55
0
50 100 150 200 250 300 350
INPUT FREQUENCY (MHz) 2280 G10
SFDR vs Input Frequency, –1dB,
2V Range, 105Msps
95
90
85
80
75
70
65
0 50 100 150 200 250 300 350
INPUT FREQUENCY (MHz) 2280 G11
SNR vs Input Level,
fIN = 70MHz, 2V Range, 105Msps
80
70
dBFS
60
50
40
dBc
30
20
10
0
–50 –40 –30 –20 –10
0
INPUT LEVEL (dBFS)
2280 G13
SFDR vs Input Level,
fIN = 70MHz, 2V Range, 105Msps
100
dBFS
90
80
70
dBc
60
50
40
30
20
10
0
–50 –40 –30 –20 –10
0
INPUT LEVEL (dBFS)
2280 G14
LTC2280
SNR and SFDR vs Sample Rate,
2V Range, fIN = 5MHz, –1dB
90
SFDR
80
70
SNR
60
50
0
20 40 60 80 100 120 140
SAMPLE RATE (Msps)
2280 G12
IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
200
190
180
170
2V RANGE
160
1V RANGE
150
140
130
120
110
0
20 40 60 80 100 120
SAMPLE RATE (Msps)
2280 G15
IOVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dB, OVDD = 1.8V
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0
0 20 40 60 80 100 120
SAMPLE RATE (Msps)
2280 G16
SNR vs SENSE, fIN = 5MHz, –1dB
61.8
61.6
61.4
61.2
61.0
60.8
60.6
60.4
60.2
0.4 0.5
0.6 0.7 0.8 0.9
SENSE PIN (V)
1 1.1
2280 G17
2280fa
7
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