LTC2246 データシートの表示（PDF） - Linear Technology
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LTC2246 Datasheet PDF : 24 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC2299
SNR vs Input Frequency, –1dB,
2V Range, 80Msps
75
74
73
72
71
70
69
68
67
66
65
0
50
100
150
200
INPUT FREQUENCY (MHz)
2299 G10
SNR and SFDR vs Clock Duty
Cycle, 80Msps
95 SFDR: DCS ON
90
SFDR: DCS OFF
85
80
75
SNR: DCS ON
SNR: DCS OFF
70
30 35 40 45 50 55 60 65 70
CLOCK DUTY CYCLE (%)
2299 G13
SFDR vs Input Frequency, –1dB,
2V Range, 80Msps
100
95
90
85
80
75
70
65
0
50
100
150
INPUT FREQUENCY (MHz)
200
2299 G11
SNR vs Input Level,
fIN = 70MHz, 2V Range, 80Msps
80
dBFS
70
60
50
40
dBc
30
20
10
0
–70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2299 G14
SNR and SFDR vs Sample Rate,
2V Range, fIN = 5MHz, –1dB
100
90
SFDR
80
SNR
70
60
50
0 10 20 30 40 50 60 70 80 90 100 110
SAMPLE RATE (Msps)
2299 G12
SFDR vs Input Level,
fIN = 70MHz, 2V Range, 80Msps
120
110
dBFS
100
90
80
70
dBc
60
50
40
100dBc SFDR
REFERENCE LINE
30
20
10
0
–80
–60
–40
–20
0
INPUT LEVEL (dBFS)
2299 G15
IVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dB
165
155
145
2V RANGE
135
1V RANGE
125
115
105
95
0 10 20 30 40 50 60 70 80 90 100
SAMPLE RATE (Msps)
2299 G16
IOVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dB, OVDD = 1.8V
14
12
10
8
6
4
2
0
0 10 20 30 40 50 60 70 80 90 100
SAMPLE RATE (Msps)
2299 G17
2299fa
7
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