LTC2298IUP データシートの表示（PDF） - Linear Technology
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LTC2298IUP Datasheet PDF : 28 Pages
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LTC2298/LTC2297/LTC2296
TYPICAL PERFOR A CE CHARACTERISTICS
LTC2298: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
75
74
73
72
71
70
0
50
100
150
200
INPUT FREQUENCY (MHz)
2298 G09
LTC2298: SFDR vs Input Frequency,
–1dB, 2V Range, 65Msps
100
95
90
85
80
75
70
65
0
50
100
150
200
INPUT FREQUENCY (MHz)
2298 G10
LTC2298: SNR and SFDR vs
Sample Rate, 2V Range,
fIN = 5MHz, –1dB
110
100
90
80
70
60
0 10 20 30 40 50 60 70 80 90 100 110
SAMPLE RATE (Msps)
2298 G11
LTC2298: SNR and SFDR vs
Clock Duty Cycle, 65Msps
100 SFDR: DCS ON
95
90
SFDR: DCS OFF
85
80
75 SNR: DCS ON
SNR: DCS OFF
70
30 35 40 45 50 55 60
CLOCK DUTY CYCLE (%)
65 70
2298 G12
LTC2298: SNR vs Input Level,
fIN = 30MHz, 2V Range, 65Msps
80
dBFS
70
60
50
dBc
40
30
20
10
0
–60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2298 G13
LTC2298: SFDR vs Input Level,
fIN = 30MHz, 2V Range, 65Msps
120
110
dBFS
100
90
80
dBc
70
60
90dBc SFDR
REFERENCE LINE
50
40
30
20
–60
–50 –40 –30 –20
INPUT LEVEL (dBFS)
–10 0
2298 G14
LTC2298: IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
155
145
135
125
2V RANGE
115
1V RANGE
105
95
0 10 20 30 40 50 60 70 80
SAMPLE RATE (Msps)
2298 G15
LTC2298: IOVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB,
OVDD = 1.8V
12
10
8
6
4
2
0
0 10 20 30 40 50 60 70 80
SAMPLE RATE (Msps)
2298 G16
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7
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