LTC1745 データシートの表示（PDF） - Linear Technology
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LTC1745 Datasheet PDF : 20 Pages
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LTC1745
TYPICAL PERFOR A CE CHARACTERISTICS
Grounded Input Histogram
35000
SNR vs Sample Rate,
Input Frequency = 5MHz, –1dB
73
SFDR vs Sample Rate,
Input Frequency = 5MHz, –1dB
110
30000
25000
20000
72
3.2V RANGE
71
2V RANGE
70
100
3.2V RANGE
90
2V RANGE
15000
69
80
10000
68
70
5000
67
0
2041
2042
CODE
2043
1745 G10
66
0
10 20 30 40
SAMPLE RATE (Msps)
50 60
1745 G11
60
0
10 20 30 40 50 60
SAMPLE RATE (Msps)
1745 G12
SNR vs Input Frequency and
Amplitude 3.2V Range
80
SNR vs Input Frequency and
Amplitude 2V Range
80
75
–1dBFS
70
–6dBFS
65
75
–1dBFS
70
–6dBFS
65
60
55
–20dBFS
50
0 10 20 30 40 50 60 70 80 90 100
INPUT FREQUENCY (MHz)
1745 G13
SFDR vs Input Frequency
and Amplitude, 3.2V Range
110
–20dBFS
100
90
–6dBFS
80
–1dBFS
70
60
50
40
0 10 20 30 40 50 60 70 80 90 100
INPUT FREQUENCY (MHz)
1746 G15
60
55
–20dBFS
50
0 10 20 30 40 50 60 70 80 90 100
INPUT FREQUENCY (MHz)
1745 G14
SFDR vs Input Frequency
and Amplitude, 2V Range
110
–20dBFS
100
90
–6dBFS
80
–1dBFS
70
60
50
40
0
50
100
150
200
INPUT FREQUENCY (MHz)
1745 G16
1745f
6
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