LTC2246LX(RevB) 查看數據表（PDF） - Linear Technology
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LTC2246LX Datasheet PDF : 18 Pages
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LTC2246H
TYPICAL PERFORMANCE CHARACTERISTICS
8192 Point 2-Tone FFT,
fIN = 10.9MHz and 13.8MHz,
–1dB, 2V Range, 25Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 2 4 6 8 10 12
FREQUENCY (MHz)
2246H G07
Grounded Input Histogram,
25Msps
25000
22016
20000
18803
15000
13373
10000
6919
5000
3227
43 853
278
0
8179 8180 8181 8182 8183 8184 8185 8186
CODE
2246H G08
SFDR vs Input Frequency, –1dB,
2V Range, 25Msps
100
95
90
85
80
75
70
65
0
50
100
150
200
INPUT FREQUENCY (MHz) 2246H G10
SNR and SFDR vs Sample Rate,
2V Range, fIN = 5MHz, –1dB
110
100
SFDR
90
80
SNR
70
60
0
10
20
30
40
50
SAMPLE RATE (Msps)
2246H G11
SFDR vs Input Level, fIN = 5MHz,
2V Range, 25Msps
120
110
100
dBFS
90
80
dBc
70
60
90dBc SFDR
REFERENCE LINE
50
40
30
20
–60
–50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2246H G13
IVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dB
35
30
2V RANGE
25
1V RANGE
20
15
0 5 10 15 20 25 30 35
SAMPLE RATE (Msps)
2246H G14
6
SNR vs Input Frequency, –1dB,
2V Range, 25Msps
75
74
73
72
71
70
0
50
100
150
200
INPUT FREQUENCY (MHz) 2246H G09
SNR vs Input Level, fIN = 5MHz,
2V Range, –1dB
80
70
dBFS
60
50
dBc
40
30
20
10
0
–60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2246H G12
IOVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dB, OVDD = 1.8V
3
2
1
0
0 5 10 15 20 25 30 35
SAMPLE RATE (Msps)
2246H G15
2246hfb
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