LTC2190 Ver la hoja de datos (PDF) - Linear Technology
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LTC2190 Datasheet PDF : 28 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC2192
LTC2191/LTC2190
LTC2191: 64k Point FFT,
fIN = 30MHz, –1dBFS, 40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
FREQUENCY (MHz)
20
219210 G19
LTC2191: 64k Point 2-Tone FFT,
fIN = 69MHz, 70MHz, –7dBFS,
40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
FREQUENCY (MHz)
20
219210 G22
LTC2191: 64k Point FFT,
fIN = 70MHz, –1dBFS, 40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
FREQUENCY (MHz)
20
219210 G20
LTC2191: Shorted Input Histogram
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
32823
32829 32835 32841
OUTPUT CODE
32847
219210 G23
LTC2191: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 40Msps,
2V Range
100
95
90
3RD
85
80
2ND
75
70
65
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
219210 G25
LTC2191: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 40Msps,
1V Range
100
95
3RD
90
85
2ND
80
75
70
65
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
219210 G26
LTC2191: 64k Point FFT,
fIN = 140MHz, –1dBFS, 40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
FREQUENCY (MHz)
20
219210 G21
LTC2191: SNR vs Input Frequency,
–1dBFS, 40Msps, 2V Range
78
77
SINGLE-ENDED
ENCODE
76
75
74
DIFFERENTIAL
ENCODE
73
72
71
70
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
219210 G24
LTC2191: SFDR vs Input Level,
fIN = 70MHz, 40Msps, 2V Range
130
120
dBFS
110
100
90
dBc
80
70
60
50
40
30
20
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
219210 G27
219210p
11
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