LTC2140-12 Ver la hoja de datos (PDF) - Linear Technology
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LTC2140-12 Datasheet PDF : 36 Pages
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LTC2142-12/
LTC2141-12/LTC2140-12
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2142-12: Integral
Non-Linearity (INL)
1.0
0.8
0.6
0.4
0.2
0.0
0.2
–0.4
–0.6
–0.8
–1.0
0
1024
2048
3072
4096
OUTPUT CODE
21421012 G01
LTC2142-12: Differential
Non-Linearity (DNL)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1024
2048
3072
4096
OUTPUT CODE
21421012 G02
LTC2142-12: 64k Point FFT,
fIN = 30MHz, –1dBFS, 65Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10
20
30
FREQUENCY (MHz)
21421012 G04
LTC2142-12: 64k Point 2-Tone
FFT, fIN = 69MHz, 70MHz,
–7dBFS, 65Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10
20
FREQUENCY (MHz)
30
21421012 G07
LTC2142-12: 64k Point FFT,
fIN = 70MHz, –1dBFS, 65Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10
20
30
FREQUENCY (MHz)
21421012 G05
LTC2142-12: Shorted Input
Histogram
18000
16000
14000
12000
10000
8000
6000
4000
2000
0
2043
2044
2045
2046
2047
OUTPUT CODE
21421012 G08
LTC2142-12: 64k Point FFT, fIN =
5MHz, –1dBFS, 65Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10
20
30
FREQUENCY (MHz)
21421012 G03
LTC2142-12: 64k Point FFT,
fIN = 140MHz, –1dBFS, 65Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10
20
30
FREQUENCY (MHz)
21421012 G06
LTC2142-12: SNR vs Input
Frequency, –1dBFS, 65Msps,
2V Range
72
71
SINGLE-ENDED
ENCODE
70
DIFFERENTIAL
ENCODE
69
68
0
50 100 150 200 250 300
INPUT FREQUENCY (MHz)
21421012 G09
21421012p
11
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