LTC2185CUPPBF Ver la hoja de datos (PDF) - Linear Technology
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LTC2185CUPPBF Datasheet PDF : 36 Pages
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LTC2185/LTC2184/LTC2183
Typical Performance Characteristics
LTC2183: 64k Point 2-Tone FFT,
fIN = 69MHz, 70MHz, –7dBFS,
80Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10
20
30
FREQUENCY (MHz)
40
218543 G37
LTC2183: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 80Msps,
2V Range
100
95
90
3RD
85
80
2ND
75
70
65
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
218543 G40
LTC2183: IVDD vs Sample Rate,
5MHz, –1dBFS Sine Wave Input
on Each Channel
130
120
3.5mA LVDS OUTPUTS
110
100
CMOS OUTPUTS
90
80
0
20
40
60
SAMPLE RATE (Msps)
80
218543 G43
LTC2183: Shorted Input
Histogram
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
32817
32823 32829 32835
OUTPUT CODE
32841
218543 G38
LTC2183: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 80Msps,
1V Range
100
95
3RD
90
85
2ND
80
75
70
65
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
218543 G41
LTC2183: IOVDD vs Sample Rate,
5MHz, –1dBFS Sine Wave Input
on Each Channel
80 3.5mA LVDS
70
60
50
1.75mA LVDS
40
30
20
10
0
0
1.8V CMOS
1.2V CMOS
20
40
60
80
SAMPLE RATE (Msps)
218543 G44
LTC2183: SNR vs Input Frequency,
–1dBFS, 80Msps, 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)
218543 G39
LTC2183: SFDR vs Input Level,
fIN = 70MHz, 80Msps, 2V Range
130
120
dBFS
110
100
90
80
dBc
70
60
50
40
30
20
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
218543 G27
LTC2183: SNR vs SENSE,
fIN = 5MHz, –1dBFS
78
77
76
75
74
73
72
71
70
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
SENSE PIN (V)
218543 G45
218543f
15
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