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LTC2193 Datasheet PDF : 28 Pages
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LTC2195
LTC2194/LTC2193
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2195: 2nd, 3rd Harmonic
vs Input Frequency, –1dBFS,
125Msps, 2V Range
100
95
90
3RD
85
80
2ND
75
70
65
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
219543 G10
LTC2195: IVDD vs Sample Rate,
5MHz, –1dBFS Sine Wave Input
230
220
210
200
190
180
170
160
0
25
50
75 100 125
SAMPLE RATE (Msps)
219543 G13
LTC2194: Integral
Nonlinearity (INL)
4.0
3.0
2.0
1.0
0
–1.0
–2.0
–3.0
–4.0
0
16384 32768 49152 65536
OUTPUT CODE
219543 G16
10
LTC2195: 2nd, 3rd Harmonic
vs Input Frequency, –1dBFS,
125Msps, 1V Range
100
95
3RD
90
85
2ND
80
75
70
65
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
219543 G11
LTC2195: IOVDD vs Sample Rate,
5MHz, –1dBFS Sine Wave Input
45
4-LANE, 3.5mA
35
2-LANE, 3.5mA 4-LANE, 1.75mA
25
1-LANE, 3.5mA
15
2-LANE, 1.75mA
1-LANE, 1.75mA
5
0
25
50
75 100 125
SAMPLE RATE (Msps)
219543 G14
LTC2194: Differential
Nonlinearity (DNL)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384 32768 49152 65536
OUTPUT CODE
219543 G17
LTC2195: SFDR vs Input Level,
fIN = 70MHz, 125Msps, 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)
219543 G12
LTC2195: 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
SENSE PIN (V)
1.2 1.3
219543 G15
LTC2194: 64k Point FFT,
fIN = 5MHz, –1dBFS, 105Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10
20
30
40
50
FREQUENCY (MHz)
219543 G18
219543f
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