
15
21754314fa
LTC2175-14/
LTC2174-14/LTC2173-14
Typical perForMance characTerisTics
LTC2173-14: IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
DCO Cycle-Cycle Jitter vs Serial
Data Rate
LTC2173-14: SNR vs SENSE,
fIN = 5MHz, –1dB
SENSE PIN (V)
0.6
71
68
69
70
67
66
72
73
74
SNR
(dBFS)
0.7
0.8
0.9
1.1
1.2
1.3
1
217514 G37
LTC2173-14: SFDR vs Input Level,
fIN = 70MHz, 2V Range, 80Msps
INPUT LEVEL (dBFS)
–80
60
50
40
30
20
10
0
80
70
SFDR
(dBc
AND
dBFS)
90
100
110
–70 –60 –50 –40 –30 –20 –10
0
217514 G36
dBFS
dBc
INPUT FREQUENCY (MHz)
0
90
85
80
75
70
65
95
SFDR
(dBFS)
50
100 150 200
250 300 350
217514 G35
LTC2173-14: SFDR vs Input
Frequency, –1dB, 2V Range,
80Msps
INPUT FREQUENCY (MHz)
0
72
71
70
69
68
67
66
74
73
SNR
(dBFS)
50
100 150 200
250 300 350
217514 G34
LTC2173-14: SNR vs Input
Frequency, –1dB, 2V Range,
80Msps
SERIAL DATA RATE (Mbps)
350
300
250
200
150
100
50
0
PEAK-TO-PEAK
JITTER
(ps)
0
200
400
600
800
1000
217514 G52
SAMPLE RATE (Msps)
190
180
170
160
150
140
I VDD
(mA)
0
20
40
60
80
217514 G55