LTC2265-14_15 Datasheet, PDF (14/32 Pages) Linear Technology – 14-Bit, 65Msps/40Msps/ 25Msps Low Power Dual ADCs

LTC2265-14/
LTC2264-14/LTC2263-14
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2263-14: SNR vs Input
Frequency, –1dBFS, 2V Range,
25Msps
74
73
72
71
70
69
68
67
66
0 50 100 150 200 250 300 350
INPUT FREQUENCY (MHz)
226514 G37
LTC2263-14: SFDR vs Input
Frequency, –1dBFS, 2V Range,
25Msps
95
90
85
80
75
70
65
0 50 100 150 200 250 300 350
INPUT FREQUENCY (MHz)
226514 G38
LTC2263-14: I_VDD vs Sample Rate,
5MHz Sine Wave Input, –1dBFS
50
45
40
35
30
0
5
10
15
20
25
SAMPLE RATE (Msps)
226514 G40
LTC2263-14: SNR vs SENSE,
f_IN = 5MHz, –1dBFS
74
73
72
71
70
69
68
67
66
0.6 0.7
0.8 0.9 1 1.1
SENSE PIN (V)
1.2 1.3
226514 G41
LTC2263-14: SFDR vs Input Level,
f_IN = 70MHz, 2V Range, 25Msps
110
100
dBFS
90
80
70
dBc
60
50
40
30
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
226514 G39
DCO Cycle-Cycle Jitter vs Serial
Data Rate
350
300
250
200
150
100
50
0
0
200 400 600 800 1000
SERIAL DATA RATE (Mbps)
226514 G42
14
22654314fb