Datasheet

LTC2265-14/
LTC2264-14/LTC2263-14
11
22654314fb
I
OVDD
vs Sample Rate, 5MHz Sine
Wave Input, –1dBFS
LTC2265-14: SNR vs SENSE,
f
IN
= 5MHz, –1dBFS
LTC2264-14: Integral Nonlinearity
(INL)
OUTPUT CODE
0
–1.0
–0.4
–0.2
–0.6
–0.8
DNL ERROR (LSB)
0
0.4
0.2
0.6
0.8
1.0
4096
8192 12288 16384
226514 G17
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20
226514 G18
SENSE PIN (V)
0.6
72
69
70
71
68
67
73
74
75
SNR (dBFS)
0.7 0.8 0.9 1.1 1.2 1.31
226514 G15
OUTPUT CODE
0
–2.0
–0.5
–1.0
–1.5
INL ERROR (LSB)
0
0.5
1.0
1.5
2.0
4096
8192 12288 16384
226514 G16
LTC2264-14: Differential
Nonlinearity (DNL)
LTC2264-14: 8k Point FFT, f
IN
=
5MHz, –1dBFS, 40Msps
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2265-14: SFDR vs Input Level,
f
IN
= 70MHz, 2V Range, 65Msps
LTC2265-14: I
VDD
vs Sample Rate,
5MHz Sine Wave Input, –1dBFS
LTC2265-14: SFDR vs Input
Frequency, –1dBFS, 2V Range,
65Msps
INPUT FREQUENCY (MHz)
0
90
85
80
75
70
65
95
SFDR (dBFS)
50
100 150 200 250 300 350
226514 G10
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
226514 G11
dBFS
dBc
INPUT LEVEL (dBFS)
60
50
40
30
20
10
0
80
70
SNR (dBc AND dBFS)
–60 –50 –40 –30 –20 –10 0
226514 G12
dBFS
dBc
SAMPLE RATE (Msps)
90
85
80
75
70
65
60
I
VDD
(mA)
0 10 20 30 40 50 60
226514 G13
SAMPLE RATE (Msps)
30
20
10
0
IO
VDD
(mA)
0 20 40 60
226514 G14
1-LANE, 1.75mA
2-LANE, 3.5mA
2-LANE, 1.75mA
1-LANE, 3.5mA
LTC2265-14: SNR vs Input Level,
f
IN
= 70MHz, 2V Range, 65Msps