LTC2261-14
LTC2260-14/LTC2259-14
12
226114fc
LTC2260-14: IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2260-14: IOVDD vs Sample
Rate, 5MHz Sine Wave Input,
–1dB, 5pF on Each Data Output
LTC2260-14: Shorted Input
Histogram
LTC2260-14: SFDR vs Input Level,
fIN = 70MHz, 2V Range, 105Msps
Typical perForMance characTerisTics
OUTPUT CODE
8195
1000
0
3000
2000
COUNT
4000
5000
6000
8197
8199
8201
8203
226114 G28
SAMPLE RATE (Msps)
0
60
45
50
55
40
65
I VDD
(mA)
25
50
75
100
226114 G33
LVDS OUTPUTS
CMOS OUTPUTS
SAMPLE RATE (Msps)
25
10
15
20
5
0
45
30
35
40
I OVDD
(mA)
226114 G34
1.75mA LVDS
1.8V CMOS
1.2V CMOS
3.5mA LVDS
0
25
50
75
100
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
226114 G32
dBFS
dBc
INPUT FREQUENCY (MHz)
0
72
71
70
69
68
67
66
74
73
SNR
(dBFS)
50
100 150 200
250 300 350
226114 G29
INPUT FREQUENCY (MHz)
0
90
85
80
75
70
65
95
SFDR
(dBFS)
50
100 150 200
250 300 350
226114 G30
LTC2260-14: SNR vs Input
Frequency, –1dB, 2V Range,
105Msps
LTC2260-14: SFDR vs Input
Frequency, –1dB, 2V Range,
105Msps
LTC2260-14: 8k Point FFT, fIN = 70MHz
–1dBFS, 105Msps
LTC2260-14: 8k Point FFT, fIN = 140MHz
–1dBFS, 105Msps
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
50
226114 G25
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
50
226114 G26
LTC2260-14: 8k Point 2-Tone FFT,
fIN = 70MHz, 75MHz, –1dBFS,
105Msps
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
50
226114 G27