LTC2261-12
LTC2260-12/LTC2259-12
12
226112fc
LTC2260-12: IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2260-12: IOVDD vs Sample
Rate, 5MHz Sine Wave Input,
–1dB, 5pF on Each Data Output
LTC2260-12: SNR vs SENSE,
fIN = 5MHz, –1dB
LTC2260-12: Shorted Input
Histogram
LTC2260-12: SFDR vs Input Level,
fIN = 70MHz, 2V Range, 105Msps
Typical perForMance characTerisTics
LTC2259-12: Integral Nonlinearity
(INL)
OUTPUT CODE
2044
2000
0
6000
4000
COUNT 8000
16000
14000
12000
10000
18000
2045
2048
226112 G28
SAMPLE RATE (Msps)
0
60
45
50
55
40
65
I VDD
(mA)
25
50
75
100
226112 G33
LVDS OUTPUTS
CMOS OUTPUTS
SAMPLE RATE (Msps)
25
10
15
20
5
0
45
30
35
40
I OVDD
(mA)
226112 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
226112 G32
dBFS
dBc
SENSE PIN (V)
0.6
71
68
69
70
67
66
72
SNR
(dBFS)
0.7
0.8
0.9
1.1
1.2
1.3
1
226112 G35
OUTPUT CODE
0
–1.0
–0.4
–0.6
–0.8
INL
ERROR
(LSB)
–0.2
0
0.4
0.6
0.2
0.8
1.0
1024
2048
3072
4096
226112 G41
INPUT FREQUENCY (MHz)
0
72
71
70
69
68
67
66
SNR
(dBFS)
50
100 150 200
250 300 350
226112 G29
INPUT FREQUENCY (MHz)
0
90
85
80
75
70
65
95
SFDR
(dBFS)
50
100 150 200
250 300 350
226112 G30
LTC2260-12: SNR vs Input
Frequency, –1dB, 2V Range,
105Msps
LTC2260-12: SFDR vs Input
Frequency, –1dB, 2V Range,
105Msps
LTC2260-12: 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
226112 G27