Datasheet

LTC2261-14
LTC2260-14/LTC2259-14
14
226114fc
For more information www.linear.com/LTC2261-14
Typical perForMance characTerisTics
LTC2259-14: I
VDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2259-14: I
OVDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB, 5pF
on Each Data Output
LTC2259-14: SNR vs SENSE,
f
IN
= 5MHz, –1dB
SAMPLE RATE (Msps)
0
25
10
15
20
5
0
45
30
35
40
I
OVDD
(mA)
20 40 60 80
226114 G54
1.75mA LVDS
1.8V CMOS
1.2V CMOS
3.5mA LVDS
SAMPLE RATE (Msps)
0
50
35
40
45
55
I
VDD
(mA)
20 40 60 80
226114 G53
LVDS OUTPUTS
CMOS OUTPUTS
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 1.31
226114 G55
LTC2259-14: SFDR vs Input Level,
f
IN
= 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
226114 G52
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 G49
INPUT FREQUENCY (MHz)
0
90
85
80
75
70
65
95
SFDR (dBFS)
50
100 150 200 250 300 350
226114 G50
LTC2259-14: SNR vs Input
Frequency, –1dB, 2V Range,
80Msps
LTC2259-14: SFDR vs Input
Frequency, –1dB, 2V Range,
80Msps