LTC2260-12_15 Datasheet, PDF (14/34 Pages) Linear Technology – 12-Bit, 125/105/80Msps Ultralow Power 1.8V ADCs

LTC2261-12
LTC2260-12/LTC2259-12
Typical Performance Characteristics
LTC2259-12: SFDR vs Input Level,
f_IN = 70MHz, 2V Range, 80Msps
110
100
90
dBFS
80
70
60
dBc
50
40
30
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
226112 G52
LTC2259-12: I_OVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB, 5pF
on Each Data Output
45
40
3.5mA LVDS
35
30
25
1.75mA LVDS
20
15
10
1.2V CMOS
5
1.8V CMOS
0
0
20
40
60
80
SAMPLE RATE (Msps)
226112 G54
LTC2259-12: I_VDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
55
50
LVDS OUTPUTS
45
CMOS OUTPUTS
40
35
0
20
40
60
SAMPLE RATE (Msps)
80
226112 G53
LTC2259-12: SNR vs SENSE,
f_IN = 5MHz, –1dB
72
71
70
69
68
67
66
0.6 0.7
0.8 0.9 1.0 1.1
SENSE PIN (V)
1.2 1.3
226112 G55
14
For more information www.linear.com/LTC2261-12
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