LTC2264-12_15 Datasheet, PDF (13/34 Pages) Linear Technology – 12-Bit, 65Msps/40Msps/ 25Msps Low Power Dual ADCs

LTC2265-12/
LTC2264-12/LTC2263-12
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2265-12: SFDR vs Input
Frequency, –1dBFS, 2V Range,
65Msps
95
90
85
80
75
70
65
0 50 100 150 200 250 300 350
INPUT FREQUENCY (MHz)
226512 G10
LTC2265-12: SFDR vs Input Level,
f_IN = 70MHz, 2V Range, 65Msps
110
100
dBFS
90
80
70
dBc
60
50
40
30
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
226512 G11
LTC2265-12: I_VDD vs Sample Rate,
5MHz Sine Wave Input, –1dBFS
90
85
80
75
I_OVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dBFS
30
2-LANE, 3.5mA
20
1-LANE, 3.5mA
2-LANE, 1.75mA
70
10
1-LANE, 1.75mA
65
60
0 10 20 30 40 50 60
SAMPLE RATE (Msps)
226512 G13
0
0 10 20 30 40 50 60
SAMPLE RATE (Msps)
226512 G14
LTC2264-12: Integral Nonlinearity
(INL)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1024
2048
3072
OUTPUT CODE
4096
226512 G16
LTC2264-12: Differential
Nonlinearity (DNL)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1024
2048
3072
OUTPUT CODE
4096
226512 G17
LTC2265-12: SNR vs Input Level,
f_IN = 70MHz, 2V Range, 65Msps
80
dBFS
70
60
50
dBc
40
30
20
10
0
–60 –50 –40 –30 –20 –10 0
INPUT LEVEL(dBFS)
226512 G12
LTC2265-12: SNR vs SENSE,
f_IN = 5MHz, –1dBFS
72
71
70
69
68
67
66
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
SENSE PIN (V)
226512 G15
LTC2264-12: 8k Point FFT, f_IN =
5MHz, –1dBFS, 40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10
20
FREQUENCY (MHz)
226512 G18
22654312fb
13