Datasheet

LTC2288/LTC2287/LTC2286
7
228876fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2288: SNR and SFDR vs
Sample Rate, 2V Range,
f
IN
= 5MHz, –1dB
LTC2288: SNR vs Input Level,
f
IN
= 30MHz, 2V Range, 65Msps
LTC2288: I
OVDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB,
O
VDD
= 1.8V
LTC2288: I
VDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2288: SFDR vs Input Level,
f
IN
= 30MHz, 2V Range, 65Msps
LTC2288: SFDR vs Input Frequency,
–1dB, 2V Range, 65Msps
SAMPLE RATE (Msps)
I
VDD
(mA)
228876 G15
155
145
135
125
115
105
95
0
20
40
50
10 30
60
70
80
2V RANGE
1V RANGE
SAMPLE RATE (Msps)
I
OVDD
(mA)
228876 G16
12
10
8
6
4
2
0
0
20
40
50
10 30
60
70
80
LTC2288: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
59.5
60.5
200
228876 G10
58.5
57.5
50
100
150
62.5
61.5
INPUT FREQUENCY (MHz)
0
85
90
100
150
228876 G11
80
75
50 100 200
70
65
95
SFDR (dBFS)
SAMPLE RATE (Msps)
0
SNR AND SFDR (dBFS)
80
90
100
80
228876 G12
70
60
50
10 20 30
40 50
60 70 90 100
110
SFDR
SNR
INPUT LEVEL (dBFS)
–60
SNR (dBc AND dBFS)
30
40
50
–30
–10
228876 G13
20
10
0
–50 –40
dBFS
dBc
–20
60
70
80
0
INPUT LEVEL (dBFS)
–60
0
SFDR (dBc AND dBFS)
20
40
60
80
120
–50
–40 –30
dBFS
dBc
–20
228876 G14
–10 0
100
10
30
50
70
110
90
80dBc SFDR
REFERENCE LINE