
LTC2289
7
2289fa
SAMPLE RATE (Msps)
0
I OVDD
(mA)
2
6
8
10
14
10
50
70
2289 G17
4
12
40
90 100
20 30
60
80
SAMPLE RATE (Msps)
0
95
I VDD
(mA)
105
125
135
145
165
10
50
70
2289 G16
115
155
40
90 100
20 30
60
80
2V RANGE
1V RANGE
TYPICAL PERFOR A CE CHARACTERISTICS
UW
SNR and SFDR vs Sample Rate,
2V Range, fIN = 5MHz, –1dB
SNR and SFDR vs Clock Duty
Cycle, 80Msps
SNR vs Input Level,
fIN = 70MHz, 2V Range, 80Msps
IOVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dB, OVDD = 1.8V
IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
SFDR vs Input Level,
fIN = 70MHz, 2V Range, 80Msps
SFDR vs Input Frequency, –1dB,
2V Range, 80Msps
SNR vs Input Frequency, –1dB,
2V Range, 80Msps
INPUT FREQUENCY (MHz)
0
55
SNR
(dBFS)
56
58
59
60
65
62
50
100
2289 G10
57
63
64
61
150
200
INPUT FREQUENCY (MHz)
0
85
90
100
150
2289 G11
80
75
50
100
200
70
65
95
SFDR
(dBFS)
SAMPLE RATE (Msps)
0
SNR
AND
SFDR
(dBFS)
80
90
100
80
2289 G12
70
60
50
10 20 30 40 50 60 70
90 100 110
SFDR
SNR
CLOCK DUTY CYCLE (%)
30
SNR
AND
SFDR
(dBFS)
75
80
85
60
2289 G13
70
65
40
50
35
65
45
55
70
60
55
90
SFDR: DCS ON
SNR: DCS ON
SNR: DCS OFF
SFDR: DCS OFF
INPUT LEVEL (dBFS)
–50
SNR
(dBc
AND
dBFS)
30
40
50
–20
0
2289 G14
20
10
0
–40
–30
dBFS
dBc
–10
60
70
80
INPUT LEVEL (dBFS)
–50
0
SFDR
(dBc
AND
dBFS)
10
30
40
50
–30
–10
0
90
2289 G15
20
–40
–20
60
70
dBFS
dBc
80