Datasheet

LTC2299
7
2299fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
SNR and SFDR vs Sample Rate,
2V Range, f
IN
= 5MHz, –1dB
SNR and SFDR vs Clock Duty
Cycle, 80Msps
SNR vs Input Level,
f
IN
= 70MHz, 2V Range, 80Msps
I
OVDD
vs Sample Rate, 5MHz Sine
Wave Input, –1dB, O
VDD
= 1.8V
I
VDD
vs Sample Rate, 5MHz Sine
Wave Input, –1dB
SFDR vs Input Level,
f
IN
= 70MHz, 2V Range, 80Msps
SFDR vs Input Frequency, –1dB,
2V Range, 80Msps
SAMPLE RATE (Msps)
0
95
I
VDD
(mA)
105
125
135
145
165
10
50
70
2299 G16
115
155
40
90
100
20
30
60 80
2V RANGE
1V RANGE
SAMPLE RATE (Msps)
0
0
I
OVDD
(mA)
2
6
8
10
14
10
50
70
2299 G17
4
12
40
90
100
20
30
60 80
SNR vs Input Frequency, –1dB,
2V Range, 80Msps
INPUT FREQUENCY (MHz)
0
65
SNR (dBFS)
66
68
69
70
75
72
50
100
2299 G10
67
73
74
71
150
200
INPUT FREQUENCY (MHz)
0
85
90
100
150
2299 G11
80
75
50 100 200
70
65
95
SFDR (dBFS)
SAMPLE RATE (Msps)
0
SNR AND SFDR (dBFS)
80
90
100
80
2299 G12
70
60
50
10 20 30
40 50
60 70 90 100
110
SFDR
SNR
CLOCK DUTY CYCLE (%)
30
SNR AND SFDR (dBFS)
85
90
60
2299 G13
80
75
40 50
35 65
45 55 70
70
95
SFDR: DCS ON
SNR: DCS ON
SNR: DCS OFF
SFDR: DCS OFF
INPUT LEVEL (dBFS)
–50–60–70
SNR (dBc AND dBFS)
30
40
50
–20
0
2299 G14
20
10
0
–40 –30
dBFS
dBc
–10
60
70
80
INPUT LEVEL (dBFS)
–80
SFDR (dBc AND dBFS)
60
dBc
dBFS
90
100
0
2299 G15
50
40
0
–60
–40
–20
20
120
110
80
70
30
10
100dBc SFDR
REFERENCE LINE