Datasheet

LTC2283
7
2283fb
TYPICAL PERFORMANCE CHARACTERISTICS
SNR vs Input Frequency,
–1dB, 2V Range, 125Msps
SFDR vs Input Frequency,
–1dB, 2V Range, 125Msps
SNR and SFDR vs Sample Rate,
2V Range, f
IN
= 5MHz, –1dB
SNR vs Input Level,
f
IN
= 70MHz, 2V Range, 125Msps
SFDR vs Input Level,
f
IN
= 70MHz, 2V Range, 125Msps
I
VDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB
I
OVDD
vs Sample Rate, 5MHz Sine
Wave Input, –1dB, 0V
DD
= 1.8V SNR vs SENSE, f
IN
= 5MHz, –1dB
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
72
150
2283 G10
69
67
50 100 200
66
65
73
71
70
68
250 300 350
INPUT FREQUENCY (MHz)
0
SFDR (dBFS)
85
90
95
150 250
2283 G11
80
75
50 100
200 300 350
70
65
SAMPLE RATE (Msps)
0
50
SNR AND SFDR (dBFS)
60
70
80
90
20 40 60 80
2283 G12
100 120 140 160
SFDR
SNR
INPUT LEVEL (dBFS)
–60
SNR (dBc AND dBFS)
30
40
50
–30
–10
2283 G13
20
10
0
–50 –40
dBFS
dBc
–20
60
70
80
0
INPUT LEVEL (dBFS)
–60
0
SFDR (dBc AND dBFS)
20
40
50
10
30
60
80
–40 –20–50 –30 –10
2283 G14
0
100
110
70
90
dBFS
dBc
SAMPLE RATE (Msps)
0
I
VDD
(mA)
260
280
80
2283 G15
240
220
250
270
290
230
210
200
190
20
40
60
100 120
140
2V RANGE
1V RANGE
SAMPLE RATE (Msps)
0
I
OVDD
(mA)
14
60
2283 G16
8
4
20 40 80
2
0
16
12
10
6
100 120 140
SENSE PIN (V)
0.4
SNR (dBFS)
71
0.7
2283 G17
68
66
0.5 0.6 0.8
65
64
72
70
69
67
0.9 1.0 1.1