Datasheet

LTC2240-12
8
224012fd
TYPICAL PERFORMANCE CHARACTERISTICS
SFDR and SNR vs Sample Rate,
2V Range, f
IN
= 30MHz, –1dB,
LVDS Mode
SFDR vs Input Level, f
IN
= 70MHz,
2V Range SNR vs SENSE, f
IN
= 5MHz, –1dB
I
VDD
vs Sample Rate, 5MHz Sine
Wave Input, –1dB
I
OVDD
vs Sample Rate, 5MHz Sine
Wave Input, –1dB
(T
A
= 25°C unless otherwise noted, Note 4)
SAMPLE RATE (Msps)
0
90
85
80
75
70
65
60
55
120 140 160 180
224012 G13
40 6020 80 100
200
SFDR AND SNR (dBFS)
SFDR
SNR
INPUT LEVEL (dBFS)
–50
0
SFDR (dBc AND dFBS)
10
30
40
50
100
70
–40
–20
–10
224012 G14
20
80
90
60
–30
dBFS
dBc
0
10
SENSE PIN (V)
0.5
64
65
66
0.9
224112 G15
63
62
0.6 0.7 0.8 1
61
60
59
SNR (dBFS)
SAMPLE RATE (Msps)
0
I
VDD
(mA)
140
150
160
120
200
224012 G16
130
220
40 80 160
170
180
190
2V RANGE
1V RANGE
SAMPLE RATE (Msps)
0
0
I
OVDD
(mA)
10
20
30
40
60
40
80 120 160 200
224012 G17
50
CMOS OUTPUTS
O
VDD
= 1.8V
LVDS OUTPUTS
O
VDD
= 2.5V