Datasheet

LTC2228/LTC2227/LTC2226
9
222876fb
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2227: SFDR vs Input Frequency,
–1dB, 2V Range, 40Msps
LTC2227: SFDR vs Input Level,
f
IN
= 5MHz, 2V Range, 40Msps
LTC2227: I
VDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2227: SNR and SFDR vs Sample
Rate, 2V Range,f
IN
= 5MHz, –1dB
INPUT FREQUENCY (MHz)
0
100
95
90
85
80
75
70
65
150
2227 G10
50 100 200
SFDR (dBFS)
SAMPLE RATE (Msps)
0
SNR AND SFDR (dBFS)
110
100
90
80
70
60
2227 G11
4020 60
80
SNR
SFDR
LTC2227: SNR vs Input Level,
f
IN
= 5MHz, 2V Range, 40Msps
INPUT LEVEL (dBFS)
–60 –50
SNR (dBc AND dBFS)
–40 –20–30
–10
0
2227 G12
80
70
60
50
40
30
20
10
0
dBFS
dBc
2227 G13
INPUT LEVEL (dBFS)
–60 –50 –40 –20–30
–10
0
SNR (dBc AND dBFS)
120
110
100
90
80
70
60
50
40
30
20
dBFS
dBc
90dBc SFDR
REFERENCE LINE
2227 G14
SAMPLE RATE (Msps)
0
50
45
40
35
30
20 40 5010 30
I
VDD
(mA)
2V RANGE
1V RANGE
LTC2227: I
OVDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB,
OV
DD
= 1.8V
2227 G15
SAMPLE RATE (Msps)
I
OVDD
(mA)
4
3
2
1
0
0
20
40
50
10 30