Datasheet

LTC2228/LTC2227/LTC2226
11
222876fb
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2226: SFDR vs Input Frequency,
–1dB, 2V Range, 25Msps
LTC2226: SFDR vs Input Level,
f
IN
= 5MHz, 2V Range, 25Msps
LTC2226: I
VDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2226: SNR and SFDR vs Sample
Rate, 2V Range,f
IN
= 5MHz, –1dB
LTC2226: SNR vs Input Level,
f
IN
= 5MHz, 2V Range, 25Msps
LTC2226: I
OVDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB,
OV
DD
= 1.8V
INPUT FREQUENCY (MHz)
0
100
95
90
85
80
75
70
65
150
2226 G10
50 100 200
SFDR (dBFS)
SAMPLE RATE (Msps)
0
SNR AND SFDR (dBFS)
110
100
90
80
70
60
40 50
2226 G11
10
20
30
SNR
SFDR
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
INPUT LEVEL (dBFS)
–60 –50 –40 –20–30
–10
0
SFDR (dBc AND dBFS)
2226 G13
120
110
100
90
80
70
60
50
40
30
20
dBFS
dBc
90dBc SFDR
REFERENCE LINE
SAMPLE RATE (Msps)
0
35
30
25
20
15
30
2226 G14
10 20 25515 35
I
VDD
(mA)
2V RANGE
1V RANGE
SAMPLE RATE (Msps)
I
OVDD
(mA)
2226 G15
3
2
1
0
0
20
30515
35
10 25