Datasheet

LTC2228/LTC2227/LTC2226
6
222876fb
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2228: Typical INL, 2V Range,
65Msps
LTC2228: Typical DNL, 2V Range,
65Msps
LTC2228: 8192 Point FFT,
f
IN
= 5MHz, –1dB, 2V Range,
65Msps
LTC2228: 8192 Point FFT,
f
IN
= 30MHz, –1dB, 2V Range,
65Msps
LTC2228: 8192 Point 2-Tone FFT,
f
IN
= 28.2MHz and 26.8MHz,
–1dB, 2V Range, 65Msps
LTC2228: Grounded Input
Histogram, 65Msps
LTC2228: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
CODE
0
INL ERROR (LSB)
3072
2228 G01
1024 2048 4096
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
CODE
0
DNL ERROR (LSB)
3072
2228 G02
1024 2048 4096
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
FREQUENCY (MHz)
0
2228 G03
51015
AMPLITUDE (dB)
20 25
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
LTC2228: 8192 Point FFT,
f
IN
= 70MHz, –1dB, 2V Range,
65Msps
LTC2228: 8192 Point FFT,
f
IN
= 140MHz, –1dB, 2V Range,
65Msps
FREQUENCY (MHz)
0
2228 G04
51015
AMPLITUDE (dB)
20 25
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
2228 G05
51015
AMPLITUDE (dB)
20 25
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
2228 G06
51015
AMPLITUDE (dB)
20 25
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
2228 G07
51015
AMPLITUDE (dB)
20 25
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
CODE
70000
60000
50000
40000
30000
20000
10000
0
2043
61496
2044
2228 G08
2042
2123
COUNT
1910
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
70
71
200
2228 G09
69
68
50
100
150
72