Datasheet

LTC2228/LTC2227/LTC2226
8
222876fb
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2227: Typical INL, 2V Range,
40Msps
LTC2227: Typical DNL, 2V Range,
40Msps
LTC2227: 8192 Point FFT,
f
IN
= 5MHz, –1dB, 2V Range,
40Msps
LTC2228: 8192 Point FFT,
f
IN
= 30MHz, –1dB, 2V Range,
40Msps
LTC2227: 8192 Point 2-Tone FFT,
f
IN
= 21.6MHz and 23.6MHz,
–1dB, 2V Range, 40Msps
LTC2227: Grounded Input
Histogram, 40Msps
LTC2227: SNR vs Input Frequency,
–1dB, 2V Range, 40Msps
LTC2227: 8192 Point FFT,
f
IN
= 70MHz, –1dB, 2V Range,
40Msps
LTC2227: 8192 Point FFT,
f
IN
= 140MHz, –1dB, 2V Range,
40Msps
CODE
0
INL ERROR (LSB)
3072
2227 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
2227 G02
1024 2048 4096
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2227 G03
5101520
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2227 G04
5101520
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2227 G05
5101520
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2227 G06
5101520
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2227 G07
5101520
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
CODE
2050
COUNT
2227 G08
2051 2052
70000
60000
50000
40000
30000
20000
10000
0
1424
61538
2558
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
70
71
200
2227 G09
69
68
50
100
150
72