
LTC2289
6
2289fa
8192 Point 2-Tone FFT,
fIN = 28.2MHz and 26.8MHz,
–1dB, 2V Range
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Typical INL, 2V Range, 80Msps
Typical DNL, 2V Range, 80Msps
8192 Point FFT, fIN = 5MHz, –1dB,
2V Range, 80Msps
8192 Point FFT, fIN = 30MHz,
–1dB, 2V Range, 80Msps
8192 Point FFT, fIN = 70MHz,
–1dB, 2V Range, 80Msps
8192 Point FFT, fIN = 140MHz,
–1dB, 2V Range, 80Msps
Grounded Input Histogram,
80Msps
Crosstalk vs Input Frequency
INPUT FREQUENCY (MHz)
0
–130
CROSSTALK
(dB)
–125
–120
–115
–110
–105
–100
20
40
60
80
2289 G01
100
CODE
0
–1.0
INL
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
256
512
2289 G02
–0.6
0.6
0.8
0.2
768
1024
CODE
0
–1.0
DNL
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
256
512
2289 G03
–0.6
0.6
0.8
0.2
768
1024
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–60
–40
–20
0
35
2289 G04
–80
–100
–70
–50
–30
–10
–90
–110
–120
5
15
25
10
20
30
40
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–60
–40
–20
0
35
2289 G05
–80
–100
–70
–50
–30
–10
–90
–110
–120
5
15
25
10
20
30
40
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–60
–40
–20
0
35
2289 G06
–80
–100
–70
–50
–30
–10
–90
–110
–120
5
15
25
10
20
30
40
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–60
–40
–20
0
35
2289 G07
–80
–100
–70
–50
–30
–10
–90
–110
–120
5
15
25
10
20
30
40
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–60
–40
–20
0
35
2289 G08
–80
–100
–70
–50
–30
–10
–90
–110
–120
5
15
25
10
20
30
40
CODE
100000
120000
140000
2289 G09
80000
60000
510
511
131072
512
00
40000
20000
0
COUNT