TYPICAL PERFORMANCE CHARACTERISTICS
LTC2270
Integral Non-Linearity (INL)
2.0
1.5
1.0
0.5
0.0
–0.5
–1.0
–1.5
–2.0
0
16384 32768 49152
OUTPUT CODE
65536
2270 G01
Differential Non-Linearity (DNL)
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384 32768 49152 65536
OUTPUT CODE
2270 G02
64k Point FFT, fIN = 1.4MHz,
–1dBFS, 20Msps
0
–20
–40
–60
–80
–100
–120
–140
0
2
4
6
8
10
FREQUENCY (MHz)
2270 G03
64k Point FFT, fIN = 5.1MHz,
–1dBFS, 20Msps
0
–20
–40
–60
–80
–100
–120
–140
0
2
4
6
8
10
FREQUENCY (MHz)
2270 G04
64k Point FFT, fIN = 10.1MHz,
–1dBFS, 20Msps
0
–20
–40
–60
–80
–100
–120
–140
0
2
4
6
8
10
FREQUENCY (MHz)
2270 G05
64k Point FFT, fIN = 30.3MHz,
–1dBFS, 20Msps
0
–20
–40
–60
–80
–100
–120
–140
0
2
4
6
8
10
FREQUENCY (MHz)
2270 G06
64k Point FFT, fIN = 70.3MHz,
–1dBFS, 20Msps
0
64k Point 2-Tone FFT, fIN = 14.8,
15.2MHz, –7dBFS, 20Msps
0
Shorted Input Histogram
40000
–20
–40
–60
–80
–100
–120
–20
–40
–60
–80
–100
–120
35000
30000
25000
20000
15000
10000
5000
–140
–140
0
0
2
4
6
8
10
0
2
4
6
8
10
FREQUENCY (MHz)
FREQUENCY (MHz)
2270 G07
2270 G08
OUTPUT CODE
2270 G09
2270f
9