Datasheet

7
215814f
LTC2158-14
LTC2158-14: 32K Point FFT,
f
IN
= 907MHz, –1dBFS, 310Msps
LTC2158-14: 32K Point 2-Tone FFT,
f
IN
= 71MHz and 69MHz, 310Msps
LTC2158-14: Shorted Input
Histogram
LTC2158-14: SFDR vs Input Level,
f
IN
= 70MHz, 1.32V Range, 310Msps
LTC2158-14: SNR vs Input Level,
f
IN
= 70MHz, 1.32V Range,
310Msps
LTC2158-14: 32K Point FFT,
f
IN
= 567MHz, –1dBFS, 310Msps
Typical perForMance characTerisTics
LTC2158-14: SFDR vs Input
Frequency, –1dBFS, 1.32V Range,
310Msps
LTC2158-14: SNR vs Input
Frequency, –1dBFS, 1.32V Range,
310Msps
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
215814 G10
100 140120
–20
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
215814 G11
100 140120
–20
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
215814 G12
100 140120
–20
OUTPUT CODE
8192
0
COUNT
10000
20000
8196 8200 8204 8208 8212
25000
5000
15000
8216
215814 G13
AMPLITUDE (dBFS)
0
SFDR (dBFS)
20
60
80
100
–50
–30
–20
40
120
–70 –60–90 –80
–40
–10
0
215814 G14
dBc
dBFS
AMPLITUDE (dBFS)
0
SNR (dBFS)
10
30
40
50
–50
–30
–20
20
70
60
–60
–40
–10
0
215814 G15
dBc
dBFS
INPUT FREQUENCY (MHz)
0
SFDR (dBFS)
40
90
200
400
600
20
70
30
80
10
0
60
50
100
300
800
1000
500
700
900
215814 G16
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
60
75
200
400
600
50
55
45
40
70
65
100
300
800
1000
500
700
900
215814 G17