Datasheet

LTC2248/LTC2247/LTC2246
6
224876fa
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2248 G03
510152025
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2248 G04
510152025
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2248 G05
510152025
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2248 G06
510152025
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2248 G06a
510152025
30
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
CODE
8196 8197 8198 8199 8200 8201 8202 8203
121
1596
9042
21824
20412
10224
2116
172
COUNT
2248 G08
25000
20000
15000
10000
5000
0
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
200
2248 G09
50
100
150
75
74
73
72
71
70
INPUT FREQUENCY (MHz)
0
100
95
90
85
80
75
70
65
150
2248 G10
50 100 200
SFDR (dBFS)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2248: 8192 Point FFT,
f
IN
= 5MHz, –1dB, 2V Range,
65Msps
LTC2248: 8192 Point FFT,
f
IN
= 30MHz, –1dB, 2V Range,
65Msps
LTC2248: 8192 Point FFT,
f
IN
= 70MHz, –1dB, 2V Range,
65Msps
LTC2248: 8192 Point FFT,
f
IN
= 140MHz, –1dB, 2V Range,
65Msps
LTC2248: Grounded Input
Histogram, 65Msps
LTC2248: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
LTC2248: SFDR vs Input Frequency,
–1dB, 2V Range, 65Msps
LTC2248: 8192 Point 2-Tone FFT,
f
IN
= 28.2MHz and 26.8MHz,
–1dB, 2V Range, 65Msps