Datasheet

LTC2298/LTC2297/LTC2296
8
229876fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2297: 8192 Point FFT,
f
IN
= 30MHz, –1dB, 2V Range,
40Msps
LTC2297: 8192 Point FFT,
f
IN
= 70MHz, –1dB, 2V Range,
40Msps
LTC2297: 8192 Point FFT,
f
IN
= 140MHz, –1dB, 2V Range,
40Msps
LTC2297: 8192 Point 2-Tone FFT,
f
IN
= 21.6MHz and 23.6MHz,
–1dB, 2V Range, 40Msps
LTC2297: Grounded Input
Histogram, 40Msps
LTC2297: SNR vs Input Frequency,
–1dB, 2V Range, 40Msps
LTC2297: Typical INL,
2V Range, 40Msps
LTC2297: Typical DNL,
2V Range, 40Msps
LTC2297: 8192 Point FFT,
f
IN
= 5MHz, –1dB, 2V Range,
40Msps
CODE
0
INL ERROR (LSB)
12288
2297 G01
4096 8192 16384
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
CODE
0
DNL ERROR (LSB)
12288
2297 G02
4096 8192 16384
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
FREQUENCY (MHz)
AMPLITUDE (dB)
2297 G03
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5101520
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2297 G04
5101520
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5101520
FREQUENCY (MHz)
AMPLITUDE (dB)
2297 G05
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5101520
FREQUENCY (MHz)
AMPLITUDE (dB)
2297 G06
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
2297 G07
5 101520
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
CODE
8184 8185 8186 81878188 8189 8190 81918192
546
36
15714
24558
14833
640
4641
30
COUNT
2297 G08
30000
25000
20000
15000
10000
5000
0
4520
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
200
2297 G09
50
100
150
75
74
73
72
71
70