Datasheet

LTC2288/LTC2287/LTC2286
8
228876fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2287: 8192 Point FFT,
f
IN
= 30MHz, –1dB, 2V Range,
40Msps
LTC2287: 8192 Point FFT,
f
IN
= 70MHz, –1dB, 2V Range,
40Msps
LTC2287: 8192 Point FFT,
f
IN
= 140MHz, –1dB, 2V Range,
40Msps
LTC2287: 8192 Point 2-Tone FFT,
f
IN
= 21.6MHz and 23.6MHz,
–1dB, 2V Range, 40Msps
LTC2287: Grounded Input
Histogram, 40Msps
LTC2287: SNR vs Input Frequency,
–1dB, 2V Range, 40Msps
LTC2287: Typical INL,
2V Range, 40Msps
LTC2287: Typical DNL,
2V Range, 40Msps
LTC2287: 8192 Point FFT,
f
IN
= 5MHz, –1dB, 2V Range,
40Msps
CODE
0
INL ERROR (LSB)
0
0.25
0.50
1024
228876 G17
–0.25
–0.50
–1.00
256
512
768
–0.75
1.00
0.75
CODE
0
DNL ERROR (LSB)
0
0.25
0.50
1024
228876 G18
–0.25
–0.50
–1.00
256
512
768
–0.75
1.00
0.75
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–30
–20
20
228876 G19
–70
–80
–120
5
10
15
–100
0
–10
–40
–50
–90
–110
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–30
–20
20
228876 G20
–70
–80
–120
5
10
15
–100
0
–10
–40
–50
–90
–110
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–30
–20
20
228876 G21
–70
–80
–120
5
10
15
–100
0
–10
–40
–50
–90
–110
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–30
–20
20
228876 G22
–70
–80
–120
5
10
15
–100
0
–10
–40
–50
–90
–110
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–30
–20
20
228876 G23
–70
–80
–120
5
10
15
–100
0
–10
–40
–50
–90
–110
CODE
70000
60000
50000
40000
30000
20000
10000
0
511
65520
512
228876 G24
510
0
0
COUNT
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
59.5
60.5
200
228876 G25
58.5
57.5
50
100
150
62.5
61.5