Datasheet

LTC2253/LTC2252
6
22532fa
FREQUENCY (MHz)
0
AMPLITUDE (dB)
22532 G03
10 20 30 40 50
60
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
CODE
0
DNL ERROR (LSB)
3072
22532 G02
1024 2048 4096
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
CODE
0
INL ERROR (LSB)
3072
22532 G01
1024 2048 4096
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2253: Typical INL, 2V Range,
125Msps
LTC2253: Typical DNL, 2V Range,
125Msps
LTC2253: 8192 Point FFT,
f
IN
= 5MHz, –1dB, 2V Range,
125Msps
LTC2253: 8192 Point FFT,
f
IN
= 30MHz, –1dB, 2V Range,
125Msps
LTC2253: 8192 Point FFT,
f
IN
= 70MHz, –1dB, 2V Range,
125Msps
LTC2253: 8192 Point FFT,
f
IN
= 140MHz, –1dB, 2V Range,
125Msps
LTC2253: 8192 Point 2-Tone FFT,
f
IN
= 28.2MHz and 26.8MHz, –1dB,
2V Range, 125Msps
LTC2253: Grounded Input
Histogram, 125Msps
LTC2253: SNR vs Input Frequency,
–1dB, 2V Range, 125Msps
FREQUENCY (MHz)
0
AMPLITUDE (dB)
22532 G04
10 20 30 40 50
60
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
22532 G05
10 20 30 40 50
60
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
22532 G06
10 20 30 40 50
60
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
FREQUENCY (MHz)
0
AMPLITUDE (dB)
22532 G07
10 20 30 40 50
60
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
CODE
2044
50000
60000
70000
2048
22532 G08

40000
30000
2045
00
4249
2046
58717
2047
2562
20000
10000
0
COUNT
INPUT FREQUENCY (MHz)
0
SNR (dBFS)
72
150
22532 G09
69
67
50 100 200
66
65
73
71
70
68
250 300 350