Datasheet

11
21754312fa
LTC2175-12/
LTC2174-12/LTC2173-12
Typical perForMance characTerisTics
LTC2175-12: Integral
Nonlinearity (INL)
LTC2175-12: Differential
Nonlinearity (DNL)
LTC2175-12: 8k Point FFT, f
IN
= 5MHz
–1dBFS, 125Msps
OUTPUT CODE
0
–1.0
–0.4
–0.6
–0.8
INL ERROR (LSB)
–0.2
0
0.2
0.8
0.4
0.6
1.0
1024
2048 3072 4096
217512 G01
OUTPUT CODE
0
–1.0
–0.4
–0.2
–0.6
–0.8
DNL ERROR (LSB)
0
0.4
0.2
0.6
0.8
1.0
1024
2048 3072 4096
217512 G02
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
217512 G03
0
10
20 30 40 50 60
LTC2175-12: 8k Point FFT, f
IN
= 30MHz
–1dBFS, 125Msps
LTC2175-12: 8k Point FFT, f
IN
= 70MHz
–1dBFS, 125Msps
LTC2175-12: 8k Point FFT, f
IN
= 140MHz
–1dBFS, 125Msps
LTC2175-12: 8k Point 2-Tone FFT,
f
IN
= 70MHz, 75MHz, –1dBFS,
125Msps
LTC2175-12: Shorted Input
Histogram
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
217512 G04
10
20 30 40 50 60
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40 50 60
217512 G05
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40 50 60
217512 G06
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40 50 60
217512 G07
OUTPUT CODE
2041 2042 2044
2000
0
10000
8000
6000
4000
COUNT
12000
16000
14000
18000
2043 2045
217512 G08
INPUT FREQUENCY (MHz)
0
72
71
70
69
68
67
66
SNR (dBFS)
50
100 150 200 250 300 350
217512 G09
LTC2175-12: SNR vs Input
Frequency, –1dB, 2V Range,
125Msps