LTC2172-14/
LTC2171-14/LTC2170-14
15
21721014fb
LTC2171-14: SNR vs SENSE,
fIN = 5MHz, –1dBFS
LTC2170-14: Integral Nonlinearity
(INL)
LTC2170-14: Differential
Nonlinearity (DNL)
LTC2170-14: 8k Point FFT,
fIN = 5MHz –1dBFS, 25Msps
LTC2170-14: 8k Point FFT,
fIN = 30MHz –1dBFS, 25Msps
LTC2170-14: 8k Point FFT,
fIN = 70MHz –1dBFS, 25Msps
LTC2170-14: 8k Point FFT,
fIN = 140MHz –1dBFS, 25Msps
LTC2170-14: 8k Point 2-Tone FFT,
fIN = 68MHz, 69MHz, –1dBFS,
25Msps
LTC2170-14: Shorted Input
Histogram
Typical perForMance characTerisTics
SENSE PIN (V)
0.6
71
68
69
70
67
66
72
73
74
SNR
(dBFS)
0.7
0.8
0.9
1.1
1.2
1.3
1
217214 G27
OUTPUT CODE
0
–2.0
–0.5
–1.0
–1.5
INL
ERROR
(LSB)
0
0.5
1.0
1.5
2.0
4096
8192
12288
16384
217214 G28
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
4096
8192
12288
16384
217214 G29
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
5
10
217214 G30
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
5
10
217214 G31
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
5
10
217214 G32
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
5
10
217214 G33
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
5
10
217214 G34
OUTPUT CODE
8198
1000
0
3000
2000
COUNT
4000
5000
6000
8200
8202
8204
8206
217214 G35