Datasheet

LTC2172-14/
LTC2171-14/LTC2170-14
15
21721014fb
LTC2171-14: SNR vs SENSE,
f
IN
= 5MHz, –1dBFS
LTC2170-14: Integral Nonlinearity
(INL)
LTC2170-14: Differential
Nonlinearity (DNL)
LTC2170-14: 8k Point FFT,
f
IN
= 5MHz –1dBFS, 25Msps
LTC2170-14: 8k Point FFT,
f
IN
= 30MHz –1dBFS, 25Msps
LTC2170-14: 8k Point FFT,
f
IN
= 70MHz –1dBFS, 25Msps
LTC2170-14: 8k Point FFT,
f
IN
= 140MHz –1dBFS, 25Msps
LTC2170-14: 8k Point 2-Tone FFT,
f
IN
= 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 1.31
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