Datasheet

LTC2268-14/
LTC2267-14/LTC2266-14
14
22687614fa
T
A
= 25°C, unless otherwise noted.
Typical perForMance characTerisTics
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
226814 G41
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
226814 G42
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226814 G43
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226814 G44
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226814 G45
LTC2266-14: Integral
Nonlinearity (INL)
LTC2266-14: Differential
Nonlinearity (DNL)
LTC2266-14: 8k Point FFT,
f
IN
= 5MHz, –1dBFS, 80Msps
LTC2266-14: 8k Point FFT,
f
IN
= 30MHz, –1dBFS, 80Msps
LTC2266-14: 8k Point FFT,
f
IN
= 70MHz, –1dBFS, 80Msps
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226814 G46
LTC2266-14: 8k Point FFT,
f
IN
= 140MHz, –1dBFS, 80Msps
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226814 G47
OUTPUT CODE
8184
1000
0
3000
2000
COUNT
4000
5000
6000
8186
8188 8190 8192
226814 G48
LTC2266-14: 8k Point 2-Tone FFT,
f
IN
= 70MHz, 75MHz, –1dBFS,
80Msps
LTC2266-14:
Shorted Input Histogram
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
226814 G35
LTC2267-14: SNR vs SENSE,
f
IN
= 5MHz, –1dB