Datasheet

13
226114fc
LTC2261-14
LTC2260-14/LTC2259-14
For more information www.linear.com/LTC2261-14
LTC2260-14: SNR vs SENSE,
f
IN
= 5MHz, –1dB
Typical perForMance characTerisTics
LTC2259-14: 8k Point 2-Tone FFT,
f
IN
= 70MHz, 75MHz, –1dBFS,
80Msps
LTC2259-14: Shorted Input
Histogram
LTC2259-14: 8k Point FFT, f
IN
= 30MHz
–1dBFS, 80Msps
LTC2259-14: 8k Point FFT, f
IN
= 70MHz
–1dBFS, 80Msps
LTC2259-14: 8k Point FFT, f
IN
= 140MHz
–1dBFS, 80Msps
LTC2259-14: Integral Non-Linearity
(INL)
LTC2259-14: Differential
Non-Linearity (DNL)
LTC2259-14: 8k Point FFT, f
IN
= 5MHz
–1dBFS, 80Msps
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
226114 G35
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
226114 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
226114 G42
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226114 G43
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226114 G44
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226114 G45
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226114 G46
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
10
20 30 40
226114 G47
OUTPUT CODE
8184
1000
0
3000
2000
COUNT
4000
5000
6000
8186
8188 8190 8192
226114 G48