
LTC2355-12/LTC2355-14
2355fa
typical perFormance characteristics
SINAD vs Input Frequency
THD, 2nd and 3rd vs Input
Frequency
SFDR vs Input Frequency
SNR vs Input Frequency
100kHz Sine Wave 8192 Point
FFT Plot
1.4MHz Sine Wave 8192 Point
FFT Plot
Differential Linearity
vs Output Code
Integral Linearity
vs Output Code
TA = 25°C, VDD = 3.3V (LTC2355-14)
FREQUENCY (MHz)
0.1
62
SINAD
(dB)
65
68
71
74
1
10
100
2355 G01
59
56
53
50
77
FREQUENCY (MHz)
0.1
–80
THD,
2nd,
3rd
(dB) –74
–68
–62
–56
1
10
100
2355 G02
–86
–92
–98
–104
–110
–50
THD
2nd
3rd
FREQUENCY (MHz)
0.1
74
SFDR
(dB)
80
86
92
1
10
100
2355 G03
68
62
56
50
FREQUENCY (MHz)
0.1
62
SNR
(dB)
65
68
71
74
1
10
100
2355 G04
59
56
53
50
77
FREQUENCY (MHz)
0.00
MAGNITUDE
(dB)
–90
–30
–20
–10
0
0.50
1.00 1.25
2355 G05
–110
–50
–70
–100
–40
–120
–60
–80
0.25
0.75
1.50 1.75
FREQUENCY (MHz)
0.00
MAGNITUDE
(dB)
–90
–30
–20
–10
0
0.50
1.00 1.25
2355 G06
–110
–50
–70
–100
–40
–120
–60
–80
0.25
0.75
1.50 1.75
2355 G07
OUTPUT CODE
0
–1.0
DIFFERENTIAL
LINEARIT
Y(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
4096
8192
–0.6
0.6
0.8
0.2
12288
16384
OUTPUT CODE
0
INTEGRAL
LINEARIT
Y(LSB)
0
1
2
16384
2355 G08
–1
–2
–4
4096
8192
12288
–3
4
3