Datasheet

LTC1403/LTC1403A
5
1403fb
TYPICAL PERFORMANCE CHARACTERISTICS
ENOBs and SINAD
vs Input Frequency
THD, 2nd and 3rd vs Input
Frequency
SFDR vs Input Frequency
SNR vs Input Frequency
98kHz Sine Wave 4096 Point
FFT Plot
1.3MHz Sine Wave 4096 Point
FFT Plot
1.4MHz Input Summed with
1.56MHz Input IMD 4096 Point
FFT Plot
Differential Linearity
vs Output Code
Integral Linearity
vs Output Code
T
A
= 25°C, V
DD
= 3V (LTC1403A)
FREQUENCY (MHz)
0.1
10.0
ENOBs (BITS)
SINAD (dB)
11.0
12.0
1 10 100
1403A G01
9.0
9.5
10.5
11.5
8.5
8.0
62
68
74
56
59
65
71
53
50
FREQUENCY (MHz)
0.1
–80
THD, 2nd, 3rd (dB)
–74
–68
–62
–56
1 10 100
1403A G02
–86
–92
–98
–104
–50
–44
THD
3rd
2nd
FREQUENCY (MHz)
0.1
68
SFDR (dB)
56
44
1 10 100
1403A G17
80
74
62
50
86
92
98
104
FREQUENCY (MHz)
0.1
62
SNR (dB)
56
50
1 10 100
1403A G03
68
65
59
53
71
74
FREQUENCY (Hz)
0 350k 700k 1.05M 1.4M
MAGNITUDE (dB)
1403A G04
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
2.8Msps
FREQUENCY (Hz)
MAGNITUDE (dB)
1403A G05
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 350k 700k 1.05M 1.4M
2.8Msps
FREQUENCY (Hz)
MAGNITUDE (dB)
1403A G06
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 350k 700k 1.05M 1.4M
2.8Msps
OUTPUT CODE
0 81924096 12288 16383
DIFFERENTIAL LINEARITY (LSB)
1403A G13
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
OUTPUT CODE
0 81924096 12288 16383
INTEGRAL LINEARITY (LSB)
1403A G14
4
3
2
1
0
–1
–2
–3
–4