LTC1403A_15 Datasheet, PDF (5/20 Pages) Linear Technology – Serial 12-Bit/14-Bit, 2.8Msps Sampling ADCs with Shutdown

LTC1403/LTC1403A
TYPICAL PERFORMANCE CHARACTERISTICS _{TA = 25°C, VDD = 3V (LTC1403A)}
ENOBs and SINAD
vs Input Frequency
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
0.1
1
10
FREQUENCY (MHz)
74
71
68
65
62
59
56
53
50
100
1403A G01
THD, 2nd and 3rd vs Input
Frequency
–44
–50
–56
THD
–62
2nd
–68
–74
3rd
–80
–86
–92
–98
–104
0.1
1
10
FREQUENCY (MHz)
100
1403A G02
SNR vs Input Frequency
74
71
68
65
62
59
56
53
50
0.1
1
10
100
FREQUENCY (MHz)
1403A G03
1.4MHz Input Summed with
1.56MHz Input IMD 4096 Point
FFT Plot
0 _2.8Msps
– 10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
350k
700k 1.05M
FREQUENCY (Hz)
1.4M
1403A G06
98kHz Sine Wave 4096 Point
FFT Plot
0
2.8Msps
– 10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
350k
700k 1.05M
FREQUENCY (Hz)
1.4M
1403A G04
Differential Linearity
vs Output Code
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
4096
8192 12288
OUTPUT CODE
16383
1403A G13
SFDR vs Input Frequency
104
98
92
86
80
74
68
62
56
50
44
0.1
1
10
FREQUENCY (MHz)
100
1403A G17
1.3MHz Sine Wave 4096 Point
FFT Plot
0 _2.8Msps
– 10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
350k
700k 1.05M 1.4M
FREQUENCY (Hz)
1403A G05
Integral Linearity
vs Output Code
4
3
2
1
0
–1
–2
–3
–4
0
4096
8192 12288
OUTPUT CODE
16383
1403A G14
1403fb
5