
5
LTC1408-12
140812f
VDD = 3V, TA = 25°C
TYPICAL PERFOR A CE CHARACTERISTICS
UW
100kHz Unipolar Sine Wave 8192
Point FFT Plot
100kHz Bipolar Sine Wave 8192
Point FFT Plot
SNR vs Input Frequency
Differential Linearity vs Output
Code, CH0, Unipolar Mode
Integral Linearity vs Output Code,
CH0, Unipolar Mode
SINAD vs Input Frequency
SFDR vs Input Frequency
THD, 2nd and 3rd
vs Input Frequency
THD, 2nd and 3rd
vs Input Frequency
FREQUENCY (kHz)
0
MAGNITUDE
(dB)
–90
–30
–20
–10
0
20
40
50
140812 G06
–110
–50
–70
–100
–40
–120
–60
–80
10
30
FREQUENCY (KHZ)
0
MAGNITUDE
(dB)
–90
–30
–20
–10
0
20
40
50
140812 G07
–110
–50
–70
–100
–40
–120
–60
–80
10
30
OUTPUT CODE
0
–1
DIFFERENTIAL
LINEARITY
(LSB)
–0.8
–0.4
–0.2
0
1
0.4
1024
2048 2560
140812 G08
–0.6
0.6
0.8
0.2
512
1536
3072 3584 4096
OUTPUT CODE
0
INTEGRAL
LINEARITY
(LSB)
–0.8
–0.4
–0.2
0
1
0.4
1024
2048 2560
140812 G09
–0.6
0.6
0.8
0.2
512
1536
3072 3584 4096
FREQUENCY (MHz)
53
62
59
56
74
71
68
65
140814 G01
SINAD
(dB)
0.1
10
1
FREQUENCY (MHz)
0.1
–110
THD,
2nd,
3rd
(dB)
–98
–86
–74
–62
110
140812 G02
–50
–104
–92
–80
–68
–56
UNIPOLAR SINGLE-ENDED
THD
2nd
3rd
2nd
FREQUENCY (MHz)
0.1
–110
THD,
2nd,
3rd
(dB)
–98
–86
–74
–62
110
140812 G03
–50
–104
–92
–80
–68
–56
BIPOLAR SINGLE-ENDED
THD
3rd
FREQUENCY (MHz)
50
68
62
56
92
86
80
74
140814 G04
SFDR
(dB)
0.1
10
1
FREQUENCY (MHz)
0.1
50
SNR
(dB)
56
53
62
59
65
68
71
74
110
140812 G05
77