KAD2708L Ver la hoja de datos (PDF) - Unspecified
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KAD2708L Datasheet PDF : 17 Pages
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KAD2708L 8-Bit, 350MSPS Analog-to-Digital Converter
AVDD3=3.3V, AVDD2=OVDD2 =1.8V, TAMBIENT (TA)=25°C, fSAMPLE=350MHz, VIN= 6.865MHz @ -0.5dBFS unless noted.
72
0.5
71
0.25
70
0
69
-0.25
68
67
50 75 100 125 150 175 200 225 250 275 300 325 350
f SAMPLE (MHz)
Figure 9. SFDR vs. fSAMPLE
0.5
0.4
0.3
0.2
0.1
-0.5
0
32
64
96
128 160 192 224 255
code
Figure 10. Differential Nonlinearity vs. Output Code
40,000
35,000
30,000
25,000
0
20,000
-0.1
15,000
-0.2
10,000
-0.3
-0.4
5,000
-0.5
0
32
64
96
128 160 192 224 255
0
125
126
127
128
129
130
code
Code
Figure 11. Integral Nonlinearity vs. Output Code
Figure 12. Noise Histogram
0
0
-10
Vin = -0.50dBFS
-10
Vin = -0.49dBFS
-20
SNR = -48.4dB
-20
SNR = 48.1dB
-30
SFDR = 64.5dBc
-30
SFDR = 67.5dBc
-40
SINAD = 48.2dB
-40
SINAD = 48.1dB
-50
HD2 = -81dBc
-50
HD2 = -78dBc
-60
HD3 = -66dBc
-60
-70
-70
HD3 = -71dBc
-80
-80
-90
-90
-100
0
20 40 60 80 100 120 140 160
Frequency (MHz)
Figure 13. Output Spectrum at 6.865MHz
-100
0
20 40 60
80 100 120 140 160
Frequency (MHz)
Figure 14. Output Spectrum at 68.465MHz
Rev 1.2
Page 10 of 17
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