kad2708c Kenet Inc., kad2708c Datasheet - Page 10

• Manufacturer Part Number: kad2708c
• Description: 8-bit, 275msps Analog-to-digital Converter
• Manufacturer: Kenet Inc.

KAD2708C 8-Bit, 275MSPS Analog-to-Digital Converter
AVDD3=3.3V, AVDD2=OVDD2 =1.8V, T
Rev 1.1
-100
-0.05
-0.15
-0.25
0.25
0.15
0.05
72
71
70
69
68
67
-10
-20
-30
-40
-50
-60
-70
-80
-90
-0.1
-0.2
0.2
0.1
Figure 11. Integral Nonlinearity vs. Output Code
0
0
50
0
0
Figure 13. Output Spectrum at 6.865MHz
75
32
20
100
Figure 9. SFDR vs. f
64
125
40
96
150
Frequency (MHz)
f
SAMPLE
60
175
code
128
(MHz)
80
200
SAMPLE
160
Vin = -0.25dBFS
SNR = 49.2dB
SFDR = 71.0dBc
SINAD = 49.0dB
HD2 = -83dBc
HD3 = -66dBc
225
AMBIENT
100
192
250
(T
A
120
224
275
)=25°C, f
300
255
SAMPLE
50,000
45,000
40,000
35,000
30,000
25,000
20,000
15,000
10,000
Figure 10. Differential Nonlinearity vs. Output Code
5,000
-0.05
-0.15
-0.25
-100
0.25
0.15
0.05
-0.1
-0.2
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.2
0.1
=275MHz, V
0
0
0
126
0
0
Figure 14. Output Spectrum at 68.465MHz
32
20
Figure 12. Noise Histogram
IN
64
= 6.865MHz @ -0.5dBFS unless noted.
40
127
96
Frequency (MHz)
60
code
code
128
80
160
128
Vin = -0.22dBFS
SNR = 49.0dB
SFDR = 69.2dBc
SINAD = 49.0dB
HD2 = -77dBc
HD3 = -69dBc
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100
192
120
224
129
255