AD9287 Analog Devices, AD9287 Datasheet - Page 16

• Manufacturer Part Number: AD9287
• Description: Quad, 8-Bit, 100 MSPS Serial LVDS 1.8 V A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9287

• Resolution (bits): 8bit
• # Chan: 4
• Sample Rate: 100MSPS
• Interface: LVDS,Ser
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9287
Figure 23. SNR/SFDR vs. Analog Input Level, f
Figure 21. SNR/SFDR vs. f
Figure 22. SNR/SFDR vs. f
80
75
70
65
60
55
50
45
40
80
70
60
50
40
30
80
70
60
50
40
30
20
10
0
–60
10
10
2V p-p, SFDR
2V p-p, SNR
2V p-p, SFDR
2V p-p, SNR
20
20
–50
30
30
ANALOG INPUT LEVEL (dBFS)
–40
40
40
SAMPLE
SAMPLE
f
f
SAMPLE
SAMPLE
50
50
, f
, f
IN
–30
IN
= 10.3 MHz, f
(MSPS)
(MSPS)
= 35 MHz, f
2V p-p, SNR
60
60
2V p-p, SFDR
IN
= 10.3 MHz, f
–20
70
70
60dB REFERENCE
SAMPLE
SAMPLE
80
80
= 100 MSPS
–10
= 100 MSPS
SAMPLE
90
90
= 100 MSPS
100
100
0
Rev. E | Page 16 of 52
Figure 24. SNR/SFDR vs. Analog Input Level, f
Figure 25. Two-Tone 32k FFT with f
Figure 26. Two-Tone 32k FFT with f
–110
–110
–10
–30
–50
–70
–90
–10
–30
–50
–70
–90
80
70
60
50
40
30
20
10
0
–60
0
0
AIN1 AND AIN2 = –7dBFS
SFDR = 71.14dBc
IMD2 = 69.46dBc
IMD3 = 70.33dBc
5
5
–50
10
10
ANALOG INPUT LEVEL (dBFS)
15
15
–40
f
f
SAMPLE
SAMPLE
FREQUENCY (MHz)
FREQUENCY (MHz)
20
20
= 100 MSPS
= 100 MSPS
–30
25
25
IN1
IN1
2V p-p, SNR
2V p-p, SFDR
= 15 MHz and f
= 70 MHz and f
AIN1 AND AIN2 = –7dBFS
30
30
IN
= 35 MHz, f
–20
60dB REFERENCE
35
35
SFDR = 72.90dBc
IMD2 = 70.43dBc
IMD3 = 71.97dBc
Data Sheet
40
40
–10
IN2
IN2
SAMPLE
= 16 MHz,
= 71 MHz,
45
45
= 100 MSPS
50
50
0