AD9228 Analog Devices, AD9228 Datasheet - Page 17

• Manufacturer Part Number: AD9228
• Description: Quad, 12-Bit, 40/65 MSPS Serial LVDS 1.8 V A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9228

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 65MSPS
• Interface: LVDS,Ser
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Data Sheet
Figure 27. SNR/SFDR vs. Analog Input Level, f
Figure 29. SNR/SFDR vs. Analog Input Level, f
Figure 28. SNR/SFDR vs. Analog Input Level, f
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
–60
0
–60
0
–60
f
f
IN
SAMPLE
f
f
f
f
IN
SAMPLE
= 10.3MHz
IN
SAMPLE
= 10.3MHz
–50
–50
–50
= 35MHz
REFERENCE
REFERENCE
= 65MSPS
REFERENCE
= 40MSPS
80dB
= 40MSPS
80dB
ANALOG INPUT LEVEL (dBFS)
ANALOG INPUT LEVEL (dBFS)
ANALOG INPUT LEVEL (dBFS)
80dB
–40
–40
–40
2V p-p, SFDR
2V p-p, SFDR
–30
–30
–30
2V p-p, SFDR
IN
IN
IN
= 10.3 MHz, f
= 10.3 MHz, f
= 35 MHz, f
–20
–20
–20
2V p-p, SNR
2V p-p, SNR
2V p-p, SNR
–10
–10
–10
SAMPLE
SAMPLE
SAMPLE
= 40 MSPS
= 40 MSPS
= 65 MSPS
0
0
0
Rev. E | Page 17 of 56
Figure 30. SNR/SFDR vs. Analog Input Level, f
Figure 31. Two-Tone 32k FFT with f
Figure 32. Two-Tone 32k FFT with f
–100
–120
–100
–120
100
–20
–40
–60
–80
–20
–40
–60
–80
90
80
70
60
50
40
30
20
10
0
–60
0
0
0
0
f
f
IN
SAMPLE
AIN1 AND AIN2 = –7dBFS
SFDR = 80.75dBc
IMD2 = 85.53dBc
IMD3 = 80.83dBc
AIN1 AND AIN2 = –7dBFS
SFDR = 74.76dBc
IMD2 = 81.03dBc
IMD3 = 75.00dBc
= 35MHz
2
2
–50
= 65MSPS
4
4
ANALOG INPUT LEVEL (dBFS)
–40
6
6
f
f
SAMPLE
SAMPLE
FREQUENCY (MHz)
FREQUENCY (MHz)
8
8
= 40 MSPS
= 40 MSPS
–30
REFERENCE
IN1
IN1
10
10
= 15 MHz and f
= 70 MHz and f
2V p-p, SFDR
80dB
IN
12
12
= 35 MHz, f
–20
14
14
2V p-p, SNR
16
16
IN2
IN2
–10
SAMPLE
= 16 MHz,
= 71 MHz,
AD9228
18
18
= 65 MSPS
0
20
20