AD9228 View Datasheet(PDF) - Analog Devices

Part Name

Description

MFG CO.

AD9228

Quad, 12-bit, 40/65 MSPS Serial LVDS 1.8 V A/D Converter

Analog Devices 

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AD9228

100

90

fIN = 10.3MHz

fSAMPLE = 40MSPS

80

2V p-p, SFDR

70

60

50

80dB

REFERENCE

40

2V p-p, SNR

30

20

10

0

–60

–50

–40

–30

–20

–10

0

ANALOG INPUT LEVEL (dBFS)

Figure 27. SNR/SFDR vs. Analog Input Level, fIN = 10.3 MHz, fSAMPLE = 40 MSPS

100

90

fIN = 35MHz

fSAMPLE = 65MSPS

80

2V p-p, SFDR

70

60

50

2V p-p, SNR

40

80dB

30

REFERENCE

20

10

0

–60

–50

–40

–30

–20

–10

0

ANALOG INPUT LEVEL (dBFS)

Figure 30. SNR/SFDR vs. Analog Input Level, fIN = 35 MHz, fSAMPLE = 65 MSPS

100

90

fIN = 35MHz

fSAMPLE = 40MSPS

80

2V p-p, SFDR

70

60

50

80dB

REFERENCE

40

2V p-p, SNR

30

20

10

0

–60

–50

–40

–30

–20

–10

0

ANALOG INPUT LEVEL (dBFS)

Figure 28. SNR/SFDR vs. Analog Input Level, fIN = 35 MHz, fSAMPLE = 40 MSPS

0

AIN1 AND AIN2 = –7dBFS

SFDR = 80.75dBc

–20

IMD2 = 85.53dBc

IMD3 = 80.83dBc

–40

–60

–80

–100

–120

0 2 4 6 8 10 12 14 16 18 20

FREQUENCY (MHz)

Figure 31. Two-Tone 32k FFT with fIN1 = 15 MHz and fIN2 = 16 MHz,

fSAMPLE = 40 MSPS

100

90 fIN = 10.3MHz

fSAMPLE = 65MSPS

80

2V p-p, SFDR

70

60

50

80dB

REFERENCE

40

2V p-p, SNR

30

20

10

0

–60

–50

–40

–30

–20

–10

0

ANALOG INPUT LEVEL (dBFS)

Figure 29. SNR/SFDR vs. Analog Input Level, fIN = 10.3 MHz, fSAMPLE = 65 MSPS

0

AIN1 AND AIN2 = –7dBFS

SFDR = 74.76dBc

–20

IMD2 = 81.03dBc

IMD3 = 75.00dBc

–40

–60

–80

–100

–120

0 2 4 6 8 10 12 14 16 18 20

FREQUENCY (MHz)

Figure 32. Two-Tone 32k FFT with fIN1 = 70 MHz and fIN2 = 71 MHz,

fSAMPLE = 40 MSPS

Rev. B | Page 16 of 52

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