AD9446 datasheet(19/36 Pages) AD

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AD9446

Rev. 0 | Page 19 of 36

180

ANALOG INPUT FREQUENCY (MHz)

100

120

140

160

SFDR (dBc) +85°C

SFDR (dBc) –40°C

SNR (dB) +25°C

SNR (dB) +85°C

SNR (dB) –40°C

SFDR (dBc) +25°C

Figure 30. AD9446-80 SNR/SFDR vs. Analog Input Frequency, 80 MSPS, 3.2 V p-p

180

ANALOG INPUT FREQUENCY (MHz)

100

120

140

160

SFDR (dBc) +85°C

SFDR (dBc) –40°C

SNR (dB) +25°C

SNR (dB) +85°C

SNR (dB) –40°C

SFDR (dBc) +25°C

Figure 31. AD9446-80 SNR/SFDR vs. Analog Input Frequency, 80 MSPS, 3.2 V p-p,

CMOS Mode

120

–100

ANALOG INPUT AMPLITUDE (dB)

100

–90

–80

–70

–60

–50

–40

–30

–20

–10

SNR dB

SNR dBFS

SFDR dBc

SFDR dBFS

Figure 32. AD9446-80 SNR/SFDR vs. Analog Input Level, 80 MSPS

180

ANALOG INPUT FREQUENCY (MHz)

100

120

140

160

SFDR (dBc) +85°C

SFDR (dBc) –40°C

SNR (dB) +25°C

SNR (dB) +85°C

SNR (dB) –40°C

SFDR (dBc) +25°C

Figure 33. AD9446-80 SNR/SFDR vs. Analog Input Frequency, 80 MSPS, 2.0 V p-p

2.6

2.8

3.0

3.2

3.4

3.6

3.8

4.0

4.2

ANALOG INPUT COMMON-MODE VOLTAGE

SNR dB

SFDR dBc

Figure 34. AD9446-80 SNR/SFDR vs. Analog Input Common Mode, 80 MSPS

120

–100

ANALOG INPUT AMPLITUDE (dB)

100

–90

–80

–70

–60

–50

–40

–30

–20

–10

SNR dB

SNR dBFS

SFDR dBc

SFDR dBFS

Figure 35. AD9446-80 SNR/SFDR vs. Analog Input Level, 80 MSPS,

CMOS Output Mode

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