AD9461 datasheet(14/28 Pages) AD

14 / 28 page

AD9461

Rev. 0 | Page 14 of 28

120

100

–90

–80

–70

–60

–50

–40

–30

–20

–10

ANALOG INPUT AMPLITUDE (dB)

SFDR dBFS

SFDR dBc

SNR dBFS

SNR dB

Figure 18. 130 MSPS,170.3 MHz SNR/SFDR vs. Analog Input Amplitude

100

150

200

ANALOG INPUT FREQUENCY (MHz)

SNR = +25°C

SFDR = +25°C

SNR = –40°C

SFDR = –40°C

SNR = +85°C

SFDR = +85°C

Figure 19. 125 MSPS, SNR/SFDR vs. Analog Input Frequency, 3.4 V p-p

120

100

–90

–80

–70

–60

–50

–40

–30

–20

–10

ANALOG INPUT AMPLITUDE (dB)

SFDR dBFS

SFDR dBc

SNR dBFS

SNR dB

Figure 20. 130 MSPS, 170.3 MHz SNR/SFDR vs. Analog Input Amplitude,

CMOS Output Mode

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–120

–110

–130

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

ANALOG INPUT AMPLITUDE (dB)

SFDR dBc

WORST IMD3 dBc

SFDR dBFS

WORST IMD3 dBFS

Figure 21. 130 MSPS, Two-Tone SFDR vs. Analog Input Amplitude,

169.6 MHz, 170.6 MHz

6000

5000

4000

3000

2000

1000

BIN

Figure 22. 130 MSPS, Grounded Input Histogram

–140

–120

–100

–80

–60

–40

–20

15.625

31.250

46.875

62.500

FREQUENCY (MHz)

105MSPS

170.6MHz @ –7.0dBFS

169.6MHz @ –7.0dBFS

SFDR = 89dBFS

Figure 23. 130 MSPS, 64k Point Two-Tone FFT, 169.6 MHz, 170.6 MHz

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