AD9652BBCZ-310 datasheet(16/37 Pages) AD

16 / 37 page

Data Sheet

AD9652

Rev. B | Page 15 of 36

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fIN (MHz)

AIN = –1dBFS

SNRFS = 68.0dB

SFDR = 75.7dBc

Figure 18. FFT fIN = 400 MHz, AIN = −1 dBFS, Dither Off, Register 0x22A = 0x02

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–120

–100

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100

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fIN (MHz)

AIN = –7dBFS

SNRFS = 71.7dB

SFDR = 81.3dBc

Figure 19. FFT fIN = 400 MHz, AIN = −7 dBFS, Dither Off, Register 0x22A = 0x02

140

100

120

–80

–60

–40

–20

AIN (–dBFS)

SFDR (dBc), –40°C

SFDR (dBc), +25°C

SFDR (dBc), +85°C

SFDR (dBFS), –40°C

SFDR (dBFS), +25°C

SFDR (dBFS), +85°C

SNRFS (dB), –40°C

SNRFS (dB), +25°C

SNRFS (dB), +85°C

Figure 20. Single Tone SNR/SFDR vs. Input Amplitude (AIN) with

fIN = 90.1 MHz, VREF = 1.25 V, Over Temperature, Dither Off

–140

–120

–100

–80

–60

–40

–20

100

150

fIN (MHz)

AIN = –1dBFS

SNRFS = 68.0dB

SFDR = 75.0dBc

Figure 21. FFT fIN = 400 MHz, AIN = −1 dBFS, Dither On, Register 0x22A = 0x02

–140

–120

–100

–80

–60

–40

–20

100

150

fIN (MHz)

AIN = –7dBFS

SNRFS = 71.9dB

SFDR = 80.2dBc

Figure 22. FFT fIN = 400 MHz, AIN = −7 dBFS, Dither On, Register 0x22A = 0x02

140

100

120

–80

–60

–40

–20

AIN (–dBFS)

SFDR (dBc), –40°C

SFDR (dBc), +25°C

SFDR (dBc), +85°C

SFDR (dBFS), –40°C

SFDR (dBFS), +25°C

SFDR (dBFS), +85°C

SNRFS (dB), –40°C

SNRFS (dB), +25°C

SNRFS (dB), +85°C

Figure 23. Single Tone SNR/SFDR vs. Input Amplitude (AIN) with

fIN = 90.1 MHz, VREF = 1.25 V, Over Temperature, Dither On

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