AD9244 datasheet(13/36 Pages) AD

13 / 36 page

REV. A

AD9244

–13–

–120

–20

–40

–60

–80

–100

SNR = 67.5dBc

SFDR = 79.4dBc

FREQUENCY – MHz

30 32.5

TPC 19. Dual-Tone FFT with fIN–1 = 44.2 MHz and

fIN–2 = 45.6 MHz (AIN1 = AIN2 = –6.5 dBFS)

–120

–20

–40

–60

–80

–100

FREQUENCY – MHz

30 32.5

SNR = 67.0dBc

SFDR = 78.2dBc

TPC 20. Dual-Tone FFT with fIN–1 = 69.2 MHz and

fIN–2 = 70.6 MHz (AIN1 = AIN2 = –6.5 dBFS)

–120

–20

–40

–60

–80

–100

SNR = 65.0dBc

SFDR = 69.1dBc

FREQUENCY – MHz

32.5

TPC 21. Dual-Tone FFT with fIN–1 = 139.2 MHz and

fIN–2 = 140.7 MHz (AIN1 = AIN2 = –6.5 dBFS)

AIN – dBFS

–25

–20

–15

–10

–6

100

SFDR – dBFS

SNR – dBFS

SNR – dBc

SFDR – dBc

–30

SFDR = 90dBc

REFERENCE LINE

TPC 22. Dual-Tone SNR/SFDR vs. AIN with fIN–1 =

44.2 MHz and fIN–2 = 45.6 MHz

AIN – dBFS

–25

–20

–15

–10

–6

100

SNR – dBFS

SNR – dBc

SFDR – dBc

SFDR – dBFS

–30

SFDR = 90dBc

REFERENCE LINE

TPC 23. Dual-Tone SNR/SFDR vs. AIN with fIN–1 =

69.2 MHz and fIN–2 = 70.6 MHz

AIN – dBFS

–25

–20

–15

–10

–6

SFDR – dBFS

SNR – dBFS

SNR – dBc

SFDR – dBc

100

–30

SFDR = 90dBc

REFERENCE LINE

TPC 24. Dual-Tone SNR/SFDR vs. AIN with fIN–1 =

139.2 MHz and fIN–2 = 140.7 MHz

TYPICAL IF SAMPLING PERFORMANCE

AD9244 Datasheet(PDF) 13 Page - Analog Devices

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