AD9236 datasheet(12/36 Pages) AD

12 / 36 page

AD9236

Rev. B | Page 12 of 36

100

–30

–27

–24

–21

–18

–15

–12

–9

–6

INPUT AMPLITUDE (dBFS)

03066-0-039

SFDR = 90dB

REFERENCE LINE

SFDR (dBc)

SNR (dBFS)

SNR (dBc)

SFDR (dBFS)

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

FREQUENCY (MHz)

03066-0-036

AIN = –6.5dBFS

SNR = 71.3dBFS

SFDR = 92.5dBc

Figure 15. Two-Tone 8K FFT @ 30 MHz and 31 MHz

Figure 18. Two-Tone SNR/SFDR vs. Input Amplitude @ 30 MHz and 31 MHz

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

FREQUENCY (MHz)

03066-0-037

AIN = –6.5dBFS

SNR = 71.0dBFS

SFDR = 79.3dBc

100

–30

–27

–24

–21

–18

–15

–12

–9

–6

INPUT AMPLITUDE (dBFS)

03066-0-040

SFDR = 90dB

REFERENCE LINE

SFDR (dBc)

SFDR (dBFS)

SNR (dBFS)

SNR(dBc)

Figure 16. Two-Tone 8K FFT @ 69 MHz and 70 MHz

Figure 19. Two-Tone SNR/SFDR vs. Input Amplitude @ 69 MHz and 70 MHz

1.0

0.8

0.6

0.4

0.2

–0.2

–0.4

–0.6

–0.8

–1.0

1024

2048

3072

4096

CODE

03066-0-038

1.0

0.8

0.6

0.4

0.2

–0.2

–0.4

–0.6

–0.8

–1.0

1024

2048

3072

4096

CODE

03066-0-041

Figure 17. Typical INL

Figure 20. Typical DNL

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