AD9671KBCZ datasheet(19/61 Pages) AD

19 / 61 page

AD9671

Data Sheet

Rev. A| Page 18 of 60

–100

211

INPUT FREQUENCY (MHz)

–90

–80

–70

–60

–50

–40

–30

–20

–10

567

MIN VGAIN, AOUT = –12.0dBFS

MAX VGAIN, AOUT = –1.0dBFS

THIRD-ORDER, MIN VGAIN

THIRD-ORDER, MAX VGAIN

SECOND-ORDER, MIN VGAIN

SECOND-ORDER, MAX VGAIN

Figure 21. Second-Order and Third-Order Harmonic Distortion vs. Input

Frequency

–100

CHANNEL GAIN (dB)

–90

–80

–70

–60

–50

–40

–30

–20

–10

PGAGAIN = 24dB

LNAGAIN = 17.9dB

LNAGAIN = 15.6dB

LNAGAIN = 21.6dB

Figure 22. Second-Order Harmonic Distortion vs. Channel Gain,

AOUT = −1.0 dBFS

–100

CHANNEL GAIN (dB)

–90

–80

–70

–60

–50

–40

–30

–20

–10

PGAGAIN = 24dB

LNAGAIN = 15.6dB

LNAGAIN = 21.6dB

LNAGAIN = 17.9dB

Figure 23. Third-Order Harmonic Distortion vs. Channel Gain,

AOUT = −1.0 dBFS

–120

–40

ADC OUTPUT LEVEL (dBFS)

–110

–100

–90

–80

–70

–60

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–30

–20

–10

–35

–30

–25

–20

–15

–10

–5

VGAIN = 0V

VGAIN = –1.2V

VGAIN = +1.6V

Figure 24. Second-Order Harmonic Distortion vs. ADC Output Level (AOUT)

–120

–40

ADC OUTPUT LEVEL (dBFS)

–110

–100

–90

–80

–70

–60

–50

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–30

–20

–10

–35

–30

–25

–20

–15

–10

–5

VGAIN = –1.2V

VGAIN = +1.6V

VGAIN = 0V

Figure 25. Third-Order Harmonic Distortion vs. ADC Output Level (AOUT)

–100

–160

–150

–140

–130

–120

–110

100

100k

10k

OFFSET FREQUENCY FROM CARRIER (Hz)

Figure 26. TGC Path Phase Noise,

LNA Gain = 21.6 dB, PGA Gain = 27 dB, VGAIN = 0 V

AD9671KBCZ Datasheet(PDF) 19 Page - Analog Devices

AD9671KBCZ Datasheet(HTML) 19 Page - Analog Devices

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