AD9670EBZ datasheet(18/53 Pages) AD

18 / 53 page

Data Sheet

AD9670

Rev. A | Page 17 of 52

–100

211

INPUT FREQUENCY (MHz)

–90

–80

–70

–60

–50

–40

–30

–20

–10

345

LNA GAIN = 21.6dB

PGA GAIN = 27dB

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, AOUT = −1.0 dBFS

–100

CHANNEL GAIN (dB)

–90

–80

–70

–60

–50

–40

–30

–20

–10

PGA GAIN = 24dB

LNA GAIN = 17.9dB

LNA GAIN = 15.6dB

LNA GAIN = 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

PGA GAIN = 24dB

LNA GAIN = 15.6dB

LNA GAIN = 21.6dB

LNA GAIN = 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

–50

–40

–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

–40

–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

AD9670EBZ датащи(PDF) 18 Page - Analog Devices

AD9670EBZ датащи(HTML) 18 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

датащи скачать

ссылки URL