AD9208 datasheet(21/137 Pages) AD

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AD9208

Data Sheet

Rev. 0 | Page 20 of 136

–120

–100

–80

–60

–40

–20

–95 –89 –83 –77 –71 –65 –59 –53 –47 –41 –35 –29 –23 –17

INPUT AMPLITUDE (dBFS)

IMD3 (dBFS)

IMD3 (dBc)

SFDR (dBFS)

SFDR (dBc)

–11 –7

Figure 30. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with

fIN1 = 2621.5 MHz, fIN2 = 2631.5 MHz

–40

–30

–20

–10

100

110

–95 –89 –83 –77 –71 –65 –59 –53 –47 –41 –35 –29 –23 –17 –11 –5 –1

INPUT AMPLITUDE (dBFS)

SNR (dBc)

SNR (dBFS)

SFDR (dBc)

SFDR (dBFS)

Figure 31. SNR/SFDR vs. Input Amplitude (AIN), fIN = 950 MHz

–40

–30

–20

–10

100

110

–95 –89 –83 –77 –71 –65 –59 –53 –47 –41 –35 –29 –23 –17 –11 –5 –1

INPUT AMPLITUDE (dBFS)

SNR (dBc)

SNR (dBFS)

SFDR (dBc)

SFDR (dBFS)

Figure 32. SNR/SFDR vs. Input Amplitude (AIN), fIN = 1800 MHz

–10

2030405060708090 100 110 120

TJ (°C)

SNR (dBFS)

SFDR (dBFS)

Figure 33. SNR/SFDR vs. Junction Temperature (TJ), fIN = 950 MHz, AIN = −9 dBFS

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

–10

90 100 110 120

TJ (°C)

TOTAL POWER (W)

AVDD1 + AVDD2 + AVDD3 POWER (W)

DVDD + SPIVDD POWER (W)

DRVDD1 + DRVDD2 POWER (W)

Figure 34. Power vs. Junction Temperature (TJ), fIN = 950 MHz

255

655

1055

1455

1855

2255

2655

3055

3455

3855

ANALOG INPUT FREQUENCY (MHz)

500mV p-p

1200mV p-p

1800mV p-p

200mV p-p

1000mV p-p

1500mV p-p

2000mV p-p

Figure 35. SNR vs. Analog Input Frequency (fIN) vs. Various Clock Amplitude in

Differential Voltages, AIN = −2dBFS

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