AD9689-2000EBZ datasheet(24/134 Pages) AD

24 / 134 page

AD9689

Data Sheet

Rev. A | Page 24 of 134

–40

–30

–20

–10

100

110

–90 –82 –74 –66 –58 –50 –42 –34 –26 –18 –10 –2

INPUT AMPLITUDE (dBFS)

SNR (dBc)

SNR (dBFS)

SFDR (dBc)

SFDR (dBFS)

Figure 54. SNR/SFDR vs. Input Amplitude (AIN), fIN = 900 MHz

–40

–30

–20

–10

100

110

–90 –82 –74 –66 –58 –50 –42 –34 –26 –18 –10 –2

INPUT AMPLITUDE (dBFS)

SNR (dBc)

SNR (dBFS)

SFDR (dBc)

SFDR (dBFS)

Figure 55. SNR/SFDR vs. Input Amplitude (AIN), fIN = 1800 MHz

–10 0

10 20 30 40 50 60 70 80 90 100 110 120

JUNCTION TEMPERATURE (°C)

SNR

SFDR

Figure 56. SNR/SFDR vs. Junction Temperature (TJ), fIN = 900 MHz

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

–10 0

10 20 30 40 50 60 70 80 90 100 110 120

JUNCTION TEMPERATURE (°C)

AVDD1 POWER/AVDD2 POWER/AVDD3 POWER (W)

DRVDD1 POWER/DRVDD2 POWER (W)

DVDD POWER/SPIVDD POWER (W)

TOTAL POWER (W)

Figure 57. Power vs. Junction Temperature (TJ), fIN = 900 MHz

155.3 655.3 1155.3 1655.3 2155.3 2655.3 3155.3 3655.3

ANALOG INPUT FREQUENCY (MHz)

0.2V

0.3V

0.5V

0.8V

1.2V

1.8V

2.0V

Figure 58. SNR vs. Analog Input Frequency (fIN) for Various Clock Amplitude

in Differential Peak-to-Peak Voltages

1800 1900 2000 2100 2200 2300 2400 2500 2600 2700

SAMPLE FREQUENCY (MHz)

SNR

SFDR

Figure 59. SNR/SFDR vs. Sample Frequency (fS), fIN = 900 MHz

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