AD-DPGIOZ datasheet(15/61 Pages) AD

15 / 61 page

Data Sheet

AD9961/AD9963

Rev. A | Page 15 of 60

–10

–8

–6

–4

–2

–40 –35 –25 –15 –5

TEMPERATURE (°C)

Figure 16. Typical Die Temperature Readback Error vs. Ambient Temperature

REF –38.23dBm

#AVG

LOG 10dB/

PAVG

W1 S2

ATTEN 2dB

CENTER 21.00MHz

#RES BW 30kHz

SPAN 33.84MHz

SWEEP 109.8ms (601pts)

RMS RESULTS

CARRIER POWER

–25.07dBm/

3.84000MHz

5.000MHz

10.00MHz

15.00MHz

3.840MHz

–73.49

–72.90

–73.44

–98.57

–97.97

–98.51

FREQ OFFSET REF BW

dBc

LOWER

dBm

–73.85

–73.11

–73.56

–98.92

–98.19

–98.63

dBc

UPPER

dBm

VBW 300kHz

EXT REF

DC COUPLED

Figure 17. One-Carrier W-CDMA ACLR Performance, IF = ~21 MHz

100

102030

405060

fOUT (MHz)

IDAC 1.8V CMOS

SECOND HARMONIC (dBc)

IDAC 1.8V CMOS

THIRD HARMONIC (dBc)

Figure 18. AD9961, Second and Third Harmonic Distortion vs. fOUT,

fDAC = 125 MHz, 1×, Digital Scale = 0 dBFS, TXVDD = 1.8 V

100

102030

405060

fOUT (MHz)

IDAC 3.3V CMOS

SECOND HARMONIC (dBc)

IDAC 3.3V CMOS

THIRD HARMONIC (dBc)

Figure 19. AD9961, Second and Third Harmonic Distortion vs. fOUT, fDAC =

125 MHz, 1×, Digital Scale = 0 dBFS, TXVDD = 3.3 V

100

–80

–70

–60

–50

–40

–30

–20

–10

fIN (dBm)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dBc)

Figure 20. SNR/SFDR vs. Analog Input Level, fIN = 10 MHz, fADC = 100 MSPS

100

–80

–70

–60

–50

–40

–30

–20

–10

fIN (dBm)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dBc)

Figure 21. SNR/SFDR vs. Analog Input Level, fIN = 70 MHz, fADC = 100 MSPS

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