AD-DPGIOZ datasheet(14/61 Pages) AD

14 / 61 page

AD9961/AD9963

Data Sheet

Rev. A | Page 14 of 60

100

fOUT (MHz)

0dBFS

–3dBFS

–6dBFS

Figure 10. Second Harmonic Distortion vs. fOUT Over Digital Scale,

fDAC = 125 MHz, 1×, Full-Scale Current = 2 mA, TXVDD = 3.3 V

100

fOUT (MHz)

–6 dBFS

0 dBFS

–3 dBFS

Figure 11. Third Harmonic Distortion vs. fOUT Over Digital Scale,

fDAC = 125 MHz, 1×, Full-Scale Current = 2 mA, TXVDD = 3.3 V

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

100

150

200

250

FREQUENCY (MHz)

DIRECT CLOCK

DLL x25

Figure 12. Transmit DAC Output Spectrum, Full-Scale Current = 2 mA,

TXVDD = 3.3 V, fOUT = 50 MHz, fDAC = 125 MHz

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

100

150

200

250

FREQUENCY (MHz)

DIRECT CLOCK

DLL × 25

Figure 13. Transmit DAC Output Spectrum, Full-Scale Current = 2 mA,

TXVDD = 3.3 V, fOUT = 10 MHz, fDAC = 125 MHz

1.0

0.5

–0.5

–1.0

1024

2048

3584

3072

512

1536

2560

4096

SAMPLES

Figure 14. Auxiliary ADC DNL

1024

2048

3584

3072

512

1536

2560

4096

SAMPLES

1.0

0.5

–0.5

–1.0

Figure 15. Auxiliary ADC INL

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