AD9265 datasheet(16/44 Pages) AD

16 / 44 page

AD9265

Rev. A | Page 16 of 44

120

100

110

–100 –90

–80

–70

–60

–50

–40

–30

–20

–10

INPUT AMPLITUDE (dBFS)

SNRFS (DITHER ON)

SNRFS (DITHER OFF)

SFDRFS (DITHER ON)

SFDRFS (DITHER OFF)

Figure 12. AD9265-80 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with

fIN = 30 MHz With and Without Dither Enabled

100

150

200

250

300

INPUT FREQUENCY (MHz)

SNR @ –40°C

SFDR @ –40°C

SNR @ +25°C

SFDR @ +25°C

SNR @ +85°C

SFDR @ +85°C

Figure 13. AD9265-80 Single-Tone SNR/SFDR vs.

Input Frequency (fIN) and Temperature with 2 V p-p Full Scale

105

100

SAMPLE RATE (MSPS)

SFDR

SNR

Figure 14. AD9265-80 Single-Tone SNR/SFDR vs. Sample Rate (fS)

with fIN = 70.1 MHz

450,000

400,000

350,000

300,000

250,000

200,000

150,000

100,000

50,000

OUTPUT CODE

2.17 LSB RMS

Figure 15. AD9265-80 Grounded Input Histogram

–1

–2

–3

–4

10,000

20,000

30,000

40,000

50,000

60,000

OUTPUT CODE

INL WITHOUT DITHER

INL WITH DITHER

Figure 16. AD9265-80 INL with fIN = 12.5 MHz

1.00

0.75

0.50

0.25

–0.25

–0.50

–0.75

–1.00

10,000

20,000

30,000

40,000

50,000

60,000

OUTPUT CODE

Figure 17. AD9265-80 DNL with fIN = 12.5 MHz

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