AD9650 datasheet(26/44 Pages) AD

26 / 44 page

AD9650

Rev. 0 | Page 26 of 44

–140

–120

–100

–80

–60

–40

–20

FREQUENCY (MHz)

105MSPS

124.8MHz @ –7dBFS

128.3MHz @ –7dBFS

SFDR = 83.8dBc

Figure 61. AD9650-105 Two-Tone FFT with fIN1 = 124.8 MHz and fIN2 = 128.3 MHz

–140

–120

–100

–80

–60

–40

–20

–90

–10

–20

–30

–40

–50

–60

–70

–80

INPUT AMPLITUDE (dBFS)

IMD3 (dBc)

SFDR (dBc)

IMD3 (dBFS)

SFDR (dBFS)

Figure 62. AD9650-105 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with

fIN1 = 128.3 MHz, fIN2 = 124.8 MHz, fs = 105 MSPS

900

800

700

600

500

400

300

200

100

145

125

105

SAMPLE RATE (MSPS)

TOTAL POWER LVDS (mW)

LVDS IDRVDD (mA)

LVDS AND CMOS IAVDD (mA)

TOTAL POWER CMOS (mW)

CMOS IDRVDD (mA)

Figure 63. AD9650-105 Power and Current vs. Sample Rate

1200000

200000

400000

600000

800000

1000000

OUTPUT CODE

Figure 64. AD9650-105 Grounded Input Histogram

–2

–4

–6

OUTPUT CODE

10000

20000

30000

40000

50000

60000

DITHER DISABLED

DITHER ENABLED

Figure 65. AD9650-105 INL with fIN = 9.7 MHz

2.0

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

OUTPUT CODE

10000

20000

30000

40000

50000

60000

Figure 66. AD9650-105 DNL with fIN = 9.7 MHz

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