AD9430 datasheet(20/45 Pages) AD

20 / 45 page

AD9430

Rev. E | Page 19 of 44

ANALOG SUPPLY

CURRENT CMOS

MODE

ANALOG SUPPLY

CURRENT LVDS

MODE

OUTPUT SUPPLY

CURRENT LVDS

MODE

OUTPUT SUPPLY

CURRENT CMOS

MODE

ENCODE (MSPS)

100

220

140

160

180

200

120

400

350

250

150

300

200

100

Figure 30. IAVDD and IDRVDD vs. Clock Rate (AIN = 10.3 MHz @ –0.5 dBFS)

170 MSPS Grade, CLOAD = 5 pF

ENCODE (MSPS)

450

400

350

300

250

200

150

100

140

160

200

220

240

120

180

ANALOG SUPPLY

CURRENT LVDS MODE

OUTPUT SUPPLY

CURRENT LVDS MODE

OUTPUT SUPPLY

CURRENT CMOS MODE

ANALOG SUPPLY

CURRENT CMOS MODE

Figure 31. IAVDD and IDRVDD vs. Clock Rate

(AIN = 10.3 MHz @ –0.5 dBFS), 210 MSPS Grade, CLOAD = 5 pF

SINAD

SNR

SFDR

ENCODE POSITIVE DUTY CYCLE (%)

Figure 32. SINAD and SFDR vs. Clock Pulse Width High

(AIN = 10.3 MHz @ –0.5 dBFS, 170 MSPS, LVDS)

ENCODE POSITIVE DUTY CYCLE (%)

SINAD

SNR

SFDR

Figure 33. SNR, SINAD, and SFDR vs. ENCODE Pulse Width High,

(AIN = 10.3 MHz @ –0.5 dBFS, 210 MSPS, LVDS)

ILOAD (mA)

147

1.4

1.2

1.0

0.8

0.6

0.4

0.2

RO = 13Ω TYP

Figure 34. VREFOUT vs. ILOAD

TEMPERATURE (°C)

–50

–30

–10

–2.0

1.5

–1.0

1.0

0.5

–0.5

–1.5

% GAIN ERROR

USING EXT REF

2.0

Figure 35. Full-Scale Gain Error vs. Temperature

(AIN = 10.3 MHz @ –0.5 dBFS, 170 MSPS/210 MSPS, LVDS)

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