AD9218 datasheet(24/24 Pages) AD

24 / 24 page

REV. 0

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AD9218

48-Lead LQFP

(ST-48)

TOP VIEW

(PINS DOWN)

0.019 (0.5)

BSC

0.276

(7.00)

BSC

0.011 (0.27)

0.006 (0.17)

0.354 (9.00) BSC SQ

0.063 (1.60)

MAX

0.030 (0.75)

0.018 (0.45)

0.008 (0.2)

0.004 (0.09)

MIN

COPLANARITY

0.003 (0.08)

SEATING

PLANE

0.006 (0.15)

0.002 (0.05)

0.057 (1.45)

0.053 (1.35)

OUTLINE DIMENSIONS

Dimensions shown in inches and (mm).

Troubleshooting

If the board does not seem to be working correctly, try the

following:

• Verify power at IC pins.

• Check that all jumpers are in the correct position for the

desired mode of operation.

• Verify VREF is at 1.23 V.

• Try running encode clock and analog inputs at low speeds

(20 MSPS/1 MHz) and monitor LCX821 outputs, DAC

outputs, and ADC outputs for toggling.

The AD9218 Evaluation Board is provided as a design example

for customers of Analog Devices, Inc. ADI makes no warranties,

express, statutory, or implied, regarding merchantability or

fitness for a particular purpose.

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