AD9483

–26–

REV. A

OUTLINE DIMENSIONS

Dimensions shown in inches and (mm).

100-Lead Plastic Quad Flatpack

(S-100B)

81

100

1

50

80

31

30

51

TOP VIEW

(PINS DOWN)

PIN 1

0.685 (17.4)

0.669 (17.0)

0.555 (14.10)

0.547 (13.90)

0.015 (0.35)

0.009 (0.25)

0.921 (23.4)

0.906 (23.0)

0.742 (18.85) TYP

0.791 (20.10)

0.783 (19.90)

0.029 (0.73)

0.023 (0.57)

0.486

(12.35)

TYP

NOTE: THE AD9483KS PACKAGE USES A COPPER INSERT TO HELP DISSIPATE HEAT AND ENSURE RELIABLE OPERATION

OVER THE FULL 0 C TO +85 C TEMPERATURE RANGE. THIS COPPER INSERT IS EXPOSED ON THE UNDERSIDE OF THE

DEVICE. IT IS RECOMMENDED THAT DURING THE DESIGN OF THE PC BOARD NO THROUGHHOLES OR SIGNAL TRACES BE

PLACED UNDER THE AD9483 THAT COULD COME IN CONTACT WITH THE COPPER INSERT. COMMONLY ACCEPTED BOARD

LAYOUT PRACTICES FOR HIGH SPEED CONVERTERS SPECIFY THAT ONLY GROUND PLANES SHALL BE LOCATED UNDER

THESE DEVICES TO MINIMIZE NOISE OR DISTORTION OF VIDEO SIGNALS.

81

80

100

1

50

31

30

51

BOTTOM

VIEW

(PINS UP)

0.362

(9.2)

0.551

(14.0)

0.787 (20.0)

0.433 (11.0)

PIN 1

CONDUCTIVE HEAT SINK

ON BOTTOM OF PACKAGE

SEATING

PLANE

0.134

(3.40)

MAX

0.041 (1.03)

0.031 (0.78)

0.004

(0.10)

MAX

0.010

(0.25)

MIN

0.110 (2.80)

0.102 (2.60)