LTC6946 datasheet(52/54 Pages) LINER

52 / 54 page

LTC2000A

2000afb

For more information www.linear.com/LTC2000A

PACKAGE DESCRIPTION

PACKAGE TOP VIEW

PIN “A1”

CORNER

aaa Z

DETAIL A

PACKAGE BOTTOM VIEW

SEE NOTES

PIN 1

BGA Package

170-Lead (15.00mm

× 9.00mm × 1.54mm)

(Reference LTC DWG# 05-08-1890 Rev C)

BGA 170 0517 REV C

TRAY PIN 1

BEVEL

PACKAGE IN TRAY LOADING ORIENTATION

COMPONENT

PIN “A1”

NOTES:

1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994

2. ALL DIMENSIONS ARE IN MILLIMETERS

BALL DESIGNATION PER JESD MS-028 AND JEP95

DETAILS OF PIN #1 IDENTIFIER ARE OPTIONAL,

BUT MUST BE LOCATED WITHIN THE ZONE INDICATED.

THE PIN #1 IDENTIFIER MAY BE EITHER A MOLD OR

MARKED FEATURE

DETAIL A

Øb (170 PLACES)

DETAIL B

PACKAGE SIDE VIEW

X Y

ddd

M Z

eee

SUGGESTED PCB LAYOUT

TOP VIEW

0.00

3.20

6.40

4.00

4.80

5.60

6.40

0.80

1.60

2.40

5.35

5.85

LTXXXXXX

0.40 ±0.025 Ø 170x

SEE NOTES

SYMBOL

aaa

bbb

ccc

ddd

eee

MIN

1.39

0.35

1.04

0.45

0.37

0.39

0.65

NOM

1.54

0.40

1.14

0.50

0.40

15.00

9.00

0.80

12.80

7.20

0.44

0.70

MAX

1.69

0.45

1.24

0.55

0.43

0.49

0.75

0.15

0.10

0.12

0.15

0.08

TOTAL NUMBER OF BALLS: 170

DIMENSIONS

NOTES

BALL HT

BALL DIMENSION

PAD DIMENSION

SUBSTRATE THK

MOLD CAP HT

5. PRIMARY DATUM -Z- IS SEATING PLANE

PACKAGE ROW AND COLUMN LABELING MAY VARY

AMONG µModule PRODUCTS. REVIEW EACH PACKAGE

LAYOUT CAREFULLY

DETAIL B

SUBSTRATE

ccc Z

MOLD

CAP

Please refer to http://www.linear.com/product/LTC2000A#packaging for the most recent package drawings.

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