WM8959 datasheet(154/155 Pages) WOLFSON

Part #	WM8959

Description	Mobile Multimedia DAC with Dual-Mode Class AB/D Speaker Driver

PDF	155 Pages

Scroll/Zoom	100%

Manufacturer	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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154 / 155 page

WM8959

Pre-Production

PP, May 2008, Rev 3.1

154

PACKAGE DIMENSIONS

DM049.C

B: 42 BALL W-CSP PACKAGE 3.226 X 3.440 X 0.7mm BODY, 0.50 mm BALL PITCH

CORNER

TOP VIEW

0.10

2 X

DETAIL 2

0.10

2 X

bbb

SOLDER BALL

DETAIL 1

BOTTOM VIEW

NOTES:

1. PRIMARY DATUM -Z- AND SEATING PLANE ARE DEFINED BY THE SPHERICAL CROWNS OF THE SOLDER BALLS.

2. THIS DIMENSION INCLUDES STAND-OFF HEIGHT ‘A1’ AND BACKSIDE COATING.

3. A1 CORNER IS IDENTIFIED BY INK/LASER MARK ON TOP PACKAGE.

4. BILATERAL TOLERANCE ZONE IS APPLIED TO EACH SIDE OF THE PACKAGE BODY.

5. ‘e’ REPRESENTS THE BASIC SOLDER BALL GRID PITCH.

6. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.

7. FOLLOWS JEDEC DESIGN GUIDE MO-211-C.

0.225

2.500 BSC

3.440 BSC

0.060 BSC

3.00 BSC

0.50 BSC

3.226 BSC

Dimensions (mm)

Symbols

MIN

NOM

MAX

NOTE

0.7

0.355

0.380

0.405

0.785

0.615

0.250

0.275

0.070

0.035

0.105

0.315 BSC

WM8959 Datasheet(PDF) 154 Page - Wolfson Microelectronics plc

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