Package dimensions, Thermal characteristics, 40l qfn (6 x 6 mm body) package drawing – Cirrus Logic CS43L22 User Manual

Page 65

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DS792F2

65

CS43L22

Confidential Draft

3/4/10

13.PACKAGE DIMENSIONS

1.

Dimensioning and tolerance per ASME Y 14.5M-1995.

2.

Dimensioning lead width applies to the plated terminal and is measured between 0.20 mm and 0.25 mm
from the terminal tip.

THERMAL CHARACTERISTICS

INCHES

MILLIMETERS

NOTE

DIM

MIN

NOM

MAX

MIN

NOM

MAX

A

--

--

0.0394

--

--

1.00

1

A1

0.0000

--

0.0020

0.00

--

0.05

1

b

0.0071

0.0091

0.0110

0.18

0.23

0.28

1

,

2

D

0.2362 BSC

6.00 BSC

1

D2

0.1594

0.1614

0.1634

4.05

4.10

4.15

1

E

0.2362 BSC

6.00 BSC

1

E2

0.1594

0.1614

0.1634

4.05

4.10

4.15

1

e

0.0197 BSC

0.50 BSC

1

L

0.0118

0.0157

0.0197

0.30

0.40

0.50

1

JEDEC #: MO-220

Controlling Dimension is Millimeters.

Parameter

Symbol

Min

Typ

Max

Units

Junction to Ambient Thermal Impedance

2 Layer Board
4 Layer Board

θ

JA

θ

JA

-
-

44
19

-
-

°C/Watt
°C/Watt

40L QFN (6 X 6 mm BODY) PACKAGE DRAWING

e

b

A

A1

PIN #1 IDENTIFIER

∅0.50±0.10

LASER MARKING

E

2.

00

RE

F

D2

L

PIN #1 CORNER

2.00 REF

E2

D

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