CS8421 查看數據表（PDF） - Cirrus Logic

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CS8421

32-bit, 192-kHz Asynchronous Sample Rate Converter

Cirrus Logic 

CS8421

20-PIN QFN (5 × 5 MM BODY) PACKAGE DRAWING

b

e

D

Pin #1 Corner

Pin #1 Corner

E

E2

Top View

DIM

A

A1

b

D

D2

E

E2

e

L

MIN

--

0.0000

0.0091

0.1201

0.1202

0.0197

INCHES

NOM

--

--

0.0110

0.1969 BSC

0.1220

0.1969 BSC

0.1221

0.0256 BSC

0.0236

A1

L

D2

A

Side View

MAX

0.0394

0.0020

0.0130

0.1240

0.1241

0.0276

MIN

--

0.00

0.23

3.05

3.05

0.50

Bottom View

MILLIMETERS

NOM

--

--

0.28

5.00 BSC

3.10

5.00 BSC

3.10

0.65 BSC

0.60

MAX

1.00

0.05

0.33

3.15

3.15

0.70

NOTE

1

1

1, 2

1

1

1

1

1

1

JEDEC #: MO-220

Controlling Dimension is Millimeters.

1. Dimensioning and tolerance per ASME Y 14.5M-1995.

2. Dimensioning lead width applies to the plated terminal and is measured between 0.23mm and 0.33mm

from the terminal tip.

QFN THERMAL CHARACTERISTICS

Parameter

Symbol

Min

Junction to Ambient Thermal Impedance 2 Layer Board

4 Layer Board

θJA

-

-

Typ

Max Units

128

-

°C/Watt

35

-

°C/Watt

DS641F4

35

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