TMS320DM6431 datasheet(222/227 Pages) TI1

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7.1.1 Thermal Data for ZDU

7.1.2 Packaging Information

TMS320DM6431

Digital Media Processor

SPRS342C – NOVEMBER 2006 – REVISED JUNE 2008

www.ti.com

Table 7-2. Thermal Resistance Characteristics (PBGA Package) [ZDU]

NO.

°C/W(1)

AIR FLOW (m/s)(2)

ΘJC

Junction-to-case

7.7

N/A

ΘJB

Junction-to-board

10.5

N/A

19.7

0.00

ΘJA

Junction-to-free air

15.5

1.0

14.3

2.00

4.9

0.00

PsiJT

Junction-to-package top

5.1

1.0

5.2

2.00

10.4

0.00

PsiJB

Junction-to-board

9.8

1.0

9.6

2.00

(1)

The junction-to-case measurement was conducted in a JEDEC defined 1S0P system. Other measurements were conducted in a JEDEC

defined 1S2P system and will change based on environment as well as application.

For more information, see these three EIA/JEDEC standards:

•

EIA/JESD51-2, Integrated Circuits Thermal Test Method Environment Conditions - Natural Convection (Still Air)

•

EIA/JESD51-3, Low Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages

•

JESD51-7, High Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages

(2)

m/s = meters per second

The following packaging information and addendum reflect the most current data available for the

designated device(s). This data is subject to change without notice and without revision of this document.

222

Mechanical Data

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