ADSP-TS201S

ENVIRONMENTAL CONDITIONS

The ADSP-TS201S processor is rated for performance under

TCASE environmental conditions specified in the Recommended

Operating Conditions on Page 21.

Thermal Characteristics

The ADSP-TS201S processor is packaged in a 25 mm × 25 mm thermally enhanced ball grid array (BGA_ED). The ADSPTS201S processor is specified for a case temperature (TCASE). To ensure that the TCASE data sheet specification is not exceeded, a heat sink and/or an air flow source may be required.

Table 30 shows the thermal characteristics of the

25 mm × 25 mm BGA_ED package. All parameters are based on a JESD51-9 four-layer 2s2p board. All data are based on 3 W power dissipation.

Table 30. Thermal Characteristics for 25 mm × 25 mm Package

Parameter

Condition

Typical

Unit

 

Airflow = 0 m/s

12.92

°C/W

 

Airflow = 1 m/s

10.2

°C/W

θJA1

Airflow = 2 m/s

9.0

°C/W

 

Airflow = 3 m/s

8.0

°C/W

θJB3

7.7

°C/W

θJC4

0.7

°C/W

1 θJA measured per JEDEC standard JESD51-6.

2θJA = 12.9°C/W for 0 m/s is for vertically mounted boards. For horizontally mounted boards, use 17.0°C/W for 0 m/s.

3 θJB measured per JEDEC standard JESD51-9.

4 θJC measured by cold plate test method (no approved JEDEC standard).

Rev. 0 | Page 39 of 44 | November 2004

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