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AD8091 Fiches technique(PDF) 8 Page - Analog Devices |
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AD8091 Fiches technique(HTML) 8 Page - Analog Devices |
8 / 20 page A8091/AD8092 Rev. B | Page 8 of 20 Airflow increases heat dissipation, effectively reducing θJA. Also, more metal directly in contact with the package leads from metal traces, through holes, ground, and power planes reduces the θJA. Care must be taken to minimize parasitic capacitances at the input leads of high speed op amps as discussed in the board layout section. Figure 4 shows the maximum safe power dissipation in the package vs. the ambient temperature for the SOIC-8 (125°C/W), SOT23-5 (180°C/W), and MSOP-8 (150°C/W) on a JEDEC standard four-layer board. 2.0 0 0.5 1.0 1.5 –40 –30 –20 –10 0 102030 405060 708090 AMBIENT TEMPERATURE ( °C) TJ = 150°C MSOP-8 SOIC-8 SOT23-5 Figure 4. Maximum Power Dissipation vs. Temperature for a Four-Layer Board |
Numéro de pièce similaire - AD8091 |
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Description similaire - AD8091 |
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