| maximum ratings” may cause permanent damage to the device. These are stress ratings only, andfunctional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is notimplied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.DISSIPATION RATING TABLEPACKAGE T ≤ 25°C DERATING FACTOR T = 70°C T = 85°CA A A‡PWP 2.7 W 21.8 mW/°C 1.7 W 1.4 W‡Please see the Texas Instruments document, PowerPAD Thermally Enhanced Package Application Report(literature number SLMA002), for more information on the PowerPAD package. The thermal data wasmeasured on a PCB layout based on the information in the section entitled Texas Instruments RecommendedBoard for PowerPAD on page 33 of the before mentioned document.recommended operating conditionsMIN NOM MAX UNITSupply voltage, V 3 5 5.5 VDDV = 5 V, 4-W stereo BTL drive, DD–40 85250 mW/ch average power, With proper PCB designO Operating perating free free-air air temperat temperature ure, T T ° °C CA AV = 5 V, 4-W stereo BTL drive,DD–40 551.5 W/ch average power, With proper PCB designV = 5 V 1.25 4.5DDCommon Common mode mode inp inpu utt v voltage oltage, V V V VICM ICMV = 3.3 V 1.25 2.7DDdc |
