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TLV2401CDBVT датащи(PDF) 16 Page - Texas Instruments |
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TLV2401CDBVT датащи(HTML) 16 Page - Texas Instruments |
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16 / 33 page ![]() TLV2401, TLV2402, TLV2404 FAMILY OF 880-nA/Ch RAIL-TO-RAIL INPUT/OUTPUT OPERATIONAL AMPLIFIERS WITH REVERSE BATTERY PROTECTION SLOS244B – FEBRUARY 2000 – REVISED NOVEMBER 2000 16 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 APPLICATION INFORMATION general power dissipation considerations For a given θJA, the maximum power dissipation is shown in Figure 40 and is calculated by the following formula: P D + T MAX –T A q JA Where: PD = Maximum power dissipation of THS240x IC (watts) TMAX = Absolute maximum junction temperature (150°C) TA = Free-ambient air temperature ( °C) θJA = θJC + θCA θJC = Thermal coefficient from junction to case θCA = Thermal coefficient from case to ambient air (°C/W) 1 0.75 0.5 0 –55 –40 –25 –10 5 1.25 1.5 MAXIMUM POWER DISSIPATION vs FREE-AIR TEMPERATURE 1.75 20 35 50 0.25 TA – Free-Air Temperature – °C 2 65 80 95 110 125 MSOP Package Low-K Test PCB θJA = 260°C/W TJ = 150°C PDIP Package Low-K Test PCB θJA = 104°C/W SOIC Package Low-K Test PCB θJA = 176°C/W SOT-23 Package Low-K Test PCB θJA = 324°C/W NOTE A: Results are with no air flow and using JEDEC Standard Low-K test PCB. Figure 40. Maximum Power Dissipation vs Free-Air Temperature |
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