工程师您好,THS4131的供电数据手册给的可以是+-12,我用的就是+-12V,每次上电都很烫,温度大约50多度,我降低了电压单电源供电+12V,芯片的温度正常,请问这是什么情况?
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运放的热功耗取决于输出摆幅和负载,单电源和双电源情况下您的输出摆幅和功耗是否有较大变化?
变化前后大概多少?或者直接串接电流表测试芯片supply current。
是否有thermal PAD?