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LM358运放单电源供电15.3V损坏原因

Other Parts Discussed in Thread: LM358

请问下TI的专家
 问题:LM358供电15.3V,按手册没问题,但实际电路输出不正常,输出电压7.6V左右。
1、我以为LM358坏了,更换新LM358后输出是7.4V,且慢慢增加到7.8V
2、然后我把供电调成12V,输出仍然7.8V.
3、在12V电压下更换新LM358,输出正常。
我分析是单电源15.3V电压供电(在手册合理范围内)导致LM358损坏,但不清楚原因。电路图如下