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在datasheet中双电源供电写了：±3.5到±7.5之间，又写了 Supply Voltage, V− to V+ 16V，那么问题来了。
如果使用双电压供电，电压不对称可以吗，用+12V -3V可以正常工作吗？
亲；稍有不对称；不影响使用。但无论如何负电压不到3.5V是不可接收的。
