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如题
如果要接双电源的话，范围是-2.75~+2.75， 所以不能接-5和+5供电
祥见打他sheet 8.2.2.7 operating voltage
The INA333 operates over a power-supply range of 1.8 V to 5.5 V (±0.9 V to ±2.75 V).
如果你需要+-5V供电的仪表放大，TI也有很多，比如INA122， INA128，INA131等。
