NotePublic/Hardware/Peripherals/OPA/运放特性参数说明.md

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# 运放特性参数说明
## Voltage Output Swing from Rail
该参数说明了运放输出到 Positive Rail (V+) 和 Negative Rail (V-) 之间的压差,受输出电流 $I_{out}$ 和工作温度的影响,输出电流越小运放的实际输出可以越接近 Rail。
假设该参数为 50mV则表示实际输出电压范围为 $V_{cc-}+50mV$ 到 $V_{cc+}-50mV$ 之间。