ACS712电流传感器的数据手册，包括外围电路的搭建和计算，和芯片内部的电路。

文档内容节选

ACS712 Fully Integrated Hall EffectBased Linear Current Sensor with 21 kVRMS Voltage Isolation and a LowResistance Current Conductor Features and Benefits Lownoise analog signal path Device bandwidth is set via the new FILTER pin 5 s output rise time in response to step input current 80 kHz bandwidth Total output error 15 at TA 25C Small footprint lowprofile SOIC8 package 12 m internal conductor resistance 21 kVRMS minimum isolation voltage from pins 14 to pins 58 50 V single supply o......