■ Low noise analog signal path■ 0.4 mΩ internal conductor resistance■ Output voltage proportional to AC and DC current■ Min. sensing current 0~20A at 5V voltage supply■ High Sensitivity: BS2702: 1000 mV/A , BS2705: 255 mV/A BS2720: 64 mV/A■ Wide operating voltage range 3.0~12 V.■ Low operating current 3mA■ Nearly zero magnetic hysteresis.■ Ratiometric output from supply voltage■ 23K Hz bandwidth
Please refer to the following datasheet