摘要：由两个精密运算放大器（ MAX4236 ） ，参考电压（ MAX6143 ） ，与非门，以及相关的组件，这个直流电压检测电路断言数字输出信号，当输入是在± 100mV的窗口，集中在0V。Maxim > Design support > App notes > Amplifier and Comparator Circuits > APP 4568 Maxim > Design support > App notes > Circuit Protection > APP 4568 Maxim > Design support > App notes > Microprocessor Supervisor Circuits > APP 4568 Keywords: bipolar dc-voltage detection, high-impedance inputs, galvanic isolation Jan 26, 2011 APPLICATION NOTE 4568 Bipolar DC-Voltage Detector Offers Sensitivity and Precision Abstract: Comprised of two precision op amps (MAX4236), a voltage reference (MAX6143), a NAND gate, and associated components, this DC-voltage detector circuit asserts a digital output signal when the input is within a ±100mV window, centered at 0V. A similar ver……