Analog switch circuit with bidirectional overvoltage protection

The invention belongs to the field of analog integrated circuits, and particularly relates to an analog switch circuit with bidirectional overvoltage protection, which comprises a switch control circuit, an overvoltage current-limiting protection circuit and a switch circuit, the switch control circuit is connected with the switch circuit and is used for controlling the switch circuit; the overvoltage current-limiting protection circuit is connected with the switching circuit and is used for protecting the switching circuit; the invention discloses an analog switch circuit with bidirectional overvoltage protection, which can effectively protect the analog switch circuit and improve the reliability of the circuit under the condition of bidirectional overvoltage of an analog input port and an analog output port of the analog switch circuit. 本发明属于模拟集成电路领域，具体涉及一种具有双向过压保护的模拟开关电路，该电路包括：开关控制电路、过压限流保护电路以及开关电路；所述开关控制电路与开关电路连接，用于控制开关电路；所述过压限流保护电路与开关电路连接，用于保护开关电路；本发明公开一种具有双向过压保护的模拟开关电路，能在模拟开关电路的模拟输入端口和模拟输出端口双向过压的情况下，有效保