Detection of low-frequency signal processing chip and low-frequency signal processing circuit
A technology for processing chips and low-frequency signals. It is applied in the direction of adjusting electrical variables, control/regulating systems, instruments, etc., and can solve problems such as false triggering and low-frequency fluctuations in power supply voltages that cannot be effectively suppressed.
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[0072] To achieve the above object, the technical solution of the present invention is as follows.
[0073] see figure 1 As shown, the present invention provides a detection low-frequency signal processing chip, the processing chip includes VDD pins, VCC pins, OUT pins, TXC pins, VSS pins, LS pins, OPO pins and INN pins ; VDD is electrically connected to the state control logic circuit through the current source, and one end of the fuse FS is electrically connected between the current source i and the state control logic circuit, and the other end of the fuse FS is grounded; the VCC pin passes through a low-dropout linear regulator The LDO (low dropout regulator) circuit is electrically connected to the high-precision bandgap reference circuit; the OUT pin is electrically connected to the state control logic circuit through the drive circuit; the TXC pin is electrically connected to the state control logic circuit through the delay time timer Tx; the state The control logic c...
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