ELECTRONIC CIRCUIT DEVICE

摘要

PROBLEM TO BE SOLVED: To realize an electronic circuit device capable of expecting an effect for reducing the power consumption of a manufactured analog circuit without deteriorating accuracy and capable of easily and inexpensively judging the quality of the circuit at the time of manufacturing. SOLUTION: A circuit 1a including an analog circuit processes an analog input signal Vin. The circuit 1a including the analog circuit outputs a coefficient s1 expressing a prescribed characteristic of the analog circuit included in the circuit 1a to a coefficient detection/control circuit 1b. The coefficient detection/control circuit 1b processes and detects the coefficient s1 as a signal value to detect the characteristic of the analog circuit. The coefficient detection/control circuit 1b outputs a control signal s2 corresponding to the detection result of the obtained coefficient s1 to the circuit 1a including the analog circuit. Consequently the coefficient detection/control circuit 1b adjusts the operation state of the analog circuit and controls the operation of the circuit 1a including the analog circuit. The coefficient s1 is outputted from an external output terminal T1 to the external and monitored to judge the quality of the circuit 1a. COPYRIGHT: (C)2006,JPO&NCIPI