Touch control SIP circuit device and packaging structure thereof

• Main Author: YANG ZEFEI
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; PULSE TECHNIQUE

The utility model discloses a touch control SI P circuit device and a packaging structure thereof, belongs to the technical field of touch switches, and aims to solve the problems that a capacitive touch switch is small in sensing area, low in integration level and prone to mutual interference. The device comprises a sensing module, an amplifying and filtering module and a shaping module, the sensing module is electrically connected with the amplifying and filtering module, the shaping module is electrically connected with the amplifying and filtering module, the sensing module is a piezoelectric MEMS structure sensing chip, and the amplifying and filtering module comprises an operational amplifier U1, an amplifying and filtering parameter adjusting peripheral device and a direct current bias circuit element. The amplification filtering parameter adjusting peripheral device comprises a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C1 and a capacitor C3, the direct curren