BUY CA1003 https://www.utsource.net/itm/p/1742424.html

Description: The CA1003 is an 8-pin SIP (Single In-line Package) integrated circuit manufactured by MIT (Microchip Technology Inc.). Features: Low power consumption High speed operation Low noise High reliability Low cost Applications: The CA1003 is commonly used in applications such as automotive, industrial, and consumer electronics. It can be used for power management, motor control, and signal conditioning. (For reference only)