Description
The CXA2054S is an original vintage integrated circuit (IC) manufactured by Sony Corporation. Housed in a 48-pin Shrink Dual In-Line Package (SDIP), this highly sophisticated chip functions as an all-in-one US Audio Multiplexing Decoder designed for the Zenith TV Multi-channel Television Sound (MTS) standard and features direct compatibility with the I²C serial communication bus.
Key Features & Specifications:
- Core Function: Advanced MTS Stereo / SAP (Second Audio Program) Demodulator
- Integrated Technology: Features an onboard licensed dbx-TV noise reduction decoder and adjustment-free internal filters/VCO circuits to minimize external components.
- Control Interface: Supports direct serial control interface via standard I²C Bus protocols.
- Package Type: 48-Pin SDIP (Shrink Plastic Dual In-Line Package)
- Applications & Cross-References: Heavily deployed in high-end vintage CRT televisions (such as mid-to-late 1990s Sony Trinitron chassis) and stereo VCR systems. It is also cataloged under alternative manufacturer service codes, including Zenith part number 221-1127.
- Manufacturer: Sony Corporation (Japan)
A rare, pristine New-Old-Stock (NOS) replacement semiconductor component. Crucial for bench electronics technicians, retro gaming enthusiasts, and classic television repair shops restoring missing stereo channels, defective SAP operations, or complete audio multiplex decoding failures.