The CT25203 serves as an analog front-end essential for developing PMD transceivers compliant with the OA TC14 specification. This transceiver interacts via a 3-pin OA interface, crucial for host MCUs, Zonal Gateway Controllers, or Ethernet switches. Notably, the transceiver aligns with 10BASE-T1S digital PHY, offering a compact design and manufactured with high-voltage process technology, ensuring optimal electromagnetic compatibility.