SI3205 (2)

The SI3205 series is available from Skyworks at Xecor. Designed for subscriber line interface concept (SLIC) and CODEC functionality, the SI3205 offers high-performance telecom interface capabilities with SPI, GCI, and PCM interfaces. Available in multiple package options such as 16-SOIC, it is ideal for telecommunications applications, including multi-channel chipset implementations. Whether used in telecom infrastructure or linefeed interface systems, this series ensures reliable performance and scalability for demanding applications. Xecor is an authorized distributor for Skyworks. Please view our extensive selection of the SI3205 series below.

Part Number Description Package Inventory Add To Bom
SI3205-B-FS Two-channel slic amplifier with high sensitivit SOIC-16 2,269
SI3205-B-FSR The SLIC CH is an integrated circuit featuring two amplifiers in one packag SOIC-16 6,663

Key Featrues

SPI Interface - The SLIC (Subscriber Line Interface Circuit) features an SPI (Serial Peripheral Interface) for communication, enabling efficient and high-speed data transfer between the device and a microcontroller. This enhances system integration and simplifies control in telecom applications.
Multi-Channel Support - With support for up to 4 channels, this IC is ideal for multi-line telecom systems, reducing the need for additional components and optimizing space and cost in complex setups.
Wide Operating Voltage (3.3V) - Operating at 3.3V, the device ensures compatibility with low-power systems, making it suitable for energy-efficient telecom solutions and extending its use in portable or battery-powered devices.
Surface Mount Package (SOIC-16) - The compact SOIC-16 package allows for easy integration into densely populated PCBs, improving manufacturing efficiency and enabling use in space-constrained designs.
Temperature Range (0°C to +70°C) - With an operating temperature range of 0°C to +70°C, the IC is reliable in a variety of environments, ensuring stable performance in both commercial and industrial telecom applications.

Applications

Telecom Line Interface for VoIP Systems: The SI3205 is ideal for integrating into VoIP systems, providing a robust subscriber line interface (SLIC) and CODEC functionality. Its SPI interface ensures seamless communication with microcontrollers, while its 3.3V operation makes it suitable for low-power telecom applications in enterprise and residential environments.
Multi-Channel Linefeed Interface for PBX Systems: The SI3205 is perfect for multi-channel PBX systems, offering a single-channel linefeed interface that can be scaled to four channels. Its SOIC-16 package and surface-mount design make it easy to integrate into compact telecom hardware, ensuring reliable performance in office and call center environments.
Industrial Telecom Interface for Harsh Environments: The SI3205 is well-suited for industrial telecom applications, where its wide operating temperature range (0°C to +70°C) and robust design ensure reliable performance. Its SPI interface and 3.3V supply voltage make it compatible with industrial control systems, enabling seamless integration into factory automation and monitoring systems.
Telecom Interface for IoT Gateways: The SI3205 is an excellent choice for IoT gateways requiring telecom connectivity. Its GCI, PCM, and SPI interfaces allow flexible integration with various communication protocols, while its compact SOIC-16 package ensures space-efficient design in IoT devices deployed in smart homes, cities, and industrial IoT applications.

Popular SI3205 Products comparison

SI3205-B-FSR vs SI3205-B-FS