PSB21650ELV1.5G

Soc System On Chip Overview

The Lantiq PSB21650ELV1.5G is a high-performance ADSL2+ transceiver chip designed for broadband access applications. It integrates a dedicated DSP core optimized for ADSL2+ signal processing, supporting data rates up to 24 Mbps downstream and 3.5 Mbps upstream over standard telephone lines. The device features an integrated voltage regulator and supports various line coding schemes including DMT and CAP. It is engineered for low power consumption and compact form factors, suitable for residential gateways and enterprise edge devices requiring reliable DSL connectivity.

Soc System On Chip Feature Summary

• Integrated ADSL2+ DSP with DMT modulation support
• Supports data rates up to 24 Mbps downstream
• Built-in voltage regulator for simplified power design
• Low power consumption optimized for embedded systems

Soc System On Chip Applications

• Residential ADSL2+ modems and routers
• Enterprise DSL edge equipment
• Broadband access network terminals

Soc System On Chip Part Context

This component belongs to the Lantiq (formerly Infineon) PSB21xx series of DSL transceivers. The PSB21650 variant specifically targets ADSL2+ markets, offering enhanced performance compared to earlier ADSL1 chips. It was widely used in the mid-to-late 2000s before the industry shifted towards VDSL and fiber solutions.

Soc System On Chip Replacement Considerations

Direct pin-compatible replacements are limited due to the obsolescence of this specific part number. Potential alternatives include newer Lantiq/Intel DSL chips or competitors like Broadcom and Realtek, but these often require schematic and firmware redesigns. Verify interface compatibility and software support when considering substitutes.