Manufacturer Part Number
DS21455
Manufacturer
Analog Devices
Introduction
The DS21455 is a 4-channel Line Interface Unit (LIU) designed for use in telecommunications and data communications applications. It provides a complete line interface solution, including transmit and receive circuitry, as well as on-chip termination and protection.
Product Features and Performance
4 independent LIU channels
Operates from a single 3.3V supply
Supports data rates up to 4Mbps
On-chip termination and protection
Provides transmit, receive, and loopback functionality
Integrated power-down mode for power savings
ESD protection on all pins
Product Advantages
Highly integrated solution reduces component count and board space
Ease of design with built-in termination and protection
Flexible interface options support a variety of telecommunications standards
Low power consumption for energy-efficient operation
Key Reasons to Choose This Product
Comprehensive line interface solution in a single chip
Robust design with ESD protection and on-chip termination
Scalable performance to meet diverse telecommunications requirements
Cost-effective and power-efficient alternative to discrete solutions
Quality and Safety Features
Manufactured in a ISO/TS16949 certified facility
Meets international safety and EMC standards
RoHS and WEEE compliant for environmental responsibility
Compatibility
The DS21455 is compatible with a wide range of telecommunications and data communications systems, including:
ISDN
Leased line modems
Channel banks
DSL modems
PBX systems
Application Areas
Telecommunications equipment
Data communications infrastructure
Industrial and commercial applications requiring line interface functionality
Product Lifecycle
The DS21455 is an obsolete product, meaning it is no longer in active production. However, there are several equivalent and alternative models available from Analog Devices that offer similar functionality and performance. Customers are advised to contact our sales team or visit our website for more information on suitable replacement options.