LTC1688IS - Linear Technology

Manufacturer Part Number

LTC1688IS

Manufacturer

Linear Technology

Introduction

The LTC1688IS is a high-speed, RS-422/RS-485 quad bus transceiver integrated circuit (IC) that operates from a single 3V or 5V power supply.

Product Features and Performance

Four independent differential line driver/receiver channels

Supports both RS-422 and RS-485 protocols

High-speed data rates up to 100Mbps

Independent driver and receiver operation

Short-circuit and thermal protection

Slew-rate limited drivers

Continuous time common-mode voltage feedback for improved noise immunity

Fail-safe receiver biasing

Product Advantages

High-speed operation up to 100Mbps

Wide operating temperature range of -40°C to 85°C

Integrated short-circuit and thermal protection

Improved noise immunity with common-mode voltage feedback

Ease of use with independent driver and receiver operation

Key Technical Parameters

Power Supply Voltage: 3V or 5V

Number of Drivers/Receivers: 4/0

Data Rate: Up to 100Mbps

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Short-circuit and thermal protection

Slew-rate limited drivers for improved signal quality

Continuous time common-mode voltage feedback for enhanced noise immunity

Compatibility

The LTC1688IS is compatible with RS-422 and RS-485 communication protocols.

Application Areas

Industrial automation and control systems

Instrumentation and measurement equipment

Telecommunications equipment

Networking and data communications

Product Lifecycle

The LTC1688IS is an active product and is not nearing discontinuation. Replacement or upgrade options are available from Linear Technology.

Key Reasons to Choose This Product

High-speed operation up to 100Mbps

Wide operating temperature range

Integrated protection features for reliability

Improved noise immunity

Ease of use with independent driver and receiver operation

Compatibility with common industrial communication protocols