The LTC1522CS8#TRPBF is a high-performance RS232 transceiver from Linear Technology, designed to meet the requirements of battery-powered systems by providing efficient serial communication while minimizing power consumption. This device is ideal for portable applications due to its low operating current and automatic power-down feature that reduces power usage when not in use.

Key Features

• Low Power Operation: The LTC1522CS8#TRPBF is optimized for low power consumption, drawing only 150µA of supply current under full load, making it perfect for battery-operated devices.
• Integrated Charge Pump: Equipped with an onboard charge pump circuit, this transceiver generates RS232 voltage levels from a single 5V supply, eliminating the need for multiple power sources.
• Automatic Power-Down: The device enters a low power shutdown mode when the RS232 cable is disconnected or the connected peripherals are turned off, reducing the supply current to 1µA.
• Enhanced ESD Protection: It features electrostatic discharge (ESD) protection for its transceiver inputs/outputs, safeguarding the device from static damage and enhancing its reliability in harsh environments.
• Flexible Packaging: Available in an 8-lead SOIC package, the LTC1522CS8#TRPBF is compact and suitable for space-constrained applications.

Applications

The LTC1522CS8#TRPBF is versatile and can be used in a variety of applications where efficient power usage and reliable serial communication are essential. It is commonly found in:

• Portable and battery-powered devices
• Notebook and palmtop computers
• Handheld equipment
• Data loggers
• GPS receivers

Technical Specifications

With a temperature range of 0°C to 70°C, the LTC1522CS8#TRPBF operates reliably in most standard environments. The device is designed to interface with 3.3V to 5V logic, providing versatility in system design and ensuring compatibility with a wide range of microcontrollers and digital systems.

In conclusion, the LTC1522CS8#TRPBF from Linear Technology is a robust and energy-efficient solution for RS232 communication in portable devices. Its integrated features and low power consumption make it a smart choice for designers looking to optimize their system's power management.