ICL3243CA-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL3243CA-T is a high-performance, 3.3V powered RS-232 transceiver IC. It is designed to facilitate bidirectional data transfer between a microcontroller or other logic-level devices and RS-232 compatible devices such as computers, modems, and printers.

Characteristics: - Voltage Level: 3.3V - Data Rate: Up to 250 kbps - Number of Channels: 1 - Package Type: SOIC (Small Outline Integrated Circuit) - Operating Temperature Range: -40°C to +85°C

Package: The ICL3243CA-T is available in a 16-pin SOIC package. This package offers compactness and ease of integration into various electronic systems.

Essence: The essence of the ICL3243CA-T lies in its ability to provide reliable and efficient communication between microcontrollers and RS-232 devices, ensuring seamless data exchange.

Packaging/Quantity: The ICL3243CA-T is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

The specifications of the ICL3243CA-T include:

• Supply Voltage Range: 3.0V to 5.5V
• Input High Threshold Voltage: 2.4V (min), 5.5V (max)
• Input Low Threshold Voltage: -0.3V (min), 0.8V (max)
• Output Voltage Swing: ±7.5V (min)
• Shutdown Supply Current: 1μA (typ)
• ESD Protection: ±15kV (Human Body Model)

Detailed Pin Configuration

The ICL3243CA-T features a 16-pin SOIC package with the following pin configuration:

1. VCC - Power Supply
2. C1- - External Capacitor Connection for Charge Pump 1
3. C1+ - External Capacitor Connection for Charge Pump 1
4. GND - Ground
5. R1IN - Receiver Input
6. R1OUT - Receiver Output
7. T1IN - Transmitter Input
8. T1OUT - Transmitter Output
9. SHDN - Shutdown Control Input
10. C2- - External Capacitor Connection for Charge Pump 2
11. C2+ - External Capacitor Connection for Charge Pump 2
12. V- - Negative Voltage Output
13. V+ - Positive Voltage Output
14. R2OUT - Receiver Output
15. R2IN - Receiver Input
16. NC - No Connection

Functional Features

The ICL3243CA-T offers the following functional features:

1. RS-232 Compatibility: It provides full compliance with RS-232 voltage levels, ensuring compatibility with various RS-232 devices.
2. Integrated Charge Pumps: The integrated charge pumps generate the required voltage levels for RS-232 communication, eliminating the need for external power supplies.
3. Low Power Consumption: The IC operates at low power, making it suitable for battery-powered applications.
4. Enhanced ESD Protection: The IC incorporates enhanced electrostatic discharge (ESD) protection, safeguarding against potential damage during handling and operation.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with different systems. - Integrated charge pumps simplify circuit design and reduce component count. - Low power consumption extends battery life in portable applications. - Enhanced ESD protection ensures robustness and reliability.

Disadvantages: - Limited to a single channel, restricting simultaneous communication with multiple RS-232 devices. - Data rate limited to 250 kbps, which may not be sufficient for certain high-speed applications.

Working Principles

The ICL3243CA-T operates based on the principles of RS-232 communication. It utilizes charge pumps to generate the required voltage levels for transmitting and receiving data over an RS-232 interface. The IC incorporates a receiver and a transmitter, allowing bidirectional data transfer between the microcontroller and RS-232 devices. The receiver converts RS-232 voltage levels into logic-level signals, while the transmitter performs the reverse conversion.

Detailed Application Field Plans

The ICL3243CA-T finds application in various fields where reliable RS-232 communication is required. Some of the detailed application field plans include:

1. Industrial Automation: The IC enables communication between industrial control systems and RS-232 compatible devices, facilitating data exchange and control in automation processes.
2. Telecommunications: It is used in telecommunication equipment such as modems and routers to establish communication with computers and other network devices.
3. Embedded Systems: The IC is widely employed in embedded systems