ICL3238CAZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL3238CAZ-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 digital logic circuitry and devices operating with RS-232 interface standards.

Characteristics: - Voltage Level: 3.3V - Interface Standard: RS-232 - Package Type: Surface Mount - Package Size: 16-pin SOIC (Small Outline Integrated Circuit) - Essence: Transceiver IC for RS-232 communication

Packaging/Quantity: The ICL3238CAZ-T is typically available in tape and reel packaging, with 2500 units per reel.

Specifications

The key specifications of the ICL3238CAZ-T are as follows:

• Supply Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 1Mbps
• Number of Channels: 2 (Dual Channel)
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±15kV (Human Body Model)

Pin Configuration

The pin configuration of the ICL3238CAZ-T is as follows:

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| | --| VCC GND |-- Pin 1: Power Supply --| RIN TOUT|-- Pin 2: Receiver Input / Transmitter Output --| ROUT RIN |-- Pin 3: Receiver Output / Transmitter Input --| CTS RTS |-- Pin 4: Clear To Send / Request To Send --| DSR DTR |-- Pin 5: Data Set Ready / Data Terminal Ready --| DCD RI |-- Pin 6: Data Carrier Detect / Ring Indicator --| GND VCC |-- Pin 7: Ground --| TIN RIN |-- Pin 8: Transmitter Input / Receiver Input --| TOUT ROUT|-- Pin 9: Transmitter Output / Receiver Output |___________| ```

Functional Features

The ICL3238CAZ-T offers the following functional features:

• Integrated Charge Pump Circuitry for RS-232 Level Conversion
• Auto Power-Off and Wake-Up Functions for Power Saving
• Enhanced ESD Protection for Robust Communication
• Low Power Consumption in Standby Mode
• Supports Full Duplex Communication

Advantages and Disadvantages

Advantages: - Wide Supply Voltage Range for Compatibility with Various Systems - High Data Rate Capability for Fast Communication - Integrated Charge Pump Simplifies External Circuitry - Enhanced ESD Protection Ensures Reliability

Disadvantages: - Requires External Components for Proper Operation - Limited to RS-232 Interface Standard

Working Principles

The ICL3238CAZ-T operates by converting the logic level signals from a microcontroller or digital circuitry into RS-232 compatible voltage levels. It utilizes an integrated charge pump circuitry to generate the required higher voltage levels for RS-232 communication. The transceiver enables bidirectional data transfer between the microcontroller and RS-232 devices, ensuring reliable and efficient communication.

Detailed Application Field Plans

The ICL3238CAZ-T finds applications in various fields where RS-232 communication is required. Some of the common application areas include:

1. Industrial Automation: Used for connecting PLCs (Programmable Logic Controllers) to external devices such as sensors, actuators, and HMI (Human Machine Interface) panels.
2. Networking Equipment: Employed in routers, switches, and network interface cards for serial communication with other networking devices.
3. Point-of-Sale Systems: Integrated into cash registers, barcode scanners, and receipt printers to enable communication with the central processing unit.
4. Medical Devices: Utilized in medical equipment like patient monitors, ECG machines, and ultrasound systems for data transmission and control purposes.
5. Test and Measurement Instruments: Incorporated in oscilloscopes, data loggers, and spectrum analyzers to establish communication with a computer or other external devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ICL3238CAZ-T are:

1. MAX3232CSE+: RS-232 transceiver IC with 3.0V to 5.5V supply voltage range and 2500 units per reel packaging.
2. SP3232EEN-L/TR: Dual-channel RS-232 transceiver IC with 3.0V to 5.5V supply voltage range and 16-pin SOIC package.
3. ADM3202ARNZ-REEL7: Low-power RS-232 transceiver IC with 2.7V to 5.5V supply voltage range and