ICL3243CBZ

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL3243CBZ is a high-performance, 3.3V powered RS-232 transceiver IC. It is designed to facilitate bidirectional data communication between TTL/CMOS logic levels and RS-232 interface standards.

Characteristics: - Voltage Level Translation: The ICL3243CBZ provides voltage level translation from 3.3V logic levels to RS-232 compatible levels. - ESD Protection: This IC offers enhanced Electrostatic Discharge (ESD) protection, ensuring robustness against transient voltage spikes. - Low Power Consumption: The ICL3243CBZ is designed to operate with low power consumption, making it suitable for battery-powered applications. - Wide Temperature Range: It can operate reliably over a wide temperature range, typically from -40°C to +85°C.

Package: The ICL3243CBZ is available in a compact 20-pin SSOP (Shrink Small Outline Package) format.

Essence: The essence of the ICL3243CBZ lies in its ability to provide seamless and reliable communication between devices operating at different voltage levels, enabling compatibility between TTL/CMOS logic and RS-232 interfaces.

Packaging/Quantity: The ICL3243CBZ is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 1Mbps
• Number of Channels: 3
• Operating Temperature Range: -40°C to +85°C
• Input/Output Logic Levels: TTL/CMOS
• Interface Standard: RS-232

Detailed Pin Configuration

The ICL3243CBZ features a 20-pin SSOP package with the following pin configuration:

1. VCC
2. GND
3. T1OUT
4. R1IN
5. R1OUT
6. T1IN
7. R2IN
8. R2OUT
9. T2IN
10. T2OUT
11. R3OUT
12. T3IN
13. T3OUT
14. DE
15. /RE
16. C1OUT
17. C2OUT
18. C3OUT
19. C4OUT
20. VEE

Functional Features

• Logic Level Translation: The ICL3243CBZ translates TTL/CMOS logic levels to RS-232 compatible levels, allowing seamless communication between devices with different voltage requirements.
• Enhanced ESD Protection: This IC provides robust protection against Electrostatic Discharge (ESD) events, ensuring reliable operation in harsh environments.
• Auto Power Shutdown: The ICL3243CBZ features an auto power shutdown mode, reducing power consumption when the device is not actively transmitting or receiving data.
• Receiver Hysteresis: The receiver inputs of this IC incorporate hysteresis, improving noise immunity and signal integrity.

Advantages and Disadvantages

Advantages: - Wide operating temperature range enables usage in various environmental conditions. - Low power consumption makes it suitable for battery-powered applications. - Enhanced ESD protection ensures reliability in rugged environments. - Logic level translation facilitates compatibility between different voltage standards.

Disadvantages: - Limited number of channels (3) may restrict its use in applications requiring more simultaneous communication lines. - Availability in only SSOP package may limit compatibility with certain PCB layouts.

Working Principles

The ICL3243CBZ operates by converting TTL/CMOS logic levels to RS-232 voltage levels using internal charge pumps and voltage level shifters. It incorporates a combination of transmitters, receivers, and line drivers to enable bidirectional data transfer between devices operating at different voltage standards. The device also incorporates ESD protection circuitry to safeguard against transient voltage spikes.

Detailed Application Field Plans

The ICL3243CBZ finds applications in various fields, including but not limited to: - Industrial Automation: It can be used for communication between microcontrollers and industrial equipment with RS-232 interfaces. - Consumer Electronics: Enables connectivity between microcontrollers and RS-232 compatible devices such as modems, printers, and barcode scanners. - Medical Devices: Facilitates data exchange between medical instruments and control systems. - Automotive Systems: Allows communication between automotive control units and diagnostic tools.

Detailed and Complete Alternative Models

1. MAX3232CSE: Similar to the ICL3243CBZ, this IC provides voltage level translation between TTL/CMOS logic levels and RS-232 interface standards. It is available in a 16-pin SOIC package.
2. SP3232EEN-L/TR: This IC offers similar functionality to the ICL3243CBZ and comes in a 16-pin SSOP