ICL3222CB

Overview

The ICL3222CB is a dual-driver, dual-receiver RS-232 transceiver manufactured by Renesas Electronics Corporation. It operates on a single power supply ranging from +3V to +5.5V and includes an integrated charge pump requiring only four external 0.1µF capacitors. The device supports data rates up to 250kbps and features 15kV ESD protection per the human body model. It is designed for full-duplex communication in applications such as PDAs, laptops, and portable equipment where low standby power consumption is critical.

Feature Summary

• Integrated charge pump reduces external component count
• Low standby power consumption with automatic shutdown
• High noise immunity via receiver hysteresis
• Robust electrostatic discharge protection

Applications

• Personal Digital Assistants (PDAs)
• Laptop computers
• Portable handheld devices
• Modems and printers

Procurement Notes

Verify the specific suffix 'CB' against official Renesas documentation to confirm package type and temperature range. Ensure compatibility with system voltage requirements of 3V to 5.5V. Confirm RoHS compliance status through current datasheets before procurement.

Selection Notes

Select this component when a dual-channel RS-232 interface is required within a 3V to 5.5V supply range. It is suitable for space-constrained designs due to minimal external capacitor requirements. Consider alternatives if higher data rates or triple-driver configurations are necessary.

Part Context

This part belongs to the ICL3222 series of RS-232 interface ICs. It serves as a low-power alternative to legacy drivers, offering pin compatibility with certain competitor devices while providing enhanced power management features for battery-operated systems.

Replacement Considerations

Publicly confirmed substitute part numbers for the ICL3222CB are not available in the provided reference material. Verify cross-reference availability directly with Renesas or authorized distributors.