ICL3222EIV

Overview

The ICL3222EIV is a dual driver, dual receiver RS-232 transceiver manufactured by Intersil. It operates within a supply voltage range of 3 V to 5.5 V and supports data rates up to 250 kb/s. The device features full-duplex communication and includes an integrated charge pump requiring only external 0.1 µF capacitors. It provides ±15 kV electrostatic discharge (ESD) protection on both the transmitter outputs and receiver inputs. The component is housed in a TSSOP-20 package and is designed for industrial temperature ranges from -40 °C to +85 °C.

Feature Summary

• Integrated charge pump with automatic shutdown capability reduces standby power consumption significantly.
• Robust ESD protection rated at ±15 kV ensures signal integrity in high-interference environments.
• Single-ended receiver architecture simplifies interface design for standard RS-232 applications.

Applications

• Portable computing devices such as laptops and notebooks
• Personal digital assistants (PDAs) and handheld computers
• Industrial control systems requiring reliable serial communication

Procurement Notes

Verify the specific suffix against official documentation to confirm the exact package type and temperature grade. Ensure that the ordering information matches the required RoHS compliance status and moisture sensitivity level before finalizing procurement orders.

Selection Notes

Select this component when a low-power RS-232 solution is required for 3V or 5V systems. It is suitable for designs needing full-duplex transmission with minimal external capacitance requirements. Consider the TSSOP-20 footprint constraints during PCB layout planning.

Part Context

This part belongs to the ICL3222 series of RS-232 transceivers. It shares functional similarities with other members of the family but is distinguished by its specific driver/receiver count and package configuration. The series targets portable electronics where power efficiency and space savings are critical design parameters.

Replacement Considerations

Check for compatible substitutes such as the MAX3222 or SP3222. Verify pin compatibility and electrical specifications before substitution to ensure system functionality remains unchanged.

FAQ

What is the maximum data rate supported by the ICL3222EIV?

The device supports data rates up to 250 kb/s under worst-case load conditions.

Does the ICL3222EIV include automatic shutdown features?

Yes, the device incorporates an automatic shutdown feature that turns off the charge pump and drivers when no valid signal is present, reducing power consumption.