ISL3172EIUZ-T

Drivers, Receivers, Transceivers Overview

The ISL3172EIUZ-T is a half-duplex RS-485/RS-422 transceiver manufactured by Renesas Electronics. It operates on a single 3.3V supply and supports data rates up to 250 kb/s. The device features ±15kV IEC61000 ESD protection, full fail-safe receivers, and hot-plug capability. It presents a true 1/8 unit load, allowing up to 256 devices on the bus. Operating temperature ranges from -40°C to +85°C. Quiescent current is 800µA maximum. It is housed in an MSOP-8 package.

Drivers, Receivers, Transceivers Feature Summary

• IEC61000 ESD protection on RS-485 I/O pins with ±15kV Class 3 level
• Full fail-safe receiver design for open, short, or floating inputs
• Hot-plug circuitry maintains high-impedance state during power-up
• True 1/8 unit load enables high node count networks without repeaters

Drivers, Receivers, Transceivers Applications

• Remote utility meter reading systems
• High node count field bus networks
• Security camera networks
• Building environmental control systems

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'UIZ' corresponds to the MSOP-8 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Ensure the component meets the required operating temperature range of -40°C to +85°C for the intended application environment. Cross-reference the datasheet revision to confirm pinout compatibility.

Drivers, Receivers, Transceivers Selection Notes

Select this model for applications requiring low power consumption and robust ESD protection in noisy environments. The half-duplex configuration suits bidirectional communication needs. Verify that the 250 kb/s data rate aligns with system requirements. Consider the MSOP-8 package size constraints against available PCB real estate.

Drivers, Receivers, Transceivers Part Context

This component belongs to the ISL317xE series of transceivers designed for balanced communication standards. The series includes both slew-rate limited and high-speed variants. The ISL3172EIBZ is the SOIC-8 equivalent package version within the same functional family.

Drivers, Receivers, Transceivers Replacement Considerations

ISL3172EIBZ-T (SOIC-8 package)

Drivers, Receivers, Transceivers FAQ

What is the maximum number of devices supported on the bus?

Up to 256 transceivers can be connected due to the true 1/8 unit load characteristic.

How does the device handle hot-plugging?

Tx and Rx outputs remain in a high-impedance state while the power supply stabilizes.

What ESD protection levels are provided?

It offers ±15kV IEC61000 ESD protection on RS-485 I/O pins and >7kV HBM on other pins.