ISL3170EIBZ-T

Overview

The ISL3170EIBZ-T is a single RS-485/RS-422 transceiver manufactured by Renesas Electronics. It operates on a single 3.3V supply and supports data rates up to 20Mbps. The device features ±15kV IEC61000 ESD protection on the bus pins and >7kV HBM protection on other pins. It incorporates full fail-safe receiver circuitry, hot-plug capability, and true 1/8 unit load drivers allowing up to 256 nodes. Key electrical parameters include a quiescent current of 800µA maximum and shutdown current of 10nA. The common-mode input/output voltage range spans from -7V to +12V. It is housed in an 8-pin SOIC package with an operating temperature range of -40°C to +85°C.

Feature Summary

• IEC61000 ESD protection on RS-485 I/O pins
• Full fail-safe receiver design
• Hot plug functionality
• True 1/8 unit load

Applications

• Remote utility meter reading systems
• Industrial automation networks
• Building automation control systems

Procurement Notes

Verify the specific suffix 'T' indicates tape and reel packaging when ordering. Confirm the manufacturer designation as Renesas or Intersil depending on the production lot. Ensure the component matches the RoHS compliance requirements specified in the datasheet. Cross-reference the part number with official distributor catalogs to confirm availability and authenticity before finalizing procurement.

Selection Notes

Select this component for applications requiring high-speed communication up to 20Mbps with robust ESD protection. The low power consumption makes it suitable for battery-operated devices. Verify that the system requires a half-duplex configuration compatible with the RS-485 standard. Ensure the PCB layout accommodates the 8-pin SOIC package dimensions.

Part Context

This component belongs to the ISL317xE series of transceivers designed for balanced communication networks. It integrates features such as slew rate limiting to reduce EMI and thermal shutdown for driver overload protection. The series supports both RS-485 and RS-422 standards, providing flexibility for various industrial communication protocols.

Replacement Considerations

ISL3172EIBZ-T: Offers similar specifications but may differ in slew rate characteristics.

FAQ

What is the maximum data rate supported by the ISL3170EIBZ-T?

The device supports data rates up to 20Mbps.

Does the ISL3170EIBZ-T support hot plugging?

Yes, the Tx and Rx outputs remain in a high impedance state during power-up, enabling hot plug capability.

What is the ESD protection level on the bus pins?

The bus pins feature ±15kV IEC61000 ESD protection.