RS-422/RS-485 Interface IC W/ANNEAL 10LD -40+85 5V RS-485 TRANSC

ISL83086EIUZ – 1/1 Full Duplex RS422/RS485 Transceiver IC – Renesas Electronics

Streamline industrial communication with the ISL83086EIUZ transceiver IC from Renesas Electronics. This robust interface solution delivers high-speed 10Mbps data transfer with enhanced noise immunity, ideal for mission-critical systems requiring reliable serial communication. PCX ensures genuine components with rapid shipping and dedicated technical support.

Key Features

• Protocol Support: RS422 & RS485 compatible
• Data Rate: 10Mbps high-speed operation
• Voltage Range: 4.5V–5.5V single supply
• Robust Design: 20mV receiver hysteresis for noise rejection
• Temperature Range: Industrial-grade -40°C to +85°C
• Configuration: 1 driver/1 receiver with full duplex capability

Technical Specifications

This surface-mount IC features a compact 10-MSOP package (3.00mm width) for space-constrained designs. The transceiver supports balanced transmission with ±15kV ESD protection on bus pins (HBM). Its integrated fail-safe circuitry ensures logic-high receiver output with open/shorted inputs. Operating at 5V nominal supply, it consumes 900μA (typ) during shutdown mode.

Typical Applications

• Industrial automation controllers
• Building management systems
• Motor drive communications
• HVAC control networks
• Medical monitoring equipment

About Renesas Electronics

Renesas Electronics Corporation is a global leader in advanced semiconductor solutions, renowned for innovation in embedded processing and analog/power technologies. With decades of industry expertise, Renesas delivers high-reliability components meeting stringent automotive and industrial standards.

The company’s commitment to quality is evidenced by ISO/TS 16949 certification and AEC-Q100 qualified products. Renesas maintains rigorous production controls and extended product lifecycles, making their ICs preferred choices for demanding applications worldwide.

About Interface Transceiver ICs

Interface transceivers like the ISL83086EIUZ enable reliable data exchange between devices in electrically noisy environments. They convert logic-level signals to differential bus voltages, providing superior noise immunity compared to single-ended communication. This makes them indispensable for industrial networks where signal integrity is critical.

RS485/RS422 transceivers support multi-drop configurations over extended cable runs (up to 1200 meters). Their balanced differential signaling minimizes EMI while allowing bidirectional communication. These ICs typically incorporate protective features like thermal shutdown and short-circuit protection to enhance system durability.

Packaging Options

Available in manufacturer tube packaging for automated assembly processes. Contact PCX for reel packaging alternatives or volume pricing.

Frequently Asked Questions

Q: What is the difference between RS422 and RS485 operation?
A: RS422 supports point-to-point communication with one driver and multiple receivers. RS485 allows multi-point networks with up to 32 transceivers on a single bus.

Q: Can this transceiver operate in half-duplex mode?
A: No, the ISL83086EIUZ is designed for full-duplex operation only. For half-duplex applications, consider the ISL83076E series.

Q: Is external termination required?
A: Yes, 120Ω termination resistors at bus ends are recommended to prevent signal reflections in RS485 networks.

Q: Does it support 3.3V logic interfaces?
A: While the bus supply is 4.5-5.5V, the logic I/O pins are 5V tolerant and compatible with 3.3V controllers.

Q: What ESD protection is provided?
A: The device offers ±15kV Human Body Model (HBM) protection on bus pins and ±8kV on other pins.

Q: How does receiver hysteresis improve performance?
A: The 20mV hysteresis creates a noise margin, preventing output oscillation from input signal noise near the threshold voltage.

Note: Product image is representational. Refer to datasheet for exact dimensions and pin configuration.
Download Full Datasheet

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