ISL81487 (4)
The ISL81487 series is available from Renesas Electronics Corporation Corporation at Xecor. Designed for RS-485/RS-422 communication, the ISL81487 offers ±15kV ESD protection, high data rates up to 5Mbps, and low power consumption. Available in multiple package options, such as 8-SOIC, it is ideal for industrial automation, remote meter reading, and process control systems. Whether used in multidrop networks or multipoint applications, this series ensures reliable performance, scalability, and efficiency for demanding communication needs. Xecor is an authorized distributor for Renesas Electronics Corporation Corporation. Please view our extensive selection of the ISL81487 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| ISL81487EIPZ | 8-Pin PDIP Tube ISL81487EIPZ Single Transmitter/Receiver RS-422/RS-485 | PDIP-8 | 9,926 | |
| ISL81487IBZ | Compact transceiver design for space-constrained system | SOIC-8 | 8,855 | |
| ISL81487IBZ-T | ISL81487IBZ-T is a versatile interface IC for RS-422/RS-485 applications, with 8 pins and 5V RS-485 support | 8-SOIC | 8,167 | |
| ISL81487EIBZ-T | This product is a transceiver with a data rate of 5Mbps and is compatible with both RS-485 and RS-422 communication standards | 8-SOIC | 8,684 |
Key Featrues
High ESD Protection: The ISL8487E, ISL81487L, and ISL81487E transceivers offer ±15kV ESD protection on RS-485 I/O pins, ensuring robust performance in harsh environments. This feature minimizes the risk of damage from electrostatic discharges, making the devices suitable for industrial applications like process automation and remote meter reading systems.
Fractional Unit Load: With a 1/8 unit load, these transceivers allow up to 256 devices on a single RS-485 bus. This capability significantly reduces the need for repeaters in large-scale networks, simplifying system design and lowering costs in applications such as utility meter reading systems.
Wide Supply Voltage Tolerance: These devices operate reliably with a 10% tolerance supply voltage (4.5V to 5.5V), providing flexibility in power supply design. This feature ensures stable performance even in systems with varying or less precise power sources.
Slew Rate Control for EMI Reduction: The ISL8487E and ISL81487L feature slew rate-limited drivers, which reduce electromagnetic interference (EMI) and minimize signal reflections. This enables error-free data transmission at rates up to 250kbps, making them ideal for multidrop and multipoint applications.
High-Speed Data Transmission: The ISL81487E supports data rates up to 5Mbps, making it suitable for high-speed communication needs. This feature is particularly beneficial in applications requiring rapid data transfer, such as industrial automation and high-performance control systems.
Fractional Unit Load: With a 1/8 unit load, these transceivers allow up to 256 devices on a single RS-485 bus. This capability significantly reduces the need for repeaters in large-scale networks, simplifying system design and lowering costs in applications such as utility meter reading systems.
Wide Supply Voltage Tolerance: These devices operate reliably with a 10% tolerance supply voltage (4.5V to 5.5V), providing flexibility in power supply design. This feature ensures stable performance even in systems with varying or less precise power sources.
Slew Rate Control for EMI Reduction: The ISL8487E and ISL81487L feature slew rate-limited drivers, which reduce electromagnetic interference (EMI) and minimize signal reflections. This enables error-free data transmission at rates up to 250kbps, making them ideal for multidrop and multipoint applications.
High-Speed Data Transmission: The ISL81487E supports data rates up to 5Mbps, making it suitable for high-speed communication needs. This feature is particularly beneficial in applications requiring rapid data transfer, such as industrial automation and high-performance control systems.
Applications
Industrial Automation Networks: The ISL81487E is perfect for industrial automation systems, where it can be used to connect multiple sensors and actuators over long distances. Its ±15kV ESD protection and ability to support up to 256 devices on the bus make it ideal for large-scale networks in factories or process control systems, ensuring reliable communication even in harsh environments.
Remote Utility Meter Reading: The ISL8487E is well-suited for remote utility meter reading systems, where it can be used to network individual meters (e.g., in apartment complexes) to a central concentrator. Its fractional unit load capability allows for high node counts, minimizing the need for repeaters and enabling efficient data collection from multiple meters over a single RS-485 network.
Building Automation Systems: The ISL81487L is ideal for building automation applications, such as HVAC control, lighting systems, and security networks. Its slew rate-limited drivers reduce EMI and minimize reflections, ensuring error-free data transmission in multidrop and multipoint configurations, even in environments with improperly terminated transmission lines.
Telecommunications Infrastructure: The ISL81487E is suitable for telecommunications systems, where it can be used to interface with high-speed data communication equipment. Its 5Mbps data rate capability and robust ESD protection make it a reliable choice for transmitting data over long distances in telecom networks, ensuring high-speed and secure communication.
These applications leverage the device's key features, such as ESD protection, fractional unit load capability, and high data rate support, to address specific needs in industrial, utility, building, and telecom environments.
Remote Utility Meter Reading: The ISL8487E is well-suited for remote utility meter reading systems, where it can be used to network individual meters (e.g., in apartment complexes) to a central concentrator. Its fractional unit load capability allows for high node counts, minimizing the need for repeaters and enabling efficient data collection from multiple meters over a single RS-485 network.
Building Automation Systems: The ISL81487L is ideal for building automation applications, such as HVAC control, lighting systems, and security networks. Its slew rate-limited drivers reduce EMI and minimize reflections, ensuring error-free data transmission in multidrop and multipoint configurations, even in environments with improperly terminated transmission lines.
Telecommunications Infrastructure: The ISL81487E is suitable for telecommunications systems, where it can be used to interface with high-speed data communication equipment. Its 5Mbps data rate capability and robust ESD protection make it a reliable choice for transmitting data over long distances in telecom networks, ensuring high-speed and secure communication.
These applications leverage the device's key features, such as ESD protection, fractional unit load capability, and high data rate support, to address specific needs in industrial, utility, building, and telecom environments.
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