ISL81487LIBZ-T
Product Overview
Category: Integrated Circuit (IC)
Use: ISL81487LIBZ-T is a high-speed, low-power RS-485/RS-422 transceiver. It is designed to provide robust communication in industrial applications.
Characteristics: - High-speed data transmission - Low power consumption - Robust communication in noisy environments - Wide operating voltage range - ESD protection
Package: The ISL81487LIBZ-T is available in a small outline package (SOIC) with 14 pins.
Essence: This IC serves as a reliable interface between microcontrollers and industrial communication networks, ensuring secure and efficient data transfer.
Packaging/Quantity: The ISL81487LIBZ-T is typically sold in reels containing 250 units.
Specifications
- Supply Voltage Range: 3V to 5.5V
- Data Rate: Up to 20 Mbps
- Operating Temperature Range: -40°C to +85°C
- Receiver Input Sensitivity: ±200mV
- Transmitter Output Voltage: ±1.5V
Pin Configuration
The ISL81487LIBZ-T has the following pin configuration:
Pin 1: DE (Driver Enable)
Pin 2: A (Non-Inverting Driver Output / Receiver Input)
Pin 3: B (Inverting Driver Output / Receiver Input)
Pin 4: GND (Ground)
Pin 5: VCC (Power Supply)
Pin 6: RE (Receiver Enable)
Pin 7: Y (Receiver Output)
Pin 8: Z (Receiver Output)
Pin 9: RO (Receiver Output)
Pin 10: DI (Driver Input)
Pin 11: GND (Ground)
Pin 12: GND (Ground)
Pin 13: GND (Ground)
Pin 14: VCC (Power Supply)
Functional Features
- Robust RS-485/RS-422 communication
- Half-duplex operation
- Enhanced ESD protection
- Low power consumption in standby mode
- Thermal shutdown protection
Advantages and Disadvantages
Advantages: - High-speed data transmission - Wide operating voltage range - Reliable communication in noisy environments - Low power consumption - Compact package size
Disadvantages: - Limited to half-duplex operation - Requires external components for complete functionality
Working Principles
The ISL81487LIBZ-T operates based on the RS-485/RS-422 standard. It uses differential signaling to transmit and receive data, allowing for noise immunity and long-distance communication. The driver section converts logic-level signals into balanced differential voltages, while the receiver section converts the received differential signals back into logic-level signals.
Detailed Application Field Plans
The ISL81487LIBZ-T is widely used in various industrial applications, including: - Factory automation systems - Process control equipment - Building management systems - Industrial robotics - HVAC systems - Power distribution networks
Alternative Models
Other alternative models that can be considered as replacements for the ISL81487LIBZ-T include: - MAX485 - SN75176 - LTC2850 - ADM2483 - SP3485
These alternative models offer similar functionality and can be selected based on specific application requirements.
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10个与ISL81487LIBZ-T在技术解决方案中的应用相关的常见问题及解答
Sure! Here are 10 common questions and answers related to the application of ISL81487LIBZ-T in technical solutions:
Q: What is ISL81487LIBZ-T? A: ISL81487LIBZ-T is a high-speed RS-485/RS-422 transceiver IC designed for industrial applications.
Q: What is the operating voltage range of ISL81487LIBZ-T? A: The operating voltage range of ISL81487LIBZ-T is from 3V to 5.5V.
Q: Can ISL81487LIBZ-T be used for half-duplex communication? A: Yes, ISL81487LIBZ-T supports both half-duplex and full-duplex communication modes.
Q: What is the maximum data rate supported by ISL81487LIBZ-T? A: ISL81487LIBZ-T can support data rates up to 20Mbps.
Q: Is ISL81487LIBZ-T compatible with standard RS-485/RS-422 protocols? A: Yes, ISL81487LIBZ-T is fully compliant with the RS-485/RS-422 standards.
Q: Can ISL81487LIBZ-T operate in harsh industrial environments? A: Yes, ISL81487LIBZ-T is designed to operate reliably in harsh industrial environments with extended temperature ranges and robust ESD protection.
Q: Does ISL81487LIBZ-T require external components for operation? A: Yes, ISL81487LIBZ-T requires external termination resistors and capacitors for proper operation.
Q: Can ISL81487LIBZ-T be used in multi-drop bus systems? A: Yes, ISL81487LIBZ-T is suitable for multi-drop bus systems commonly used in industrial automation and control applications.
Q: What is the power supply current consumption of ISL81487LIBZ-T? A: The power supply current consumption of ISL81487LIBZ-T is typically around 1.5mA.
Q: Are evaluation boards or reference designs available for ISL81487LIBZ-T? A: Yes, Intersil provides evaluation boards and reference designs to help with the implementation of ISL81487LIBZ-T in various technical solutions.
Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.