ISL3284EIHZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ISL3284EIHZ-T is a high-speed, quad-channel RS-485/RS-422 transceiver designed for industrial applications. It provides robust communication over long distances in noisy environments.

Characteristics: - High-speed data transmission - Robust noise immunity - Wide operating voltage range - Low power consumption - ESD protection

Package: The ISL3284EIHZ-T comes in a small 16-pin QSOP package, which is suitable for space-constrained applications.

Essence: This IC serves as a reliable interface between microcontrollers and industrial communication networks, enabling secure and efficient data transfer.

Packaging/Quantity: The ISL3284EIHZ-T is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 4
• Receiver Input Resistance: 12 kΩ
• Driver Output Resistance: 13 Ω

Pin Configuration

The ISL3284EIHZ-T has a total of 16 pins, each serving a specific function. Here is the detailed pin configuration:

1. DE - Driver Enable
2. RE - Receiver Enable
3. A - Channel A Differential Output
4. B - Channel B Differential Output
5. GND - Ground
6. B - Channel B Differential Input
7. A - Channel A Differential Input
8. VCC - Power Supply
9. Z - Channel Z Differential Output
10. Y - Channel Y Differential Output
11. GND - Ground
12. Y - Channel Y Differential Input
13. Z - Channel Z Differential Input
14. B - Channel B Receiver Output
15. A - Channel A Receiver Output
16. VCC - Power Supply

Functional Features

• Robust RS-485/RS-422 communication
• Half-duplex operation
• Enhanced ESD protection
• Low quiescent current
• Thermal shutdown protection
• Short-circuit and overvoltage protection

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Wide operating voltage range allows compatibility with various systems - Excellent noise immunity ensures reliable communication in industrial environments - Low power consumption for energy-efficient applications - Compact package suitable for space-constrained designs

Disadvantages: - Limited to half-duplex operation - Requires external components for complete functionality

Working Principles

The ISL3284EIHZ-T operates based on the RS-485/RS-422 standard, which uses differential signaling to transmit data over long distances. It employs a balanced line driver and receiver to provide robust communication in noisy environments. The driver converts logic-level signals into differential voltages, while the receiver detects and amplifies the differential signals, ensuring accurate data reception.

Detailed Application Field Plans

The ISL3284EIHZ-T is widely used in various industrial applications, including: - Factory automation systems - Process control equipment - Building automation systems - Industrial robotics - Motor control systems - HVAC (Heating, Ventilation, and Air Conditioning) systems

Its robust communication capabilities make it ideal for applications requiring reliable data transfer over long distances in harsh environments.

Detailed and Complete Alternative Models

• MAX3485ESA+: Similar quad-channel RS-485/RS-422 transceiver from Maxim Integrated.
• SN65HVD485E: Quad RS-485 transceiver from Texas Instruments.
• LTC2850IMS#PBF: Quad RS-485 transceiver from Analog Devices.
• ADM3485EARZ: Quad RS-485/RS-422 transceiver from Analog Devices.

These alternative models offer similar functionality and can be considered as substitutes for the ISL3284EIHZ-T based on specific application requirements.

In conclusion, the ISL3284EIHZ-T is a high-speed, quad-channel RS-485/RS-422 transceiver designed for industrial applications. Its robust communication capabilities, wide operating voltage range, and compact package make it an excellent choice for various industrial systems. However, it is limited to half-duplex operation and requires external components for complete functionality.