ISL84781IR-T

Product Overview

Category: Integrated Circuits (ICs)

Use: The ISL84781IR-T is a high-performance analog switch designed for use in various electronic applications. It provides a versatile solution for signal routing and switching needs.

Characteristics: - Low ON-resistance - Wide voltage range - High bandwidth - Low power consumption - ESD protection

Package: The ISL84781IR-T comes in a compact 16-pin QFN package, which ensures easy integration into circuit boards and space-saving designs.

Essence: This IC serves as a reliable and efficient analog switch, enabling seamless signal routing and switching capabilities in electronic systems.

Packaging/Quantity: The ISL84781IR-T is typically available in reels of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• ON-Resistance (R_ON): 1.5Ω (typical)
• Bandwidth: 200MHz (typical)
• Leakage Current (I_LEAK): 1nA (maximum)
• ESD Protection: ±8kV (Human Body Model)

Pin Configuration

The ISL84781IR-T features a 16-pin QFN package with the following pin configuration:

Pin 1: NC Pin 2: IN1 Pin 3: IN2 Pin 4: GND Pin 5: COM1 Pin 6: NO1 Pin 7: V+ Pin 8: NO2 Pin 9: COM2 Pin 10: GND Pin 11: IN3 Pin 12: IN4 Pin 13: NC Pin 14: NO3 Pin 15: COM3 Pin 16: V+

Functional Features

• Low ON-resistance ensures minimal signal distortion and loss during switching.
• Wide voltage range allows compatibility with various power supply levels.
• High bandwidth enables the transmission of high-frequency signals without significant degradation.
• Low power consumption contributes to energy-efficient designs.
• ESD protection safeguards the IC from electrostatic discharge, enhancing its durability.

Advantages and Disadvantages

Advantages: - Reliable and efficient analog switch - Versatile solution for signal routing and switching needs - Compact package for easy integration - Wide voltage range and high bandwidth - Low power consumption and ESD protection

Disadvantages: - Limited number of channels (4 channels in this model) - May require additional components for specific applications

Working Principles

The ISL84781IR-T operates based on the principle of a solid-state analog switch. It utilizes MOSFET technology to control the flow of signals between different input and output channels. When the appropriate control signals are applied, the switch changes its internal configuration, allowing the desired signal path to be established.

Detailed Application Field Plans

The ISL84781IR-T finds applications in various fields, including:

1. Audio Systems: Enables audio signal routing and switching in amplifiers, mixers, and audio interfaces.
2. Communication Systems: Facilitates signal routing in telecommunication equipment, such as routers and switches.
3. Test and Measurement Instruments: Provides flexible signal routing capabilities in oscilloscopes, function generators, and data acquisition systems.
4. Industrial Automation: Allows for signal switching in control panels, PLCs, and industrial sensors.
5. Medical Devices: Supports signal routing in medical imaging equipment, patient monitoring systems, and diagnostic devices.

Detailed and Complete Alternative Models

1. ISL84781IRZ-T: Similar to ISL84781IR-T, but available in a different package (SOIC-16).
2. ISL84781IRZ-T7A: Similar to ISL84781IRZ-T, but supplied in tape and reel packaging.
3. ISL84781IRZ-TK: Similar to ISL84781IRZ-T, but offered in a bulk pack.

These alternative models provide similar functionality and can be considered as substitutes for the ISL84781IR-T based on specific application requirements.

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