ISO122U/1KG4

Product Overview

Category: Integrated Circuit (IC)

Use: The ISO122U/1KG4 is a precision isolation amplifier designed for industrial applications. It provides accurate and reliable signal transmission between two isolated systems, while maintaining high levels of safety and noise immunity.

Characteristics: - High accuracy and linearity - Wide input voltage range - Low power consumption - High common-mode rejection ratio (CMRR) - Isolation voltage up to 2500 Vrms - Compact package size

Package: The ISO122U/1KG4 comes in a small outline integrated circuit (SOIC) package, which ensures easy installation and compatibility with standard PCB layouts.

Essence: This isolation amplifier is built using advanced technology and high-quality components to ensure precise signal amplification and isolation in demanding industrial environments.

Packaging/Quantity: The ISO122U/1KG4 is typically available in reels or tubes, containing 1000 units per package.

Specifications

• Supply Voltage: ±5V to ±18V
• Input Offset Voltage: ±150 µV
• Gain Error: ±0.05%
• Bandwidth: 200 kHz
• Common-Mode Rejection Ratio (CMRR): 120 dB
• Isolation Voltage: 2500 Vrms

Detailed Pin Configuration

The ISO122U/1KG4 has the following pin configuration:

1. V+
2. V-
3. REF
4. IN+
5. IN-
6. OUT
7. NC
8. GND

Functional Features

• High Accuracy: The ISO122U/1KG4 offers exceptional accuracy and linearity, ensuring precise signal amplification and transmission.
• Wide Input Voltage Range: It can handle a wide range of input voltages, making it suitable for various industrial applications.
• Low Power Consumption: The IC is designed to consume minimal power, reducing energy costs and heat dissipation.
• High CMRR: With a high common-mode rejection ratio, the ISO122U/1KG4 effectively rejects common-mode noise, ensuring accurate signal transmission even in noisy environments.
• Isolation Voltage: The isolation voltage of 2500 Vrms provides reliable protection against electrical hazards and ensures safe operation.

Advantages and Disadvantages

Advantages: - High accuracy and linearity - Wide input voltage range - Low power consumption - Excellent noise immunity - Compact package size

Disadvantages: - Limited availability of alternative models - Relatively higher cost compared to non-isolated amplifiers

Working Principles

The ISO122U/1KG4 utilizes precision analog circuitry and isolation techniques to amplify and transmit signals accurately between isolated systems. It employs optical or magnetic isolation to provide galvanic isolation, preventing ground loops and minimizing interference.

Detailed Application Field Plans

The ISO122U/1KG4 finds extensive use in various industrial applications, including: - Industrial process control systems - Motor control and drives - Power monitoring and management - Data acquisition systems - Medical equipment - Test and measurement instruments

Alternative Models

While the ISO122U/1KG4 is a highly reliable and widely used isolation amplifier, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - AD202 by Analog Devices - HCPL-7800A by Broadcom - AMC1200 by Texas Instruments

These alternative models can be considered based on specific application requirements and availability.

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