MAX4471ESA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX4471ESA+ is a high-performance operational amplifier designed for precision applications. It offers low input offset voltage, low input bias current, and high open-loop gain, making it suitable for a wide range of analog signal conditioning and amplification tasks.

Characteristics: - Low input offset voltage: 0.5mV (maximum) - Low input bias current: 2nA (maximum) - High open-loop gain: 130dB (typical) - Rail-to-rail output swing - Wide supply voltage range: ±2.25V to ±18V - Low quiescent current: 500µA per amplifier (typical)

Package: The MAX4471ESA+ comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which provides ease of use and compatibility with standard PCB design practices.

Essence: The essence of the MAX4471ESA+ lies in its ability to provide precise and reliable amplification of analog signals in various applications.

Packaging/Quantity: The MAX4471ESA+ is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 0.5mV (maximum)
• Input Bias Current: 2nA (maximum)
• Open-Loop Gain: 130dB (typical)
• Quiescent Current: 500µA per amplifier (typical)
• Output Swing: Rail-to-Rail

Pin Configuration

The MAX4471ESA+ features the following pin configuration:

```

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| | --| IN- OUT |-- --| IN+ V- |-- --| V+ V+ |-- --| GND NC |-- |___________| ```

Functional Features

The MAX4471ESA+ offers the following functional features:

1. Low input offset voltage and low input bias current ensure accurate signal amplification.
2. High open-loop gain allows for precise signal conditioning.
3. Rail-to-rail output swing enables maximum utilization of the supply voltage range.
4. Wide supply voltage range provides flexibility in various applications.
5. Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages: - Precise amplification of analog signals - Low input offset voltage and input bias current - High open-loop gain - Rail-to-rail output swing - Wide supply voltage range - Low quiescent current

Disadvantages: - None reported

Working Principles

The MAX4471ESA+ operates as a voltage amplifier, utilizing a differential input stage to amplify small analog signals with high precision. It employs a combination of internal circuitry and feedback mechanisms to achieve low input offset voltage, low input bias current, and high open-loop gain.

Detailed Application Field Plans

The MAX4471ESA+ finds applications in various fields, including but not limited to: - Precision instrumentation - Medical devices - Audio amplification - Sensor signal conditioning - Data acquisition systems - Industrial control systems

Alternative Models

For users seeking alternatives to the MAX4471ESA+, the following models can be considered: - AD8676 by Analog Devices - LT1677 by Linear Technology - OPA2188 by Texas Instruments - MCP601 by Microchip Technology

These alternative models offer similar performance characteristics and can be suitable replacements depending on specific application requirements.

In conclusion, the MAX4471ESA+ is a high-performance operational amplifier that provides precise amplification of analog signals. With its low input offset voltage, low input bias current, and high open-loop gain, it is well-suited for a wide range of applications in various fields.