OPA4820IDR

Product Overview

Category: Integrated Circuit (IC)

Use: The OPA4820IDR is a high-speed, low-power operational amplifier designed for use in various applications such as audio amplification, signal conditioning, and precision measurement.

Characteristics: - High speed: The OPA4820IDR offers a fast response time, making it suitable for applications requiring rapid signal processing. - Low power consumption: This operational amplifier is designed to operate efficiently with minimal power consumption, making it ideal for battery-powered devices. - Wide bandwidth: With a wide bandwidth range, the OPA4820IDR can handle a broad spectrum of frequencies, enabling accurate signal amplification across different applications. - Low noise: The amplifier has low input and output noise levels, ensuring clean and clear signal amplification without introducing unwanted distortions.

Package: The OPA4820IDR comes in a small outline package (SOIC) with eight pins, allowing for easy integration into circuit boards.

Essence: The OPA4820IDR is a versatile operational amplifier that combines high speed, low power consumption, and low noise characteristics, making it suitable for a wide range of applications.

Packaging/Quantity: The OPA4820IDR is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: ±2.5V to ±18V
• Input Offset Voltage: ±1mV (maximum)
• Input Bias Current: ±10nA (maximum)
• Gain Bandwidth Product: 50MHz
• Slew Rate: 25V/µs
• Output Current: ±30mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA4820IDR features the following pin configuration:

___________ V- |1 8| V+ IN-|2 7| OUT IN+|3 6| NC VCC|4 5| VEE ‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• High-speed amplification: The OPA4820IDR offers a fast response time, enabling accurate signal amplification in time-critical applications.
• Low power consumption: With its low power requirements, the amplifier is suitable for battery-powered devices or applications where power efficiency is crucial.
• Wide input voltage range: The operational amplifier can handle a wide range of input voltages, accommodating various signal levels.
• Rail-to-rail output swing: The OPA4820IDR provides an output voltage that can reach close to the supply rails, maximizing the dynamic range of the amplified signal.

Advantages and Disadvantages

Advantages: - High-speed performance - Low power consumption - Wide bandwidth - Low noise levels - Versatile application range

Disadvantages: - Limited output current capability - Requires external compensation for stability in certain configurations

Working Principles

The OPA4820IDR operates based on the principles of operational amplifiers. It amplifies the difference between the input voltages (IN+) and (IN-) with high gain and accuracy. The amplified output is then available at the OUT pin. The amplifier requires a dual power supply, typically symmetrical, to operate within the specified voltage range.

Detailed Application Field Plans

The OPA4820IDR finds applications in various fields, including: 1. Audio amplification: The amplifier can be used in audio systems to amplify weak audio signals from microphones or other sources. 2. Signal conditioning: It is suitable for conditioning signals in sensor interfaces, providing accurate amplification and filtering. 3. Precision measurement: The OPA4820IDR can be utilized in precision measurement equipment to amplify and process small electrical signals accurately.

Detailed and Complete Alternative Models

1. OPA827IDR: This operational amplifier offers similar high-speed performance and low noise characteristics as the OPA4820IDR but with a wider supply voltage range.
2. OPA1612ID: With low distortion and noise levels, this alternative model is suitable for high-fidelity audio applications.
3. LM7171AIM/NOPB: This operational amplifier provides high-speed performance and wide bandwidth, making it suitable for applications requiring rapid signal processing.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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