OPA843ID

Product Overview

Category: Integrated Circuit (IC)

Use: The OPA843ID is a high-speed operational amplifier designed for use in various applications requiring wide bandwidth and high slew rate. It is commonly used in audio amplification, signal conditioning, and data acquisition systems.

Characteristics: - Wide bandwidth: The OPA843ID offers a bandwidth of up to 1 GHz, allowing it to handle high-frequency signals accurately. - High slew rate: With a slew rate of 2500 V/µs, the OPA843ID can quickly respond to rapid changes in input signals. - Low distortion: This operational amplifier provides low harmonic distortion, ensuring accurate signal reproduction. - Low noise: The OPA843ID has a low noise figure, making it suitable for applications that require precise signal amplification.

Package: The OPA843ID comes in a small outline integrated circuit (SOIC) package, which provides ease of handling and compatibility with standard PCB layouts.

Essence: The OPA843ID is an essential component in electronic circuits that require high-speed and high-performance signal amplification.

Packaging/Quantity: The OPA843ID is typically available in reels or tubes, containing a quantity of 250 or 2000 units, respectively.

Specifications

• Supply voltage range: ±5V to ±15V
• Input offset voltage: ±2 mV
• Input bias current: ±10 nA
• Output voltage swing: ±13V
• Quiescent current: 8 mA
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The OPA843ID has a total of 8 pins, as follows:

1. V-
2. IN-
3. IN+
4. V+
5. NC (No Connection)
6. OUT
7. NC (No Connection)
8. V-

Functional Features

• High bandwidth: The OPA843ID offers a wide bandwidth, enabling it to handle high-frequency signals accurately.
• High slew rate: With its high slew rate, the OPA843ID can respond quickly to rapid changes in input signals.
• Low distortion and noise: This operational amplifier provides low harmonic distortion and noise, ensuring accurate signal reproduction.
• Rail-to-rail output swing: The OPA843ID can drive signals close to the supply voltage rails, maximizing dynamic range.

Advantages and Disadvantages

Advantages: - Wide bandwidth and high slew rate make it suitable for high-speed applications. - Low distortion and noise ensure accurate signal amplification. - Rail-to-rail output swing allows for maximum dynamic range.

Disadvantages: - Relatively high quiescent current compared to some other operational amplifiers. - Limited availability of alternative models with similar specifications.

Working Principles

The OPA843ID is based on a differential amplifier configuration, which amplifies the voltage difference between its two input terminals. It utilizes internal compensation techniques to achieve stability and maintain performance over a wide range of operating conditions.

Detailed Application Field Plans

The OPA843ID finds application in various fields, including: 1. Audio amplification systems 2. Signal conditioning circuits 3. Data acquisition systems 4. High-speed communication systems 5. Test and measurement equipment

Detailed and Complete Alternative Models

While the OPA843ID offers unique features and specifications, there are alternative models available that can be considered for similar applications. Some alternatives include: - OPA844ID - OPA845ID - AD8001ARZ - LT1228CN8

These alternative models provide similar functionality and performance characteristics, allowing designers to choose the most suitable option for their specific requirements.

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