OPA842IDBVR - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The OPA842IDBVR is a high-speed operational amplifier designed for use in various applications that require precision amplification and signal conditioning. It is commonly used in audio systems, medical equipment, test and measurement instruments, and communication devices.

Characteristics: - High bandwidth and slew rate for accurate signal reproduction - Low input offset voltage and low noise for precise amplification - Wide supply voltage range for flexibility in different power environments - Rail-to-rail input and output capability for maximum dynamic range - Small package size (DBVR) for space-constrained designs

Package: The OPA842IDBVR is available in a small SOT-23 package, which provides excellent thermal performance and ease of integration into compact circuit designs.

Essence: The essence of the OPA842IDBVR lies in its ability to provide high-speed and accurate amplification, making it an essential component in applications where signal fidelity is crucial.

Packaging/Quantity: The OPA842IDBVR is typically sold in reels or tubes containing a specified quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

• Supply Voltage Range: ±2.5V to ±18V
• Bandwidth: 200 MHz
• Slew Rate: 900 V/μs
• Input Offset Voltage: 1 mV (max)
• Input Bias Current: 3 nA (typ)
• Quiescent Current: 10 mA (typ)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA842IDBVR features a standard 5-pin SOT-23 package with the following pin configuration:

____ OUT | | IN- | | IN+ | | V- | | V+ |____|

Functional Features

1. High-Speed Amplification: The OPA842IDBVR offers a wide bandwidth and high slew rate, enabling accurate amplification of fast-changing signals.
2. Low Noise and Offset Voltage: With low input offset voltage and noise characteristics, the OPA842IDBVR ensures precise signal conditioning without introducing unwanted distortions.
3. Rail-to-Rail Operation: The amplifier supports rail-to-rail input and output voltage swings, maximizing the dynamic range and allowing for efficient utilization of the available supply voltage.
4. Wide Supply Voltage Range: The OPA842IDBVR can operate from ±2.5V to ±18V power supplies, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - High-speed amplification for accurate signal reproduction - Low noise and offset voltage for precise amplification - Rail-to-rail operation for maximum dynamic range - Wide supply voltage range for flexibility

Disadvantages: - Limited availability in alternative package options - Higher cost compared to some other operational amplifiers with similar specifications

Working Principles

The OPA842IDBVR is based on a differential amplifier configuration that amplifies the voltage difference between its two input terminals. It utilizes advanced semiconductor technology to achieve high-speed amplification while maintaining low noise and offset voltage levels. The amplifier's internal circuitry ensures stability and reliable performance across a wide range of operating conditions.

Detailed Application Field Plans

The OPA842IDBVR finds application in various fields, including:

1. Audio Systems: Provides accurate amplification and signal conditioning in audio amplifiers, mixers, and equalizers.
2. Medical Equipment: Used in medical imaging devices, patient monitoring systems, and precision instrumentation where high-speed and precise amplification is required.
3. Test and Measurement Instruments: Enables precise signal conditioning in oscilloscopes, spectrum analyzers, and data acquisition systems.
4. Communication Devices: Used in high-speed data transmission systems, wireless communication equipment, and base station receivers.

Detailed Alternative Models

While the OPA842IDBVR offers excellent performance, there are alternative models available with similar characteristics. Some notable alternatives include:

1. AD8065: High-speed operational amplifier with low noise and rail-to-rail operation.
2. LT6200: Precision amplifier with wide bandwidth and low distortion.
3. MAX44267: Low-power operational amplifier with rail-to-rail input/output capability.

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

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