OPA2187ID - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The OPA2187ID is a high-speed, low-power operational amplifier designed for various applications in the field of electronics. It is commonly used in audio amplification, signal conditioning, and sensor interfacing.

Characteristics: - High speed: The OPA2187ID offers a fast response time, making it suitable for applications requiring quick signal processing. - Low power consumption: This operational amplifier operates efficiently with low power requirements, making it ideal for battery-powered devices. - Wide voltage range: It can operate within a wide supply voltage range, allowing flexibility in different electronic systems. - Rail-to-rail input/output: The OPA2187ID supports rail-to-rail input and output voltage swings, enabling accurate signal amplification across the entire voltage range. - Low noise: It provides excellent signal-to-noise ratio, ensuring high-quality signal amplification.

Package: The OPA2187ID is available in an 8-pin SOIC (Small Outline Integrated Circuit) package, which offers compactness and ease of integration into circuit boards.

Essence: The OPA2187ID is an essential component in electronic circuits that require precise signal amplification and conditioning.

Packaging/Quantity: The OPA2187ID is typically sold in reels or tubes containing multiple units, with each reel/tube containing a specific quantity of ICs.

Specifications

• Supply Voltage Range: ±2.5V to ±18V
• Input Offset Voltage: 500µV (maximum)
• Gain Bandwidth Product: 20MHz
• Slew Rate: 10V/µs
• Input Bias Current: 1pA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA2187ID features the following pin configuration:

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

Functional Features

• High gain: The OPA2187ID provides a high open-loop voltage gain, ensuring accurate amplification of input signals.
• Unity-gain stable: It remains stable even at unity gain, making it suitable for applications where precise signal reproduction is required.
• Low distortion: This operational amplifier exhibits low harmonic distortion, preserving the integrity of the amplified signal.
• Wide bandwidth: With a gain bandwidth product of 20MHz, the OPA2187ID can handle a wide range of frequencies.
• Output short-circuit protection: It incorporates built-in protection against output short circuits, preventing damage to the device.

Advantages and Disadvantages

Advantages: - High-speed performance - Low power consumption - Rail-to-rail input/output capability - Compact package size - Excellent signal-to-noise ratio

Disadvantages: - Limited temperature range (-40°C to +125°C) - Higher cost compared to some alternatives

Working Principles

The OPA2187ID operates based on the principles of differential amplification. It amplifies the difference between the voltages applied to its non-inverting and inverting inputs, producing an amplified output signal. By adjusting the feedback network, the gain and characteristics of the amplifier can be tailored to specific application requirements.

Detailed Application Field Plans

The OPA2187ID finds extensive use in various electronic applications, including: 1. Audio amplification: It is employed in audio systems, such as headphones, speakers, and audio mixers, to amplify and enhance audio signals. 2. Signal conditioning: The OPA2187ID is utilized in signal conditioning circuits to modify and prepare signals for further processing or measurement. 3. Sensor interfacing: It is used to interface sensors with microcontrollers or data acquisition systems, amplifying weak sensor signals for accurate measurement.

Detailed and Complete Alternative Models

1. OPA2187AID: Similar to the OPA2187ID, but with enhanced ESD (Electrostatic Discharge) protection.
2. OPA2187EVM: Evaluation module that includes the OPA2187ID and provides a platform for testing and prototyping applications.

These alternative models offer similar functionality to the OPA2187ID, providing options based on specific requirements and preferences.

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