OPA211ID

Product Overview

Category: Integrated Circuits (ICs)

Use: The OPA211ID is a precision operational amplifier designed for high-performance audio applications. It offers low noise, low distortion, and high output current capability, making it suitable for use in audio amplifiers, professional audio equipment, and high-fidelity audio systems.

Characteristics: - Low noise: The OPA211ID features a low input voltage noise density, ensuring minimal interference with the audio signal. - Low distortion: With a low total harmonic distortion (THD), the OPA211ID maintains the integrity of the audio signal. - High output current capability: This operational amplifier can deliver high output currents, enabling it to drive low impedance loads effectively.

Package: The OPA211ID is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the OPA211ID lies in its ability to provide precise and high-quality audio amplification, ensuring faithful reproduction of audio signals.

Packaging/Quantity: The OPA211ID is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: ±2.5V to ±18V
• Input Offset Voltage: 0.25mV (maximum)
• Input Bias Current: 1nA (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 20V/μs
• Output Current: 50mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA211ID has the following pin configuration:

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

Functional Features

• Low noise and distortion: The OPA211ID ensures high-fidelity audio reproduction by minimizing noise and distortion.
• High output current: It can drive low impedance loads, making it suitable for driving headphones and speakers directly.
• Wide supply voltage range: The operational amplifier can operate from ±2.5V to ±18V, providing flexibility in various audio applications.
• Stable operation: The OPA211ID has excellent stability characteristics, ensuring reliable performance even in challenging operating conditions.

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low noise and distortion - High output current capability - Wide supply voltage range

Disadvantages: - Limited pin configuration options - Relatively higher cost compared to some other operational amplifiers

Working Principles

The OPA211ID is based on a precision operational amplifier architecture. It utilizes advanced circuitry to provide accurate amplification of audio signals. By carefully controlling the input offset voltage, bias current, and gain bandwidth product, the OPA211ID ensures minimal distortion and noise in the amplified audio signal.

Application Field Plans

The OPA211ID finds application in various audio-related fields, including: 1. Audio amplifiers 2. Professional audio equipment 3. High-fidelity audio systems 4. Headphone amplifiers 5. Audio mixers

Alternative Models

Some alternative models that can be considered as substitutes for the OPA211ID include: - OPA2134 - LT1358 - AD797 - NJM2068

These alternatives offer similar performance characteristics and can be used in similar audio applications.

In conclusion, the OPA211ID is a precision operational amplifier designed for high-performance audio applications. With its low noise, low distortion, and high output current capability, it provides accurate and high-quality audio amplification. It is widely used in audio amplifiers, professional audio equipment, and high-fidelity audio systems.