OPA1644AID - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Operational Amplifier

Characteristics: - Low noise - High precision - Wide bandwidth - High slew rate

Package: SOIC (Small Outline Integrated Circuit)

Essence: The OPA1644AID is a high-performance audio operational amplifier designed for professional audio applications.

Packaging/Quantity: Available in tubes of 50 units or reels of 2500 units.

Specifications

Supply Voltage Range: ±2.25V to ±18V
Input Offset Voltage: 1.5mV (maximum)
Input Bias Current: 2nA (maximum)
Gain Bandwidth Product: 20MHz
Slew Rate: 13V/µs
Total Harmonic Distortion: 0.00006% (typical)
Output Current: 40mA (maximum)

Detailed Pin Configuration

The OPA1644AID has a total of 14 pins, which are assigned as follows:

OUT1: Output 1
IN+: Non-inverting input 1
IN-: Inverting input 1
V-: Negative power supply
NC: No connection
IN-: Inverting input 2
IN+: Non-inverting input 2
V+: Positive power supply
OUT2: Output 2
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection

Functional Features

Low noise and distortion for high-fidelity audio applications.
Wide bandwidth allows for accurate reproduction of audio signals.
High slew rate enables fast signal response.
High precision ensures accurate amplification.

Advantages and Disadvantages

Advantages: - Low noise and distortion for high-quality audio reproduction. - Wide bandwidth allows for accurate signal reproduction across a wide frequency range. - High slew rate enables faithful reproduction of fast transients. - High precision ensures accurate amplification of audio signals.

Disadvantages: - Higher cost compared to standard audio operational amplifiers. - Requires careful circuit design and layout considerations for optimal performance.

Working Principles

The OPA1644AID operates as a voltage amplifier, taking an input audio signal and amplifying it with high precision and low distortion. It utilizes advanced circuitry to minimize noise and provide accurate amplification across a wide frequency range. The amplifier's high slew rate allows it to faithfully reproduce fast transients, making it suitable for professional audio applications.

Detailed Application Field Plans

The OPA1644AID is commonly used in the following audio applications:

Professional audio recording and mixing equipment
High-end audio amplifiers and preamplifiers
Studio monitors and speakers
Audiophile-grade headphone amplifiers
Instrumentation and measurement equipment requiring high precision audio amplification

Detailed and Complete Alternative Models

OPA1612AID: Similar characteristics and package, but with lower total harmonic distortion.
OPA2134PA: Dual audio operational amplifier with similar characteristics, but different pin configuration.
LM4562NA: High-performance audio operational amplifier with comparable specifications and pin configuration.

These alternative models offer similar performance and can be considered as substitutes depending on specific application requirements.

Word count: 399 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPA1644AID v technických řešeních

Sure! Here are 10 common questions and answers related to the application of OPA1644AID in technical solutions:

Q: What is the OPA1644AID? A: The OPA1644AID is a quad operational amplifier (op-amp) with low noise, low distortion, and high precision characteristics.
Q: What are the typical applications of the OPA1644AID? A: The OPA1644AID is commonly used in audio amplification, professional audio equipment, audio mixers, and high-fidelity audio systems.
Q: What is the voltage supply range for the OPA1644AID? A: The OPA1644AID operates on a voltage supply range of ±2.25V to ±18V.
Q: What is the input voltage noise of the OPA1644AID? A: The input voltage noise of the OPA1644AID is typically 5.6nV/√Hz.
Q: Can the OPA1644AID operate in single-supply configurations? A: Yes, the OPA1644AID can be operated in single-supply configurations by connecting the negative supply pin to ground.
Q: What is the gain bandwidth product (GBW) of the OPA1644AID? A: The GBW of the OPA1644AID is typically 36MHz.
Q: Does the OPA1644AID have thermal shutdown protection? A: No, the OPA1644AID does not have built-in thermal shutdown protection.
Q: What is the total harmonic distortion (THD) of the OPA1644AID? A: The THD of the OPA1644AID is typically 0.00006% at 1kHz.
Q: Can the OPA1644AID drive capacitive loads? A: Yes, the OPA1644AID can drive capacitive loads up to 100pF without any external compensation.
Q: Is the OPA1644AID available in different package options? A: Yes, the OPA1644AID is available in both SOIC and VSSOP package options for ease of integration into various designs.

Please note that these answers are based on general information about the OPA1644AID and may vary depending on specific application requirements.