OPA1644AIPW

Product Overview

Category

OPA1644AIPW belongs to the category of operational amplifiers (op-amps).

Use

The OPA1644AIPW op-amp is commonly used in audio applications, such as high-fidelity audio systems, professional audio equipment, and musical instruments.

Characteristics

• Low noise: The OPA1644AIPW offers a low noise floor, making it suitable for high-quality audio applications.
• High bandwidth: With a wide bandwidth, this op-amp can handle audio signals with high frequencies.
• Low distortion: The OPA1644AIPW provides low total harmonic distortion (THD), ensuring accurate reproduction of audio signals.
• High slew rate: This op-amp has a fast slew rate, enabling it to respond quickly to rapid changes in input signals.

Package

The OPA1644AIPW comes in a standard 14-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of the OPA1644AIPW lies in its ability to provide high-quality audio amplification with low noise and distortion.

Packaging/Quantity

The OPA1644AIPW is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply voltage range: ±2.25V to ±18V
• Input offset voltage: 0.5mV (maximum)
• Input bias current: 1nA (maximum)
• Gain bandwidth product: 20MHz
• Slew rate: 13V/µs
• Total harmonic distortion: 0.00006% (typical)

Detailed Pin Configuration

The OPA1644AIPW has a 14-pin configuration as follows:

1. OUT1-
2. OUT1+
3. V-
4. IN1-
5. IN1+
6. V+
7. NC (No Connection)
8. NC
9. IN2+
10. IN2-
11. V-
12. OUT2+
13. OUT2-
14. NC

Functional Features

• Low noise amplification: The OPA1644AIPW provides a high signal-to-noise ratio, ensuring clear and accurate audio reproduction.
• High gain: This op-amp offers a high voltage gain, allowing for amplification of weak audio signals.
• Wide dynamic range: With its low distortion and high slew rate, the OPA1644AIPW can handle a wide range of audio signals without compromising fidelity.

Advantages and Disadvantages

Advantages

• Low noise floor for high-quality audio applications.
• Wide bandwidth for handling high-frequency signals.
• Low distortion for accurate audio reproduction.
• Fast slew rate for rapid response to input signal changes.

Disadvantages

• Higher cost compared to some other op-amps with similar specifications.
• Requires careful consideration of power supply requirements for optimal performance.

Working Principles

The OPA1644AIPW operates based on the principles of operational amplifiers. It amplifies the difference between the voltages at its input terminals, providing a higher output voltage proportional to the input voltage difference. The op-amp's internal circuitry, including transistors and resistors, allows it to achieve the desired amplification characteristics.

Detailed Application Field Plans

The OPA1644AIPW finds application in various audio-related fields, including: - High-fidelity audio systems - Professional audio equipment - Musical instruments - Audio recording and mixing consoles - Headphone amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the OPA1644AIPW include: - OPA1642AIPW: A dual-channel version of the OPA1644AIPW. - LM4562: Another high-performance audio op-amp with low noise and distortion. - AD797: A precision op-amp suitable for audio applications.

These alternative models can be considered based on specific requirements and design considerations.

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