OPA1644AIDR

Product Overview

Category

OPA1644AIDR belongs to the category of operational amplifiers (op-amps).

Use

The OPA1644AIDR op-amp is commonly used in audio applications, such as high-fidelity audio systems, professional audio equipment, and musical instruments.

Characteristics

• Low noise: The OPA1644AIDR offers a low noise floor, making it suitable for high-quality audio applications.
• High bandwidth: With a wide bandwidth, this op-amp can handle high-frequency signals accurately.
• Low distortion: The OPA1644AIDR provides low total harmonic distortion (THD), ensuring faithful reproduction of audio signals.
• High slew rate: This op-amp has a high slew rate, enabling it to respond quickly to fast-changing input signals.

Package

The OPA1644AIDR comes in an SOIC-14 package, which stands for Small Outline Integrated Circuit. This package type allows for easy mounting on circuit boards.

Essence

The essence of the OPA1644AIDR lies in its ability to provide high-quality audio amplification with low noise and distortion.

Packaging/Quantity

The OPA1644AIDR 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 OPA1644AIDR has a total of 14 pins, arranged as follows:

```

---

| | --|1 OPA1644A 14|-- --|2 13|-- --|3 12|-- --|4 11|-- --|5 10|-- --|6 9|-- --|7 8|-- |_______________| ```

Functional Features

• Low noise amplification: The OPA1644AIDR provides a high signal-to-noise ratio, ensuring clean and clear audio reproduction.
• High precision: This op-amp offers precise amplification with low offset voltage and bias current.
• Wide dynamic range: With its low distortion and high slew rate, the OPA1644AIDR can handle a wide range of input signals accurately.

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low noise and distortion
• Wide bandwidth for accurate signal reproduction
• Suitable for professional audio applications

Disadvantages

• Relatively higher cost compared to some other op-amps
• Requires careful consideration of power supply requirements

Working Principles

The OPA1644AIDR operates based on the principles of operational amplifiers. It amplifies the input audio signal while maintaining low noise and distortion levels. The op-amp's internal circuitry ensures precise amplification and high fidelity audio reproduction.

Detailed Application Field Plans

The OPA1644AIDR is widely used in various audio applications, including: - High-fidelity audio systems - Professional audio equipment - Musical instruments - Audio mixers and preamplifiers - Headphone amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the OPA1644AIDR include: - AD8620 - LM4562 - NJM2068 - LT1358

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

In conclusion, the OPA1644AIDR is a high-quality operational amplifier designed for audio applications. Its low noise, low distortion, and wide bandwidth make it suitable for demanding audio systems. While it may have a higher cost compared to some alternatives, its performance justifies the investment in professional audio equipment.