OPA1664AIDR

Product Overview

Category

OPA1664AIDR belongs to the category of operational amplifiers (op-amps).

Use

The OPA1664AIDR is primarily used in audio applications, such as professional audio equipment, high-fidelity audio systems, and audio amplifiers.

Characteristics

• Low noise: The OPA1664AIDR offers low noise performance, making it suitable for high-quality audio applications.
• High bandwidth: It has a wide bandwidth, allowing it to handle high-frequency signals accurately.
• Low distortion: The op-amp provides low distortion, ensuring faithful reproduction of audio signals.
• High slew rate: With a high slew rate, the OPA1664AIDR can respond quickly to fast-changing input signals.
• Low power consumption: It operates with low power consumption, making it energy-efficient.

Package

The OPA1664AIDR comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of the OPA1664AIDR lies in its ability to provide high-quality audio amplification with low noise and distortion.

Packaging/Quantity

The OPA1664AIDR is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply voltage range: ±2.25V to ±18V
• Input offset voltage: 1mV (maximum)
• Input bias current: 1nA (maximum)
• Gain bandwidth product: 20MHz
• Slew rate: 10V/µs
• Total harmonic distortion + noise: 0.0005% (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The OPA1664AIDR has a total of 14 pins. Here is the detailed pin configuration:

1. OUTA: Output A
2. INA-: Inverting input A
3. INA+: Non-inverting input A
4. V-: Negative power supply
5. V+: Positive power supply
6. NC: No connection
7. INB+: Non-inverting input B
8. INB-: Inverting input B
9. OUTB: Output B
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection

Functional Features

The OPA1664AIDR offers the following functional features:

• Dual-channel operation: It provides two independent operational amplifiers in a single package.
• High voltage gain: The op-amp has a high voltage gain, allowing for signal amplification.
• Rail-to-rail output swing: It can drive signals close to the power supply rails, maximizing dynamic range.
• Unity-gain stable: The OPA1664AIDR remains stable even at unity gain, ensuring reliable performance.

Advantages and Disadvantages

Advantages

• Low noise performance ensures high-quality audio reproduction.
• Wide bandwidth allows accurate handling of high-frequency signals.
• Low distortion results in faithful audio signal reproduction.
• High slew rate enables quick response to fast-changing input signals.
• Energy-efficient with low power consumption.

Disadvantages

• Limited number of pins may restrict certain circuit configurations.
• Requires external components for proper operation.

Working Principles

The OPA1664AIDR operates based on the principles of operational amplifiers. It amplifies the difference between its two input voltages and produces an output voltage that is proportional to this difference. By adjusting the feedback network, the gain and other characteristics of the op-amp can be tailored to specific applications.

Detailed Application Field Plans

The OPA1664AIDR finds applications in various audio-related fields, including:

1. Professional audio equipment: It is used in mixers, preamplifiers, and audio interfaces to ensure high-quality audio signal processing.
2. High-fidelity audio systems: The op-amp contributes to accurate amplification and faithful reproduction of audio signals in high-end audio systems.
3. Audio amplifiers: It is employed in audio power amplifiers to provide clean and powerful sound output.

Detailed and Complete Alternative Models

Here are some alternative models that can be considered as alternatives to the OPA1664AIDR:

1. OPA1642: This dual-channel op-amp offers similar characteristics and is suitable for audio applications.
2. LM4562: Known for its low distortion and wide bandwidth, this op-amp is commonly used in audio systems.
3. NE5532: A popular choice for audio applications due to its low noise and wide supply voltage range.

These alternative models provide similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the OPA1664AIDR is a dual-channel operational