INA163UA/2K5

Product Overview

Category

The INA163UA/2K5 belongs to the category of integrated circuits (ICs) specifically designed for audio applications.

Use

This product is commonly used in professional audio equipment, such as mixers, amplifiers, and recording devices. It is primarily utilized for high-quality audio signal processing and amplification.

Characteristics

• Low noise: The INA163UA/2K5 offers a low noise floor, ensuring minimal interference and distortion in audio signals.
• High gain: This IC provides a high gain capability, allowing for precise amplification of weak audio signals.
• Wide bandwidth: With a wide frequency response range, it can accurately reproduce audio signals across various frequencies.
• Balanced inputs: The INA163UA/2K5 features balanced inputs, which help eliminate common-mode noise and improve signal integrity.
• Single-supply operation: It can be powered by a single supply voltage, simplifying the overall circuit design.

Package and Quantity

The INA163UA/2K5 is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing a specified quantity, usually 2500 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 36V
• Input Voltage Range: ±Vs/2
• Gain Bandwidth Product: 1 MHz
• Total Harmonic Distortion: 0.0005% (typical)
• Input Noise Voltage: 3.9 nV/√Hz (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA163UA/2K5 has a total of 8 pins, which are assigned specific functions:

1. V+
2. V-
3. RG
4. IN-
5. IN+
6. REF
7. OUT
8. NC

Functional Features

• High common-mode rejection ratio (CMRR): The INA163UA/2K5 effectively rejects common-mode noise, ensuring accurate amplification of differential audio signals.
• Adjustable gain: It allows users to adjust the gain according to their specific requirements, providing flexibility in audio signal processing.
• Internal voltage reference: The IC incorporates an internal voltage reference, eliminating the need for an external reference source.
• Low power consumption: The INA163UA/2K5 is designed to consume minimal power, making it suitable for battery-powered audio devices.

Advantages and Disadvantages

Advantages

• Excellent audio signal quality with low noise and distortion.
• Versatile application range in professional audio equipment.
• Balanced inputs for improved signal integrity.
• Single-supply operation simplifies circuit design.

Disadvantages

• Limited availability in certain regions or markets.
• Relatively higher cost compared to some alternative models.

Working Principles

The INA163UA/2K5 operates based on the principle of differential amplification. It amplifies the difference between the IN+ and IN- input voltages while rejecting common-mode noise. This differential amplification ensures accurate reproduction of audio signals with minimal distortion and interference.

Application Field Plans

The INA163UA/2K5 finds extensive use in various audio applications, including: - Professional audio mixers and consoles - Microphone preamplifiers - Audio recording interfaces - Studio monitors - Audio signal processors

Alternative Models

For those seeking alternative options, the following integrated circuits can be considered: - AD823 - OPA1612 - NJM2068

These alternatives offer similar functionalities and are widely used in audio applications.

In conclusion, the INA163UA/2K5 is a high-performance integrated circuit designed for professional audio applications. With its low noise, high gain, and balanced inputs, it provides excellent audio signal quality. While it may have some limitations in availability and cost, it remains a popular choice among audio professionals for its reliability and performance.