INA163UAE4

Product Overview

Category: Integrated Circuit (IC)

Use: The INA163UAE4 is a high-performance, low-noise audio amplifier designed for professional audio applications. It is commonly used in audio recording equipment, mixers, and other audio processing devices.

Characteristics: - Low noise: The INA163UAE4 offers a very low noise floor, ensuring high-quality audio reproduction. - High gain: It provides a high voltage gain, allowing for amplification of weak audio signals. - Wide bandwidth: The amplifier has a wide frequency response range, enabling accurate reproduction of audio across the entire audible spectrum. - Low distortion: It maintains low levels of harmonic distortion, preserving the original audio signal integrity. - High input impedance: The INA163UAE4 features a high input impedance, minimizing signal loss and interference.

Package: The INA163UAE4 is available in a small outline integrated circuit (SOIC) package, which provides ease of integration into various audio equipment designs.

Essence: The essence of the INA163UAE4 lies in its ability to amplify audio signals with minimal noise and distortion, resulting in high-fidelity sound reproduction.

Packaging/Quantity: The INA163UAE4 is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Voltage Range: ±Vs - 1.5V
• Output Voltage Swing: ±Vs - 1.5V
• Gain Bandwidth Product: 22 MHz
• Total Harmonic Distortion + Noise: 0.0003% (typical)
• Input Impedance: 20 kΩ
• Output Impedance: 10 Ω
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA163UAE4 has a total of 16 pins. The pin configuration is as follows:

1. V+
2. V-
3. GND
4. IN-
5. IN+
6. REF
7. RG
8. NC
9. NC
10. OUT
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC

Functional Features

• Differential Input: The INA163UAE4 accepts differential audio input signals, allowing for common-mode noise rejection.
• Gain Control: It provides the ability to adjust the gain of the amplifier through an external resistor connected to the RG pin.
• Output Protection: The amplifier includes short-circuit and thermal protection features to safeguard against potential damage.
• Low Power Consumption: The INA163UAE4 operates with low power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High-quality audio amplification with low noise and distortion. - Wide frequency response for accurate audio reproduction. - Flexible gain control for customization. - Compact package for easy integration. - Suitable for professional audio applications.

Disadvantages: - Limited output voltage swing compared to some other audio amplifiers. - Requires external components for proper operation.

Working Principles

The INA163UAE4 is based on a differential amplifier topology. It amplifies the difference between the IN+ and IN- inputs while rejecting any common-mode noise present in the input signal. The gain of the amplifier can be adjusted by selecting an appropriate value for the external resistor connected to the RG pin.

Detailed Application Field Plans

The INA163UAE4 finds application in various professional audio equipment, including: - Audio recording devices - Mixing consoles - Microphone preamplifiers - Audio interfaces - Studio monitors

Alternative Models

• INA163UA: Similar to the INA163UAE4, but without the extended temperature range.
• INA163UAG4: Similar to the INA163UAE4, but with a different pin configuration.

These alternative models offer similar functionality and can be considered as substitutes for the INA163UAE4 in specific applications.

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