INA163UA

Product Overview

Category: Integrated Circuits (ICs)

Use: The INA163UA is a high-performance, low-noise audio operational amplifier. It is specifically designed for professional audio applications such as microphone preamplifiers and line receivers.

Characteristics: - Low noise: The INA163UA offers extremely low noise performance, making it ideal for capturing high-quality audio signals. - High gain: It provides a high gain of up to 60 dB, allowing for amplification of weak audio signals. - Wide bandwidth: With a wide bandwidth range of 10 Hz to 100 kHz, the INA163UA ensures accurate reproduction of audio signals across the entire audible spectrum. - Low distortion: It maintains low distortion levels, resulting in faithful audio signal reproduction. - High common-mode rejection ratio (CMRR): The CMRR of the INA163UA helps eliminate unwanted noise and interference from the audio signal.

Package: The INA163UA comes in a small outline integrated circuit (SOIC) package, which provides ease of installation and compatibility with standard PCB designs.

Essence: The essence of the INA163UA lies in its ability to deliver high-quality audio amplification with minimal noise and distortion, making it an essential component in professional audio equipment.

Packaging/Quantity: The INA163UA is typically available in reels or tubes, containing a specified quantity of ICs per package.

Specifications

• Supply Voltage Range: ±2.25 V to ±18 V
• Input Offset Voltage: ±0.5 mV (maximum)
• Input Bias Current: ±1 nA (maximum)
• Gain Bandwidth Product: 8 MHz (typical)
• Slew Rate: 4 V/µs (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

1. Pin 1: Non-Inverting Input (+)
2. Pin 2: Inverting Input (-)
3. Pin 3: Output
4. Pin 4: V-
5. Pin 5: NC (No Connection)
6. Pin 6: V+
7. Pin 7: NC (No Connection)
8. Pin 8: NC (No Connection)

Functional Features

• Low noise and distortion: The INA163UA ensures high-fidelity audio amplification by minimizing noise and distortion levels.
• High gain: It provides a significant amplification factor, allowing for precise control over the audio signal.
• Wide bandwidth: The wide frequency response range enables accurate reproduction of audio across various frequencies.
• High CMRR: The high common-mode rejection ratio helps eliminate unwanted noise and interference from the audio signal.

Advantages and Disadvantages

Advantages: - Exceptionally low noise performance - High gain capability - Wide bandwidth for accurate audio reproduction - Low distortion levels - High CMRR for noise rejection

Disadvantages: - Limited pin configuration options - Requires external power supply

Working Principles

The INA163UA operates as a differential amplifier, amplifying the voltage difference between its non-inverting and inverting inputs. It utilizes internal circuitry to minimize noise and distortion, ensuring clean and accurate audio amplification.

Detailed Application Field Plans

The INA163UA finds extensive application in professional audio equipment, including: - Microphone preamplifiers - Line receivers - Audio mixers - Audio recording interfaces - Studio monitors

Detailed and Complete Alternative Models

1. INA162UA: Similar to the INA163UA, but with lower gain and different pin configuration.
2. OPA1612: A high-performance audio operational amplifier with similar characteristics to the INA163UA.
3. NJM2068: A dual audio operational amplifier suitable for various audio applications.

These alternative models offer similar functionality and can be considered as substitutes for the INA163UA in specific applications.

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