PA88

Product Overview

Category: Integrated Circuit (IC)

Use: PA88 is a high-performance audio amplifier IC designed for use in various audio applications.

Characteristics: - High power output - Low distortion - Wide frequency response - Compact size

Package: PA88 is available in a small outline package (SOP) with 8 pins.

Essence: The essence of PA88 lies in its ability to amplify audio signals with high fidelity and efficiency.

Packaging/Quantity: PA88 is typically sold in reels containing 1000 units per reel.

Specifications

Power Supply Voltage: 5V - 12V
Output Power: 10W
Total Harmonic Distortion: <0.1%
Frequency Response: 20Hz - 20kHz
Input Impedance: 10kΩ
Output Impedance: 4Ω

Detailed Pin Configuration

PA88 features the following pin configuration:

VCC: Power supply voltage input
GND: Ground reference
IN+: Positive audio signal input
IN-: Negative audio signal input
OUT: Amplified audio signal output
NC: No connection
NC: No connection
SHDN: Shutdown control input

Functional Features

High power output allows for driving speakers with sufficient volume.
Low distortion ensures accurate reproduction of audio signals.
Wide frequency response enables faithful reproduction of both low and high-frequency sounds.
Compact size makes it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High power output - Low distortion - Wide frequency response - Compact size

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires an external power supply

Working Principles

PA88 operates on the principle of amplifying audio signals using a combination of voltage and current amplification stages. The input audio signal is amplified by the internal circuitry and then delivered to the output pin, resulting in an amplified audio signal.

Detailed Application Field Plans

PA88 finds applications in various audio-related fields, including: 1. Home audio systems 2. Portable speakers 3. Car audio systems 4. Public address systems 5. Musical instruments

Detailed and Complete Alternative Models

PA89: Similar to PA88 but with higher output power (20W)
PA87: Similar to PA88 but with lower output power (5W)
PA90: Similar to PA88 but with additional built-in equalizer functionality

These alternative models offer different power outputs and additional features to cater to specific application requirements.

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10個與PA88在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of PA88 in technical solutions:

Q: What is PA88?
A: PA88 refers to a specific type of polyamide material commonly used in technical applications due to its high strength and durability.
Q: What are the key properties of PA88?
A: PA88 exhibits excellent mechanical properties, including high tensile strength, impact resistance, and good dimensional stability.
Q: In which technical solutions is PA88 commonly used?
A: PA88 is widely used in various technical solutions such as automotive parts, electrical connectors, industrial machinery components, and consumer electronics.
Q: Can PA88 withstand high temperatures?
A: Yes, PA88 has a relatively high melting point and can withstand temperatures up to around 220°C (428°F), making it suitable for applications requiring heat resistance.
Q: Is PA88 resistant to chemicals?
A: PA88 has good chemical resistance to many common solvents, oils, and fuels, but it may not be suitable for highly aggressive chemicals.
Q: Does PA88 have good electrical insulation properties?
A: Yes, PA88 is known for its excellent electrical insulation properties, making it suitable for applications where electrical conductivity needs to be minimized.
Q: Can PA88 be easily machined or molded?
A: Yes, PA88 can be easily machined using conventional methods like milling, turning, and drilling. It is also suitable for injection molding processes.
Q: Is PA88 available in different colors?
A: Yes, PA88 can be produced in various colors, allowing for aesthetic customization in technical solutions.
Q: What are the limitations of PA88?
A: PA88 may have limited resistance to UV radiation, which can cause degradation over time. It also absorbs moisture, which can affect its mechanical properties.
Q: Are there any alternatives to PA88 for technical applications?
A: Yes, there are several alternative materials such as PA6, PA66, and PEEK that offer similar or enhanced properties depending on the specific requirements of the application.

Please note that the answers provided here are general and may vary depending on specific product formulations and manufacturers.