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PAM8303D

Name: PAM8303D
Rating: 4.7 (12 reviews)

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資料表 PAM8303D DataSheet
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規格

Brand	Diodes Incorporated
Product Type	Audio Amplifiers
Subcategory	Audio ICs

概述

Description

The PAM8303D is a compact, high-efficiency Class D audio amplifier designed for driving speakers in portable devices, such as smartphones, tablets, and mini audio systems. It operates on a supply voltage range of 5V to 12V and can deliver up to 3W per channel at 4-ohm loads, making it suitable for small form-factor applications.
Key features of the PAM8303D include low total harmonic distortion (THD), high signal-to-noise ratio (SNR), and built-in thermal and overcurrent protection, ensuring reliability and sound quality. The amplifier also supports stereo output and can be configured for mono operation if desired.
Its small package size and minimal external component requirement facilitate easy integration into various electronic designs. The PAM8303D is particularly favored for its efficiency, which reduces power consumption and heat generation, enhancing battery life in portable devices. Overall, it is an ideal choice for applications that require robust audio performance in a compact solution.

Features

The PAM8303D is a high-efficiency Class-D audio amplifier designed for driving speakers in portable audio applications. Key features include:
1. Output Power: Delivers up to 3W per channel at 5V supply with a 4Ω load.
2. High Efficiency: Efficiency rates up to 90%, reducing heat generation and extending battery life.
3. Low Distortion: THD+N (Total Harmonic Distortion plus Noise) is typically 0.1% at rated power.
4. Wide Supply Voltage Range: Operates from 2.5V to 5.5V, making it versatile for various applications.
5. Integrated Components: Includes an internal gain setting and a built-in shutdown function to save power.
6. Compact Size: Available in a small package, ideal for space-constrained designs.
7. Short Circuit Protection: Features protection against over-temperature and over-current conditions.
8. Easy to Use: Requires minimal external components, simplifying the design process.
These features make the PAM8303D suitable for portable speakers, TVs, and other compact audio devices.

Package

The PAM8303D is typically packaged in a compact SOP-16 (Small Outline Package) format, which facilitates easy integration into electronic circuits. This package type is suitable for surface mount applications, allowing for efficient space utilization on PCB designs.

Manufacturer

The PAM8303D is manufactured by Pamux Semiconductor, a company that specializes in the design and production of audio amplifiers and related integrated circuits. Pamux Semiconductor focuses on providing solutions for consumer electronics, including portable audio devices, televisions, and other multimedia applications. As a semiconductor manufacturer, they are involved in developing efficient and cost-effective audio amplification technologies, catering to the demand for high-performance audio in compact formats.

Application

The PAM8303D is a low-power Class-D audio amplifier used in various applications, including portable speakers, television audio systems, mini audio systems, and computer sound cards. It's ideal for battery-powered devices due to its efficiency, making it suitable for Bluetooth speakers, mobile devices, and DIY electronics projects. Its compact size and high output make it popular in consumer electronics and automotive audio systems as well.

Equivalent

Equivalent products to the PAM8303D chip include the TPA3110, TPA3116, and LM4871. These chips offer similar functionalities in driving audio amplification with low distortion and high efficiency. Additionally, the MAX9744 and IRS2092 are alternatives that can also serve in similar applications, providing compact solutions for portable audio devices. Always check specific datasheets for compatibility and performance characteristics.