WMSIC Electronic Components

DIODES PAM8403DR-H PAM8403DR

DIODES PAM8403DR-H PAM8403DR
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Product image

ModelPAM8403DR-H
PackageSOIC-16
BrandDIODES
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

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Technical data

Product details

20 specifications

Core information

Product name
DIODES PAM8403DR-H
Type
DIODES
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
DIODES
Electronic Component
PAM8403DR-H
Electronic Component
1
Package
SOIC-16
Electronic Component
87%；83%
Electronic Component
Audio Power Amplifier
Electronic Component
0.264g
Electronic Component
80dB
Electronic Component
1
Power Amplifier Type
D Power Amplifier
Features
Filter; /; / Switch
Electronic Component
BM0000282586
Operating Temperature
40℃~+85℃
Operating Voltage
2.8V~5.5V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

PAM8403DR-H 产品概述

产品简介

PAM8403DR-H 是一款高效能的 D 类音频功率放大器，专为音频应用设计，能够提供出色的音质和高输出功率表现。作为表面贴装型（SMD）元件，它适用于空间有限的电子产品，如音响系统、便携式音频设备和各类消费电子。PAM8403DR-H 采用 16-SOP 封装形式，非常适合高密度 PCB 设计。

主要特性

  • 功率类型: PAM8403DR-H 是一款单通道（Mono）音频功率放大器，具有 D 类放大器特性，能有效提升功率转换效率，同时降低功耗。
  • 供电电压: 它的工作电压范围为 2.8V 至 5.5V，能兼容多种电源环境，这使其能够在便携式电池供电和嵌入式系统中广泛应用。
  • 输出功率: 在 4Ω 负载条件下，PAM8403DR-H 可输出最大功率达 3W，这种功率级别非常适合家庭音响及小型音频放大器。
  • 立体声输出: 尽管其主要特征为 1 通道输出，但该型号的变体也支持 2 通道（立体声）配置，为用户提供更丰富的音频体验。

保护特性

PAM8403DR-H 搭载了多重保护机制，包括：

  • 短路保护: 能有效防止因意外短路造成的损坏，确保系统的安全稳定运行。
  • 热保护: 在过热情况下会自动关断，避免器件过载工作，提高系统的可靠性。
  • 消除爆音: 此项特性能够防止在放大器启动或关闭时产生的突然响声，为用户带来更好的听觉体验。

工作环境

PAM8403DR-H 的工作温度范围广泛，从 -40°C 到 85°C，适合不同的工作环境。无论是在高温的户外环境还是低温的室内使用，它都能够稳定工作。

应用领域

该音频功率放大器的设计使其非常适合于以下应用：

  • 便携式音频播放设备: 如便携式蓝牙音响、个人音响播放器。
  • 电视、电脑音响系统: 提高音质，增强用户体验。
  • 车载音频系统: 在车用设备中提供高质量音频输出。
  • 家用电器: 包括洗衣机、微波炉等包含音频功能的设备。

设计考量

在设计基于 PAM8403DR-H 的电路时，有几个关键因素需要注意：

  • PCB 布局: 为了确保最佳性能，应合理布局电源和信号线，避免噪声干扰。
  • 散热设计: 尽管 PAM8403DR-H 设计具有热保护功能，但在高负载情况下，合理的散热措施依然是必不可少的，确保放大器在安全温度范围内工作。
  • 输出负载: 选择合适的输出负载（例如，4Ω 或 8Ω 扬声器）将直接影响整体音质和功率输出。

总结

PAM8403DR-H 作为一款性价比高的 D 类音频功率放大器，在音质和功率输出上表现出色，同时其保护特性和宽广的工作电压范围使其在各种电子应用中具备广泛的适应性。无论是用于便携式设备，还是家庭音响系统，PAM8403DR-H 都以其卓越的性能满足了市场需求，成为音频放大行业的一款理想选择。

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