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MSKSEMI MS8002D
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MSKSEMI MS8002D
- Type
- MSKSEMI
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MSKSEMI
- Electronic Component
- MS8002D
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Audio Power Amplifier
- Electronic Component
- 0.164g
- Electronic Component
- 89dB
- Electronic Component
- 1
- Power Amplifier Type
- AB Power Amplifier
- Features
- Switch
- Electronic Component
- BM0230826849
- Operating Voltage
- 2.5V~5.5V
- Output Power
- 1.6W×1@8Ω；2.8W×1@3Ω；2.6W×1@4Ω
- Static Current(Iq)
- 5mA
- Speaker Channel Count
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MS8002D 音频功率放大器产品概述
一、产品简介
MS8002D 是美森科（MSKSEMI）推出的一款单声道 AB 类音频功放，封装为 SOP-8。工作电压范围宽（2.5V～5.5V），可直接驱动小型扬声器，适合便携音箱、玩具、对讲、智能终端等空间受限的消费类音频场景。
二、主要性能参数
- 输出功率：1.6W×1（8Ω），2.6W×1（4Ω），2.8W×1（3Ω）
- 总谐波失真+噪声（THD+N）：0.3%（典型）
- 静态电流（Iq）：5mA（待机/静态工作电流低）
- 信噪比（SNR）：89dB
- 输入类型：差分输入（差分共模抑制好）
- 电源纹波抑制比（PSRR）：57dB
- 工作电压：2.5V ～ 5.5V
- 封装：SOP-8
三、性能特点与设计亮点
- 低工作电压与宽电源范围，适配单节至双节锂电池或常规 5V 电源。
- 差分输入结构天然抑制共模干扰，提升系统抗噪能力，便于与数字音源或长线传输接口配合。
- THD+N 0.3% 与 89dB 的 SNR 达到消费类良好音质水平，满足人声与普通音乐播放需求。
- PSRR 57dB 对供电纹波有较好抑制，配合适当滤波可降低电源噪音对音质的影响。
四、应用建议与注意事项
- 输入：优先采用差分输入以发挥器件优势；若系统仅有单端信号，可用差分到单端的桥接或配对电阻/耦合电容方式转换。
- 电源与滤波：推荐在电源引脚附近放置 0.1µF 陶瓷并联 10–100µF 电解/固态电容，提升瞬态供电能力并降低纹波。
- 扬声器匹配：根据设计需求选择合适阻抗扬声器，注意 3Ω 工作点可获得最大额定输出但对电源与散热要求更高。
- 布局：电源与接地走线要粗短，输入信号走线远离输出与开关干扰源，器件旁放置去耦电容以减少振铃与振荡风险。
- 热管理：虽然静态电流低但在大功率输出时仍会产生热量，4Ω 或 3Ω 负载下应评估 PCB 温升与环境散热条件。
五、适用场景
便携蓝牙音箱、儿童玩具、智能家居终端（如语音助手、门铃）、便携式多媒体设备及低成本单声道音频放大需求场景。
六、总结
MS8002D 在小型单声道音频应用中提供了良好的功率密度与音质表现，差分输入与较高的 PSRR 提升系统抗干扰能力；其宽电压与低静耗特性使其在电池供电产品中具有竞争力。设计时关注电源去耦、扬声器阻抗选择与散热即可发挥其最佳性能。
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