WMSIC Electronic Components

BELLING BL6281SO-R BL6281SO

ModelBL6281SO-R
PackageSOIC-8
BrandBELLING
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 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BELLING BL6281SO-R
Type
BELLING
Minimum package
2500 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BELLING
Electronic Component
BL6281SO-R
Electronic Component
1
Package
SOIC-8
Electronic Component
Audio Power Amplifier
Electronic Component
0.203g
Electronic Component
1
Power Amplifier Type
AB Power Amplifier
Features
Switch
Electronic Component
BM0000861265
Operating Temperature
40℃~+85℃
Operating Voltage
2.2V~5.5V
Output Power
1.1Wx1@8Ω
Static Current(Iq)
2.5mA
Electronic Component
Electronic Component

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

BL6281SO-R 音频功率放大器产品概述

一、产品定位与核心价值

BL6281SO-R是贝岭(BELLING)推出的单声道AB类音频功率放大器,针对便携式音频设备、低功耗消费电子及小功率音频场景设计,核心价值聚焦「宽电压兼容、低失真音质、低待机功耗」三大维度,同时兼顾宽温可靠性与易集成性,为电池供电类音频产品提供高性价比解决方案。

二、关键参数深度解析

BL6281SO-R的参数精准匹配消费电子实际需求,核心参数及实用意义如下:

  1. 输出功率:1.1W单声道@8Ω负载,满足小体积音频设备(如蓝牙音箱、学习机)的音量需求,无需额外功率放大级;
  2. 工作电压范围:2.2V~5.5V,覆盖常见电源场景——2节AA干电池(3V)、单节锂电池(3.7V)、USB 5V供电,无需额外电源管理电路,简化系统设计;
  3. 失真与噪声:THD+N仅0.07%(典型值),远低于人耳可察觉的1%失真阈值,音频还原度高,人声清晰、背景噪声极微;
  4. 静态电流:2.5mA(典型值),待机功耗低,延长电池供电设备续航(如蓝牙音箱待机时长可提升30%以上);
  5. 电源纹波抑制:PSRR达60dB,有效过滤电源纹波干扰(如电池放电波动、USB电磁干扰),避免“电流声”;
  6. 温度范围:-40℃~+85℃,覆盖工业级与消费级宽温场景,适应车载、户外音频设备的环境变化。

三、封装形式与典型应用场景

BL6281SO-R采用SOIC-8贴片封装,尺寸紧凑(约5.2mm×6.0mm),适合批量自动化焊接(回流焊、波峰焊),且兼容手工焊接,便于中小批量原型开发。

典型应用场景包括:

  1. 便携式音频:蓝牙音箱、迷你收音机、便携式MP3/MP4;
  2. 教育电子:英语学习机、点读笔、智能故事机;
  3. 智能穿戴:智能手环/手表音频提示模块、小功率蓝牙耳机;
  4. 车载小音频:后视镜蓝牙音频、车内氛围灯音频;
  5. 工业控制:仪器仪表语音提示、门禁终端语音播报。

四、核心性能亮点细节

  1. AB类功放的线性优势:兼顾甲类低失真与乙类高效率,小信号输出接近甲类,大信号切换至乙类,音质与功耗平衡;
  2. 低静态电流的续航增益:2.5mA静态电流远低于竞品(部分达5mA+),待机电流消耗减少50%,显著提升电池续航;
  3. 宽电压的设计灵活性:同一产品可适配干电池、锂电池、USB三种供电,降低研发成本与物料复杂度;
  4. 抗干扰能力适配复杂场景:60dB PSRR可过滤USB电磁干扰,避免蓝牙音箱出现“电流声”;
  5. 宽温可靠性:-40℃~+85℃可适应北方冬季户外、南方夏季车内高温,覆盖更多场景。

五、可靠性与兼容性说明

贝岭作为国内老牌半导体厂商,BL6281SO-R经严格量产验证,符合RoHS环保标准,且具备:

  1. 电路兼容性:可直接连接常见蓝牙芯片(CSR、TI CC系列)、MCU(STM32、ATmega系列),无需额外缓冲;
  2. 负载兼容性:支持8Ω~16Ω常见扬声器,适配2寸、3寸小喇叭;
  3. 焊接兼容性:SOIC-8封装适配回流焊(220℃~260℃)、波峰焊,引脚间距合理,不易短路;
  4. 批量可靠性:产品一致性好,批量良率达99.5%以上,适合消费电子批量出货。

总结:BL6281SO-R以宽电压、低失真、低功耗、宽温等优势,成为便携式音频设备的高性价比选择,既满足音质需求,又简化系统设计,覆盖消费电子、教育电子、智能穿戴等多领域。

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