WMSIC Electronic Components

ADI/LINEAR MAX4466EXK+T MAX4466EXK

ModelMAX4466EXK+T
PackageSC-70-5
BrandADI/LINEAR
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX4466EXK+T
Type
SC-70-5
Minimum package
2500

Technical parameters

Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX4466EXK+T
Electronic Component
1
Package
SC-70-5
Electronic Component
Audio Power Amplifier
Electronic Component
0.02g
Electronic Component
1
Electronic Component
BM0258706476
Operating Temperature
40℃~+85℃
Operating Voltage
2.4V~5.5V
Channel Count
1
Static Current(Iq)
24uA
Speaker Channel Count
Electronic Component
Electronic Component
2500
Power Supply (PSRR)
112dB
+ (THD+N)
0.03%

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

MAX4466EXK+T 产品概述

一、概述

MAX4466EXK+T 是一款面向麦克风前置放大的低成本、超低功耗放大器,适用于便携式语音采集和低功耗传感终端。器件为单声道前置放大器,工作电压范围宽(2.4V 至 5.5V),可直接与电池供电或单电源系统配合使用。封装采用小尺寸 SC-70-5(亦称 SOT-23-5),适合空间受限的消费类与工业类产品。

二、主要性能指标

  • 扬声器通道数:单声道
  • 工作电压:2.4 V ~ 5.5 V
  • 总谐波失真 + 噪声(THD+N):0.03%(典型值)
  • 静态电流(Iq):约 24 µA(用户提供信息中“24A”应为单位误写,实际为微安级)
  • 工作温度:-40 ℃ ~ +85 ℃
  • 电源纹波抑制比(PSRR):112 dB(高抑制能力,有利于抑制电源噪声)
  • 品牌:ADI(Analog Devices / Linear)
  • 封装:SC-70-5

三、功能与优势

  • 超低功耗:待机与工作功耗均低,适合电池供电的语音采集设备与长期运行的物联网节点。
  • 低失真与低噪声:THD+N 典型 0.03%,保证语音信号保真度,适合语音识别与高品质录音应用。
  • 高 PSRR:高达 112 dB 的电源纹波抑制能力,在电源环境不理想或有开关噪声的系统中仍能保持信号纯净。
  • 小尺寸封装:SC-70-5 体积小,便于空间受限的 PCB 布局与产品小型化设计。

四、典型应用场景

  • 便携式语音记录仪、数码录音笔
  • 无线话筒与领夹麦克风
  • 智能音箱、语音控制终端前端
  • 可穿戴设备与移动终端的语音采集模块
  • 安防、物联网语音传感器与远程语音监控

五、设计与布局建议

  • 电源滤波:尽管器件 PSRR 极高,仍建议在供电引脚近处放置 0.1 µF 陶瓷旁路电容并配合 1 µF~10 µF 的电解或钽电容以抑制低频纹波。
  • 输入/输出耦合:对直流偏置敏感的麦克风应采用合理的耦合电容和偏置网络,避免直流分量影响后级。
  • 增益设置:通过外部反馈电阻调整增益,注意反馈网络的阻值不宜过大以防噪声上升。
  • PCB 布局:保持输入信号线短且远离开关电源轨,使用连续接地层以降低干扰;敏感引脚附近避免走高速或高电流走线。
  • 热与可靠性:封装小,散热能力有限,应在允许的温升范围内使用,并遵循推荐的回流焊工艺。

六、选型与注意事项

  • 在最终设计前请参考官方完整数据手册,确认绝对最大额定值、典型电路和评估板推荐值。
  • 如需双声道或更低噪声、更高驱动能力的方案,可对比同系列或其它 ADI/Maxim 放大器产品。
  • 采购时注意器件完整型号(MAX4466EXK+T)与包装形式(卷带/托盘),以及是否为原厂或授权分销商货源。

MAX4466EXK+T 以其低功耗、小体积与高 PSRR 的特点,适合要求能耗低、信号保真度高的麦克风前端应用。为获得最佳性能,建议结合数据手册中的典型应用电路与 PCB 布局指导进行设计验证。

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