WMSIC Electronic Components

ADI/LINEAR MAX98307ETE+T MAX98307ETE

ModelMAX98307ETE+T
PackageTQFN-16-EP(3x3)
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 MAX98307ETE+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX98307ETE+T
Electronic Component
1
Package
TQFN-16-EP(3x3)
Electronic Component
84%
Electronic Component
Audio Power Amplifier
Electronic Component
0.034g
Electronic Component
1
Power Amplifier Type
DG Power Amplifier
Features
Filter; /; / Switch
Electronic Component
BM0258873073
Operating Temperature
40℃~+85℃
Operating Voltage
2.6V~5.25V
Output Power
3.3Wx1@8Ω
Static Current(Iq)
1.85mA

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

MAX98307ETE+T 产品概述

一、产品简介

MAX98307ETE+T 是 Analog Devices(原 Maxim Integrated)推出的一款高效率单声道功率放大器,属于 DG 类(高效数字/混合驱动)功率放大器家族。器件专为便携与低功耗音频应用设计,支持单电源供电,输出功率可达 3.3 W(对 8 Ω 负载,典型值),在保持高效率的同时提供低失真与低静态电流的平衡表现。器件采用 16 引脚 TQFN-16-EP (3 × 3 mm) 封装,适合空间受限、热管理要求明确的消费类与工业类音频终端。

二、主要性能参数(概要)

  • 功放类型:DG 类高效功率放大器(单声道)
  • 输出功率:3.3 W × 1 @ 8 Ω(典型)
  • 工作电压:2.6 V ~ 5.25 V(单电源)
  • 总谐波失真 + 噪声(THD+N):0.05%(典型)
  • 静态电流(Iq):1.85 mA(典型)
  • 电源纹波抑制比(PSRR):78 dB
  • 效率:84%(典型,具体与负载、供电电压与输出电平相关)
  • 输入类型:差分输入(差分对与单端兼容)
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 封装:TQFN-16-EP (3 × 3 mm),16 引脚,带外露焊盘(EP)
  • 货号说明:+T 表示卷带盘装(Tape & Reel)

三、关键特性与设计优势

  • 差分输入:差分输入结构可提高共模抑制比,减小外界干扰对音质的影响,同时可减少或免除输入耦合电容,简化滤波与耦合设计。
  • 低静态电流:典型静态电流 1.85 mA,有利于电池供电应用下的待机功耗控制。
  • 低失真与高 PSRR:THD+N 仅 0.05%,PSRR 达 78 dB,保证在电源噪声或线路干扰存在时仍能维持良好的音频保真度。
  • 高效率:典型效率 84%,在中高功率输出时可显著降低发热,延长系统续航并简化散热设计。
  • 宽电压范围:支持 2.6 V 至 5.25 V 的宽供电电压,适配多种电池与系统电源架构。

四、典型应用场景

  • 便携蓝牙音箱、迷你音响系统
  • 智能家居/物联网音频节点(门铃、语音提示器)
  • 可穿戴设备与便携多媒体终端(强调低功耗与小尺寸)
  • 车载信息娱乐子模块(非主功放、大功率输出场合取决于系统需求)
  • 工业与消费类提示音/语音播报模块

五、设计与布局建议

  • 电源去耦:在靠近器件的 VDD 引脚和地之间放置高品质的陶瓷电容(例如 1 μF、0.1 μF 的组合),以抑制瞬态电流与降低纹波。
  • 输入阻抗与差分对:使用差分输入时,注意匹配输入阻抗与走线长度,降低共模噪声耦合;若使用单端输入,可采用差分到单端的转换电路或差分输入其中一端接到地的方式,但需评估对共模抑制与直流偏置的影响。
  • 热管理:尽管效率较高,输出大功率时器件仍会产生热量。保证 PCB 上露焊盘(EP)与底层铜铺接良好以利散热,必要时增加过孔连接到底层散热层。
  • 布线:模拟与功率回路分离,尽量缩短输出回路与扬声器之间的走线,避免与数字信号线平行布线以减少干扰。
  • 保护与 EMC:为保证系统稳定并通过 EMC 测试,可在输出侧配合合适的 EMI 滤波器或小电感与 RC 抑制网络(根据系统测试结果微调)。

六、封装与采购信息

  • 封装:TQFN-16-EP(3 × 3 mm),适合高密度 PCB 布局;外露焊盘用于散热和电气接地。
  • 订购码示例:MAX98307ETE+T(+T 表示卷带供货,便于自动贴片生产)。
  • 典型技术支持:参考厂商数据手册的引脚分配、典型应用电路与 PCB 推荐焊盘设计,以确保性能与可靠性。

总结:MAX98307ETE+T 为针对便携与低功耗音频系统优化的单声道高效功率放大器,凭借差分输入、低失真、低静态电流与高 PSRR 的特性,适合对音质、功耗与体积有较高要求的消费类与工业音频产品。在系统设计时遵循电源去耦、热管理与信号完整性等基本原则,可实现稳定、高保真的音频输出表现。

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