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Maxim的音频产品具有创新性,在不降低音质的前提下提供高效指标。这些产品具有业内最佳的THD、PSRR和省电特性,不存在EMI、RF干扰以及咔嗒/砰然声等音频设计的潜在问题。

扬声器放大器

Maxim的扬声器放大器IC具有优异的音质,突破的创新技术可简化设计流程、节省空间、延长电池使用寿命、降低系统成本。

专业音频 IC

Maxim全面的专业级音频器件能够针对众多的音频设计挑战提供极具创新的解决方案。

技术文档

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Technical Documentation

技术文档

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器件号 标题 文件类型 日期

PUI Audio Delivers Clean, Clear Sound from Tiny Speakers

November 14, 2019

Learn how PUI Audio uses the MAX98390 smart amplifier to deliver louder, richer sound from its micro speakers. Find the latest smart amplifiers today.

How to Drive Micro Speakers to Their Maximum Power Rating

October 24, 2019

Learn how Smart Audio Amplifiers enhance Micro Speakers and get the maximum power rating to achieve louder sound and more bass.

How to Get Louder, Richer Sound from Micro Speakers

July 25, 2019

Learn how new boosted, digital Class D smart amplifier, MAX98390, enables you to deliver louder, richer sound from micro speakers.

Stop Straining Your Portables—Refine Your Power Strategies

August 07, 2018

Maxim's MAX98357 audio amplifier paired with Raspberry Pi form the foundation for high-quality audio applications.

Making Sweet Music with Raspberry Pi

July 03, 2018

Maxim's MAX98357 audio amplifier paired with Raspberry Pi form the foundation for high-quality audio applications.

A Better Listening Experience Starts with the Right Stereo Audio Codec

June 21, 2018

Designing hearables and wearables? Get tips for choosing the right stereo audio codec for better audio quality and longer battery life.

LED Bulb Inspires Creation of Maintenance-Free Cybernetic House

June 19, 2018

What's the 40-year house? It's miserly on energy use, maintenance-free for four decades, and anticipates its occupants' needs.

Why Your Audio DAC or Digital Amp Should Spec Dynamic Range Instead of SNR

May 17, 2018

Understand why your audio DAC or digital amp should meet the specs for dynamic range instead of signal to noise (SNR).

Want Your Oven to Play Your Favorite U2 Song?

August 01, 2017

Experts share tips for building speaker systems, whether they’re for standalone use or integrated into, say, an appliance or mobile device.

Flexound Systems Brings Immersive Dimension to Music

June 15, 2017

Flexound Systems uses Maxim audio amplifiers in its Flexound Xperience module, which merges audio and vibration technologies.

特色产品

MAX98355B 数字脉冲编码调制(PCM)输入的D类功率放大器

MAX98355A/MAX98355B为数字脉冲编码调制(PCM)输入的D类功率放大器,具有AB类放大器的音频性能和D类放大器的效率。IC通过一个增益选择输入(GAIN)引脚提供五种可选择的增...
  • 单电源供电(2.5V至5.5V)
  • 5V供电时,为4Ω负载提供3.2W输出功率
  • 2.2mA静态电流
  • 92%效率(RL = 8Ω,POUT = 900mW,VDD = 3.7V)
  • 25µVRMS输出噪声(AV = 15dB)
  • 0.013%超低THD+N,1kHz
  • 无需MCLK
  • 8kHz至96kHz采样速率
  • 支持左声道、右声道或(左声道 + 右声道)/2输出
  • 边沿斜率控制技术支持无滤波D类放大器设计
  • 77dB PSRR,217Hz
  • 较高的RF抑制,有效抑制GSM无线设备的TDMA噪声
  • 完备的喀嗒声抑制电路
  • 可靠的短路保护和热保护
  • 提供节省空间的封装: 1.345mm x 1.435mm WLP (0.4mm间距)

MAX98355A 数字脉冲编码调制(PCM)输入的D类功率放大器

MAX98355A/MAX98355B为数字脉冲编码调制(PCM)输入的D类功率放大器,具有AB类放大器的音频性能和D类放大器的效率。IC通过一个增益选择输入(GAIN)引脚提供五种可选择的增...
  • 单电源供电(2.5V至5.5V)
  • 5V供电时,为4Ω负载提供3.2W输出功率
  • 2.2mA静态电流
  • 92%效率(RL = 8Ω,POUT = 900mW,VDD = 3.7V)
  • 25µVRMS输出噪声(AV = 15dB)
  • 0.013%超低THD+N,1kHz
  • 无需MCLK
  • 8kHz至96kHz采样速率
  • 支持左声道、右声道或(左声道 + 右声道)/2输出
  • 边沿斜率控制技术支持无滤波D类放大器设计
  • 77dB PSRR,217Hz
  • 较高的RF抑制,有效抑制GSM无线设备的TDMA噪声
  • 完备的喀嗒声抑制电路
  • 可靠的短路保护和热保护
  • 提供节省空间的封装: 1.345mm x 1.435mm WLP (0.4mm间距)

MAX9895A 有源噪声抑制耳机放大器子系统

The MAX9895A is a complete audio subsystem for active noise-cancelling (ANC) stereo headphones a...

MAX98396EVSYS MAX98396 评估系统

MAX98396评估系统(EV系统)用于评估MAX98396单声道、D类音频放大器,MAX98396具有动态裕量跟踪(DHT)以及时钟和数据监测功能。评估系统包括MAX98396评估板(DEV...
  • 完备的硬件系统,设置简单、无需工具或特殊设备
  • 评估软件兼容Windows® 7/10,提供易于使用的图形用户界面(GUI)
    • 可完全访问所有硬件寄存器

MAX98372TEVSYS Evaluation System for the MAX98372 (TQFN)

The MAX98372 Evaluation System (EV system) evaluates the MAX98372 digital input Class D speaker ...

MAX98396 20V、数字输入、DG类放大器,具有I/V检测和防掉电功能

MAX98396为高效、单声道DG类扬声器放大器,具有业界领先的超低静态功耗,提供I/V检测、防掉电引擎(BPE)和动态裕量跟踪(DHT)。这款IC具有高达192kHz采样率、较宽的通带(fs...
  • 较宽的输入电压范围(3.0V至20V)
  • DG类放大器架构实现业界领先的超低静态功耗
    • 12.7mW @ VPVDD = 12V,VVBAT = 3.8V
    • 18mW @ VPVDD = 19V,VVBAT = 5.0V
  • 超低噪底
    • 15.5μVRMS输出噪声
    • 118dB动态范围
  • 低失真
    • -82dB THD+N @ 1W,8Ω负载,f = 1kHz
    • -76dB THD+N @ 1W,8Ω负载,f = 6kHz
  • 1% THD+N时,输出功率:
    • 20W @ 8Ω负载,VPVDD = 19V
    • 19W @ 4Ω负载,VPVDD = 14V
  • 可为4Ω扬声器提供60W输出功率(VPVDD = 19V)
  • 扬声器放大器工作效率:
    • 87% @ 1W (8Ω负载,VPVDD = 12V,VVBAT = 3.8V)
    • 83% @ 1W (4Ω负载,VPVDD = 12V,VVBAT = 3.8V)
    • 83% @ 1W (8Ω负载,VPVDD = 19V,VVBAT = 5.0V)
    • 91% @ 20W(8Ω负载,VPVDD = 19V,VVBAT = 5.0V)
  • EMI抑制可省去D类放大器输出滤波器
  • 扩频调制
  • 开关摆率限制
  • 集成扬声器电流和电压检测,无需外部检测元件
  • 灵活的防掉电引擎
  • I2S/16通道TDM和I2C数字接口
  • 回放支持16、24和32位数据字
  • 为回放和IV检测提供高达192kHz的采样率
  • 动态裕量跟踪保证一致的视听体验
  • 全面的咔嗒/噼噗声抑制
  • 35焊球、WLP封装(0.4mm焊距)

MAX98360DEVSYS-FCQFN Evaluation Systems for the MAX98360A/MAX98360B/MAX98360C/MAX98360D

The MAX98360 evaluation systems (EV systems) are fully assembled and tested systems that evaluat...

MAX98360CEVSYS-FCQFN Evaluation Systems for the MAX98360A/MAX98360B/MAX98360C/MAX98360D

The MAX98360 evaluation systems (EV systems) are fully assembled and tested systems that evaluat...

MAX98360BEVSYS-FCQFN Evaluation Systems for the MAX98360A/MAX98360B/MAX98360C/MAX98360D

The MAX98360 evaluation systems (EV systems) are fully assembled and tested systems that evaluat...

MAX98360AEVSYS-FCQFN Evaluation Systems for the MAX98360A/MAX98360B/MAX98360C/MAX98360D

The MAX98360 evaluation systems (EV systems) are fully assembled and tested systems that evaluat...

参考设计

MAXREFDES1220: Bootstrapped, 5V/2A, Step-Up DC-DC Converter with 90% Efficiency Using the MAX16990

This reference design boosts a single-cell battery voltage input to a 10W output using the MAX16...

Simple Wireless Bluetooth Stereo Audio System for Outdoor Use

This application note describes how to build a simple and low-cost wireless Bluetooth stereo aud...

Using a DS1802 Pushbutton Digital Potentiometer to Create an Audio Preamplifier with Attenuator

This application note describes using the DS1802 pushbutton digital potentiometer to build an ad...