MAX9875 有低RF干扰敏感度的单声道音频子系统，带有D
max9875 具有低rf干扰敏感度的单声道音频子系统，带有directdrive耳机放大器
数据资料
the max9875 combines a high-efficiency class d audio power amplifier with a stereo class ab capacitorless directdrive® headphone amplifier. maxim’s 3rd generation, filterless class d amplifier with active emissions limiting technology provides class ab performance with class d efficiency.
the max9875 delivers up to 725mw from a 3.7v supply into an 8&937; load with 87% efficiency to extend battery life. the filterless modulation scheme combined with active emissions limiting circuitry and spread-spectrum modulation greatly reduces emi while eliminating the need for output filtering used in traditional class d devices.
the stereo class ab headphone amplifier in the max9875 uses maxim’s patented directdrive architecture, that produces a ground-referenced output from a single supply, eliminating the need for large dc-blocking capacitors, saving cost, space, and component height.
the device utilizes a user-defined input architecture, three preamplifier gain settings, an input mixer, volume control, comprehensive click-and-pop suppression, and i2c control.
the max9875 is available in a thermally efficient, space-saving 20-bump wlp package.
关键特性
low emissions, filterless class d amplifier
achieves better than 10db margin under en55022 class b limits
low rf susceptibility design rejects tdma noise from gsm radios
input mixer with user-defined input mode
725mw speaker output (rspk = 8ω, pvdd = 3.7v)
53mw headphone output (rhp = 16ω, vdd = 3.7v)
low 0.05% thd+n at 1khz (class d power amplifier)
low 0.016% thd+n at 1khz (headphone amplifier)
87% efficiency (rspk = 8ω, pout = 750mw)
high speaker amplifier psrr (72db at 217hz)
high headphone amplifier psrr (84db at 217hz)
i2c control
hardware and software shutdown mode
click-and-pop suppression
current-limit and thermal protection
available in a space-saving, 2.5mm x 2.0mm wlp package
应用/使用
蜂窝电话
便携式多媒体播放器
max9875 pdf datasheet (low rf susceptibility mono audio subsystem)
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MAX9875 有低RF干扰敏感度的单声道音频子系统，带有D
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数据资料
the max9875 combines a high-efficiency class d audio power amplifier with a stereo class ab capacitorless directdrive® headphone amplifier. maxim’s 3rd generation, filterless class d amplifier with active emissions limiting technology provides class ab performance with class d efficiency.
the max9875 delivers up to 725mw from a 3.7v supply into an 8&937; load with 87% efficiency to extend battery life. the filterless modulation scheme combined with active emissions limiting circuitry and spread-spectrum modulation greatly reduces emi while eliminating the need for output filtering used in traditional class d devices.
the stereo class ab headphone amplifier in the max9875 uses maxim’s patented directdrive architecture, that produces a ground-referenced output from a single supply, eliminating the need for large dc-blocking capacitors, saving cost, space, and component height.
the device utilizes a user-defined input architecture, three preamplifier gain settings, an input mixer, volume control, comprehensive click-and-pop suppression, and i2c control.
the max9875 is available in a thermally efficient, space-saving 20-bump wlp package.
关键特性
low emissions, filterless class d amplifier
achieves better than 10db margin under en55022 class b limits
low rf susceptibility design rejects tdma noise from gsm radios
input mixer with user-defined input mode
725mw speaker output (rspk = 8ω, pvdd = 3.7v)
53mw headphone output (rhp = 16ω, vdd = 3.7v)
low 0.05% thd+n at 1khz (class d power amplifier)
low 0.016% thd+n at 1khz (headphone amplifier)
87% efficiency (rspk = 8ω, pout = 750mw)
high speaker amplifier psrr (72db at 217hz)
high headphone amplifier psrr (84db at 217hz)
i2c control
hardware and software shutdown mode
click-and-pop suppression
current-limit and thermal protection
available in a space-saving, 2.5mm x 2.0mm wlp package
应用/使用
蜂窝电话
便携式多媒体播放器
max9875 pdf datasheet (low rf susceptibility mono audio subsystem)
2.4G天线如何设计_2.4G天线设计过程详解
超灵敏双通道正交霍尔效应双极开关A1230
电动机自耦降压启动原理及注意事项
基于一个确定性小工具的计划将加强以太坊1.0链的安全性
TCL华星新款显示器展示，刷新率最高可达240Hz
MAX9875 有低RF干扰敏感度的单声道音频子系统，带有D
保障物联网OTA固件安全 华邦与合作伙伴推出云到端解决方案
燧原科技发布基于OAI的E级液冷人工智能系统解决方案
锡膏不上锡，活性越多越好吗？
【蜂窝物联】智慧果园解决方案
高性能频谱分析仪时域测量原理
AMD RX 6000系列缺货被称作虚空显卡
欠压保护器老是跳闸是怎么回事 开关电源欠压保护电路设计
华为mate10什么时候上市?华为mate10最新消息:华为Mate10再次被确认,这才是华为的真正水平
寒武纪的前世今生与未来你知道吗？
影响薄膜电容器性能的原因有哪些
Tt曜越发布新款Tt G821飞行家机械键盘 可同时连接三台蓝牙设备
超宽范围输入的开关电源电路设计
【技能秒get】如何使用MATLAB一键制作mif文件
替代水浸泡水法，气密性检测仪成产品防水测试首选方案