LPA4722 5V, Differential Input, DirectDrive, 215mW Stereo Headphone Amplifiers with Shutdown Preliminary Datasheet

2024-03-04
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■概述:

●LPA4722立体声耳机放大器专为板空间非常宝贵的便携式设备而设计。LPA4722将每个通道高达215mW的功率传输到16Ω 负载或200mW到32Ω 负载并具有低的0.01%THD+N。217Hz电源抑制比(PSRR)为80dB,允许这些设备在无需额外线性调节器的情况下从噪声数字电源中运行。全面的虎尾和爆裂电路可抑制启动和关闭时发出的咔嗒声和爆裂声。低功率关闭模式可将电源电流降至0.1μA。

●LPA4722在单个2.5V至5.5V电源范围内工作,仅消耗5mA电源电流,并在-40℃至+85℃的扩展温度范围内指定。这些设备有微型16引脚TQFN(3mm✕ 3毫米✕0.8mm)封装。

■特征:

●2.5V至5.5V单电源操作
●高PSRR(217Hz时为80dB)消除LDO
●无需大体积直流阻塞电容器
●接地参考输出消除耳机接地引脚上的直流偏置电压
●输出电容器不会降低低频响应
●用于增强噪声消除的差分输入
●194mW到32Ω THD+N=0.1%时5V电源的负载(典型值,每个通道)
●低0.003%THD+N
●短路和热过载保护
●集成点击和弹出抑制
●低静态电流(VDD=5V时为5mA)
●停机控制
●欠压锁定功能
●-40℃至+85℃工作温度范围
●提供节省空间的16-pinTQFN(3mm✕ 3毫米✕ 0.8mm)封装

LPA4722 5V、差分输入、DirectDrive、215mW立体声耳机放大器(带关断功能)初步数据表

微源半导体

LPA4722LPA4722□□□

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Part#

立体声耳机放大器

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便携式设备 ]MP3播放器 ]智能手机 ]手机 ]PDA系统 ]便携式音频 ]笔记本 ]台式电脑 ]平板显示器 ]

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Preliminary Datasheet,数据手册,初步数据表

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详见资料

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TQFN;TQFN-16

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中文 英文 中英文 日文

jul.-2017

1.3 MB

世强先进(深圳)科技股份有限公司
世强硬创平台www.sekorm.com
世强硬创平台电子商城www.sekorm.com/supply/
世强硬创平台www.sekorm.com
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TRANSCEIVER,SGM11108M,SGM8306-2,SGM8306-1,SGM61450,SGM3733B,SGM11108E,SGM852,SGM853,SGM851,SGM5347-12,SGM2558A,SGM2558B,SGM8261-5,SGM2564,SGM8261-1,SGM5347-10,SGM8261-2,SGM2549,SGM48017C,SGM72110,SGM8094,SGM836,SGM8091,SGM837,SGM61220,SGM8092,SGM8093,SGM835,SGM72108,SGM2553,SGM72106,SGM2555,SGM809B,SGM4519,SGM4517,SGM4518,SGM48010,SGM11106C,SGM63600,SGM41611,SGM4520,SGM4521,SGM48005,SGM8417-4,SGM8417-2,SGM4051C,SGM48000,SGM48001,SGM48002,SGM3843A,SGM61433,SGM621,SGM84782,74HC574,SGM58031,SGM620,SGM862,SGM41600,SGM2572,SGM41603,SGM860,SGM2571,SGM51622H,SGM4995,SGM4511,SGM2574,SGM4996,SGM4512,SGM4510,SGM2575,SGM51622D,SGM4515,SGM8T245S,SGM4516,SGM8250-1,SGM8250-2,SGM4514,SGM3209,SGM809,SGM8557-3,SGM8557-1,SGM8557-2,SGM803,SGM61012,SGM804,SGM802,SGM61013,SGM810,SGM811,SGM61007,SGM61006,SGM4782,SGM7237B,SGM8902,SGM8903,SGM8904,SGM4542,SGM8905,SGM4548,SGM4549,SGM3699,SGM4546,SGM4547,SGM48013C,SGM62110,SGM61020,SGM62112,AAP6153A,SGM61022,SGM62111,SGM800,SGM2596,SGM3200,SGM3206,SGM8270-2,SGM3207,SGM4535,SGM3204,SGM8270-4,SGM8T245,SGM829,SGM61230,SGM42512,SGM41664,SGM825,SGM61232,SGM823,SGM61234,SGM824,SGM891B,SGM42507,SGM42506,SGM40567,SGM4560,SGM42505,SGM4561,SGM6503,SGM4566,SGM8925,SGM6502,SGM8926,SGM6501,SGM4564,SGM8927,SGM5349-16,SGM4565,SGM6505,SGM4568,SGM6504,SGM8909,SGM818,SGM890B,SGM816,SGM42501,SGM40565,SGM42500,SGM814,SGM815,SGM812,SGM40560,SGM40561,SGM821,SGM822,SGM61235,SGM820,SGM4551,SGM4552,SGM4550,SGM4555,SGM4556,SGM4553,SGM4554,SGM51652S8,SGM8910,SGM5347-8,SGM4558,SGM11124E,SGM37863A,SGM11124F,74LVC2T45,SGM893B,SGM4581,SGM8941,SGM4582,SGM4583,SGM48521Q,SGM8704,SGM4588,SGMNQ59430,SGM8705,SGM4589,SGM8706,SGM8707,SGM8942,SGM8701,SGM8702,SGM8703,SGM12213A,SGM11210A,SGM61060,SGM2050C,SGM12UB1D2,SGM892B,SGM8276-4,SGM6510,SGM4573,SGM3001,SGM4574,SGM42513,SGM6514,SGM3005,SGM6513,SGM4578,SGM8276-2,SGM3002,SGM6512,SGM42622B,SGM8276-1,SGM3003,SGM6511,SGM4576,SGM8931,SGMOP17C,SGM8932,SGM8933,SGM6516,SGM12214A,SGM8934,SGM6515,SGM11210M,SGMNE20220,74AVC8T245,SGM3141B,SGM61030,SGM42403Q,SGM42553,SGM61032,SGM61031,74HC165,SGM62116,SGM8953-1,SGM62118,SGM8953-2,SGM62117,SGM8708,SGM8709,SGM4075-2,SGM3140B,SGM61040,SGM4075-1,SGM42544,SGM7300A,SGM7300B,SGM42541,SGM42540,SGM8951,SGM8952,SGM8710,SGM4590,SGM5200,SGM38045,SGM38042,SGM6533,SGM8711,SGM8712,SGM8955,SGM38046,SGM8956,SGM2053S,SGM8199L2,LM2904,SGM8199L1,SGM41002,SGM8968-4,SGM8968-2,LM2902,SGM8968-1,SGM8740,SGM8741,SGM8742,SGM2077A,SGM8743,SGM2077B,SGM8263-1,SGM8748,SGM8263-2,SGM8417-1,SGM8749,SGM12CB1A5,SGM8744,SGM40666B,SGM8745,SGM11104S,SGM40666A,SGM8746,SGM8747,SGM41513D,SGM41513A,SGM42561,SGM42560,SGM8957-1,SGM8957-2,SGM42562,SGM5208-14,SGM5223,SGM48018C,SGM11102F,SGM11102G,SGM41512A,SGM37603A,SGM8521,SGM8522,SGM11102S,SGM33685A,SGM5018,SGM33685B,SGM33685C,SGM8524,SGM8604-1,SGM11103E,SGM8604-5,SGM8193A3,SGM11103F,SGM8604-2,SGM8193A2,SGM48019C,SGM8604-3,SGM8193A1,SGM8193A0,SGM37604A,SGM8751,SGM11103S,SGM41007,SGM41008,SGM6332,SGM8750,FT2830P,SGM11212M,SGM41280,SGM41281,SGM41283,SGM5353-16,SGM37891A,SGM41285,SGM41286,SGM7SZ244S,SGM8542,SGM51652H8,SGM8543,SGM8301,SGM8544,SGM8302,SGM8545,SGM51652H4,SGM8541,SGM8429C-4,SGM8304,SGM8607-2,SGM37892A,SGM13003A,SGM8531,SGM8773,SGM8532,SGM8534,SGM8770,SGM8771,SGM8772,SGM8535,SGM8536,SGM8537,SGM12024A,SGM8538,SGM65230,SGM37893A,SGM65231,SGM65232,SGM8969-2,SGM8969-1,SGM13002A,SGM2035C,SGM7232,SGM9128YP,SGM41291,SGM2036S,74LVC1G32Q,SGM13001C,SGM13001B,74LVC138,SGM2581E,SGM8958-2,SGM41295,SGM13001A,SGM8958-1,SGM7222,SGM6132,SGM8554,SGM7223,SGM8555,SGM7224,SGM6130,SGM8556,SGM2581C,SGM8551,SGM7220,SGM2581A,SGM8552,SGM7226,SGM7227,SGM7228,SGM7229,SGM44599,SGM8581,SGM8713A-1,SGM8582,SGM6613A,SGM8584,SGM832B,SGM41282C,SGM832A,SGM8714B-1,SGM8924A,SGM811C,SGM5355-16,SGM7SZ19,74LVC1G125,SGM48535B,SGM89000,SGM7SZ14,SGM811B,SGM48535A,SGM48752X,SGM431VB,SGM2560A,SGM37603,SGM2560B,SGM6611C,SGM15CB1A4,SGM810B,SGM41280A,SGM8591,SGM8592,SGM48753X,SGM9203,SGM6612A,SGM8594,SGM8922A,SGM4T245,SGM48753,SGM48754,SGM48755,SGM48756,SGM51242R8,SGM48757,SCM40668,SGM813B,SGM48759,74AVC4T245,SGM8140,SGM8141,SGM48751,SGM449,SGM48752,SGMNQ07430,SGMPM21330,SGM48510,SGM458,SGM3785S,SGM37864,SGM61720,SGM459,SGM37863,SGM457,SGM8142,SGM452,SGM450,SGM451,SGM05UB1B3,SGM37862,SGM37861,SGM05CB1A8,SGM05CB1A7,SGM812B,SGM05CB1A4,74GTL2005,SGM25881,SGM447,SGM448,SGM446,SGM7SZ244,SGM8478-1C,SGM51242R4,SGM8139,SGM51242R2,SGM3705,SGM48536,SGM48537,SGM48538,SGM48539,SGM5351-16,SGM2588G,SGM2588E,SGM2588K,SGM3712,SGM3713,SGM2588C,SGM3710,SGM3711,SGM2588A,SGM48522,SGM48523,SGM48525,SGM48526,SGM48760,SGMNQ07440,SGM48520,SGM48521,SGM8557-5,SGM71XX,SGM706B,SGM460,SGM3701,SGM3700,SGM3727,SGM3741B,SGM3725,SGM3726,SGMOP07,SGM898,SGM899,SGM896,SGM897,SGM895,SGM4823,SGM2566B,SGM3735,SGM3732,SGM4822,SGM2566A,SGM3716,SGM3740B,SGM48544,SGM4806,SGM3717,SGM48545,SGM3714,SGM3715,SGM4809,SGM4807,SGM3718,SGM4808,SGM3719,74LVC157,SGM48780,SGM48540,SGM48541,SGM48542,SGM48543,SGM37898,SGM51652H,SGM51652D,SGM3720,SGM37891,SGM4812,SGM37892,SGM4810,SGM37895,SGM3749,SGM3747,SGM3748,SGM72204A,SGMNQ40430,SGM,VIRTUAL REALITY,储能系统,OPTICAL FIBER TRANSCEIVER MODULES,智能配件,FACTORY AUTOMATION,锂离子电池化成,MACHINE VISION,ENERGY STORAGE SYSTEMS,AUDIO SYSTEMS,OFFICE AUTOMATION EQUIPMENT,智能手机,5G WIRELESS BASE STATIONS,太阳能逆变器,音频系统,办公室自动化设备,光纤收发器模块,视频系统,LITHIUM ION BATTERY FORMATION,SMART ACCESSORIES,NEW ENERGY VEHICLES,游戏机,新能源汽车,SMART PHONES,VIDEO SYSTEMS,MAJOR HOUSEHOLD APPLIANCES,GAMING CONSOLES,机器视觉,SOLAR INVERTER,工厂自动化,主要家用电器,虚拟实境,5G无线基站

2024/6/11  - 选型指南 代理服务 技术支持 采购服务

微源半导体(LPSemi)电源芯片/音频功放/MOS管/协议芯片选型指南

公司简介    电源芯片    协议芯片    音频功放    MOS管   

微源半导体  -  MOSFET,MOSFET TRANSISTOR,OVP ICS,低压降压控制器,IPM,协议芯片,电池充电芯片,ASYN. BOOST DC/DC CONVERTERS,OVER VOLTAGE PROTECTION IC,CLASS X AMPLIFIERS,快速充电器协议IC,D类放大器,全桥驱动芯片,交流/直流,MOSFET DRIVER,模拟芯片,CURRENT PROTECTION IC,VCOM操作,智能功率模块,CMOS LDO,可编程伽马缓冲器,同步升压转换器,升压DC/DC转换器,电池保护芯片,FLASH LED DRIVER,VCOM OP,N + PMOS,N+PMOS,背光白光LED驱动器IC,背光白光LED驱动器,BATTERY CHARGER IC,MOS DRIVER,POWER MANAGERMENT ICS,X类放大器,升压IC,LED驱动芯片,快充协议芯片,PWU,OCP集成电路,电平移位器,USB POWER AND INTEGRATED LOAD SWITCH,高压输入降压控制器,低压输入降压控制器,高压降压转换器,闪光灯驱动,F类放大器,AC/DC,音频放大器,BATTERY CHARGER (FAST CHARGER) ICS,液晶显示屏专用电源管理芯片,电源芯片,N MOS,降压控制器,降压芯片,LV BUCK DC/DC CONVERTERS,CMOS双通道LDO,音频功放芯片,电源管理集成电路,电压检测/复位芯片,电平转换芯片,FULL BRIDGE CHIP,闪光灯驱动芯片,电源管理芯片,P MOS,交流/直流转换芯片,放大器,高压降压DC/DC转换器,电池充电器(快速充电器)IC,CHARGER ICS,AUDIO AMPLIFIERS,AUDIO AMPLIFIERS ICS,RESET IC,POWER CONVERTER,电源开关,复位IC,POWER CURRENT PROTECTION IC,OVP ICS,CLASS F AMPLIFIERS,半桥芯片,过压保护芯片,电池保护IC,快充芯片,线性充电芯片,锂电池充电芯片,场效应管,楼宇管理系统集成电路,BATTERY PROTECTION IC,高压运算放大器,开关充电器,AUDIO AMPLIFIERS ICS,MOS驱动,BMS ICS,OCP ICS,过流保护芯片,HALF BRIDGE CHIP,SWITCHING CHARGER,D类功放,CMOS 2-CHANNEL LDO,双通道线性稳压器,AB类放大器,OVP集成电路,FLASH WHITE-LED DRIVER,电池管理芯片,BOOST ICS,FAST CHARGER PROTOCOL IC,USB负载开关,线性充电器,BOOST DC/DC CONVERTERS,MOS驱动芯片,电池管理系芯片,LINEAR CHARGER,BMS ICS,BATTER CHARGER ICS,BUCK CONTROLLER,电流保护集成电路,FAST CHARGER ICS,OCP ICS,奥普,音频功放,升压转换器,LEVEL SHIFTER,全桥芯片,BACKLIGHT WHITE-LED DRIVER ICS,快速充电器,电池管理系统芯片,MOSFET,USB电源和集成负载开关,QC2.0协议芯片,BOOST ICS,升压芯片,CLASS AB AMPLIFIERS,高压降压控制器,CLASS D AMPLIFIERS,闪烁白光LED驱动器,电池充电器IC,电压检测器,POWER SWITCH PROTECTION IC,N型MOS,背光驱动,HV BUCK DC/DC CONVERTERS,电压检测芯片,电源转换器,QC3.0协议芯片,低压降压转换器,屏显示电源芯片,F类功放,低压降压DC/DC转换器,LCD BIAS IC,VOLTAGE DETECTOR,同步。DC/DC转换器,VOLTAGE DETECTOR IC,POWER SWITCH,MOS管驱动芯片,LDO,PD协议芯片,背光驱动芯片,BACKLIGHT WHITE-LED DRIVER,FAST CHARGER,BUCK ICS,OP,SYN. DC/DC CONVERTERS,BOOST CONVERTER,锂电保护芯片,MOSFET驱动器,X类功放,MOSFET晶体管,阿辛。升压DC/DC转换器,复位芯片,闪光灯LED驱动器,PMIC,半桥驱动芯片,POWER MANAGEMENT ICS,屏偏压芯片,MOS管,BACKLIGHT WHITE LED-DRIVER ICS,AB类功放,线性稳压器,PMU,音频放大器IC,过压保护IC,LP5300C,LP7854A,LP5300F,LPB1001,LP6281,LPB1002,LP6282,LP6283,LP6284,LP7800HA,LP6285,LP7800HB,LP6286,LPM9030A,LP28400A,LP28303A,LP5301A,LP6452AF,LP6270,LP3352T,LPB1009,LP6304B,LP6452AT,LPB1006,LPB1003,LP7864H,LP5300A,LP7852A,LP78073A,LPA4722,LP4069HT,LPM9040A,LP6299,LPB2105,LPB2106,LPA4732,LP6291,LP6294,LP6295,LP6296,LP6298,LP6288,LP6289,LP28058,LP6453AT,LPM8205,LP28055,LP28056,LP3803,LP78070F,LP78070S,LP3809,LP3808,LP6215A,LPM9435,LP3818C,LPA4809,LP6226A,LP64920F,LP28021,LP3811,LP3810,LP6212A,LP28013,LP28014,LP28011,LP4068T,LP6453F,LP6453A,LPA2010,LP4068H,LP4056H,LPM9926,LP6453T,LP4069T,LP6452F,LP6452A,LP4021A,LP4069H,LPB1010H,LP4069P,LP4069PT,LP28013S,LP3989,LP3988,LP6451F,LP3986,LP3985,LP28013H,LP3984,LP3981,LP3980,LP6221A,LP28014A,LP4030HA,LPA2153,LP4030HB,LPA2154,LP28014H,LP4054H,LP4030HC,LP4030HD,LP7806K2,LP4067T,LP28014S,LP6462H,LP7806K4,LP6450F,LP6498H,LP6220A,LP6498A,LP4068A,LP6498B,LP4055A,LPA2163,LPA2164,LPA2165,LPA2010S,LP28015A,LPA2160,LPA2161,LP28019S,LPA4990,LPA4871,LP4076E,LP4076H,LP105,LP6230B,LP3996,LP3995,LP3994,LP6230C,LP3993,LP3992,LP3991,LP28300C,LP28300B,LP28300A,LPA2100,LPA2101,LPA2102,LPA2103,LP7855XA,LP28009A,LP102,LP3307,LP6253H,LP3302,LP3301,LPA2108,LPA4891,LPA4890,LPA2110,LP4062A,LP3988H,LP6495*,LP2206,LP4063S,LP1115,LP4051T,LP2203,LP1113,LP2202,LP2201,LP1111,LP1110,LP6470T,LP28019B,LP3209,LP6493F,LP3204,LP4060S,LP3202,LP3201,LP3321,LP3320,LP7855SH,LP28601,LP4060A,LP7801,LP102A,LP4072H,LP3318,LP6492F,LP3317,LP3986H,LP3316,LP3315,LPA2101A,LP3310,LP28057A,LP28021A,LP6453TF,LP28021D,LP64933,LP3987H,LP4073H,LPM3413,LPM3414,LP6261H,LP3983H,LP5280S,LP3983S,LP6297B,LP6452ATF,LP3102,LP3101,LP3100,LP103S,LP6297A,LP3220,LP103Q,LP3350,LP6261S,LP4070E,LP78080,LP6490F,LP3219,LP3218,LPM3407A,LP3211,LP7811,LP6260S,LP7810,LP7813,LP7815,LP62610,LP78070,LP78071,LPS100,LP6260M,LP4080H,LP3981H,LP3368,LP28011H,LP3366,LP3120,LPW5210,LPW5211,LPA2173,LPA2174,LPW5213,LP5300,LPA2175,LP5301,LPA2176,LP5302,LP5303,LP3981S,LP5304,LP5305,LP5306,LP5308,LP5309,LPA2171,LPA2172,LP3982S,LP28014SE,LP3354,LP3353,LP3352,LP3110,LPW5220,LP3351,LP28013A,LP7804T,LP4081H,LP7801TE,LP28021S,LPA2110A,LP28021H,LP7855MF,LP3384,LP28021HD,LP7862,LP7861,LP7864,LP7863,LP28058F,LP7866,LP3390,LP7865,LP7867,LP1115B,LP1115A,LP3980H,SUPER22,LP6280A,LP7860,LP3383,LP7850,LP3382,LPW5201,LP7853,LP6400,LP7802T,LP7852,LP3380,LPW5203,LP7855,LP7855MH,LP6402,LPW5204,LP6403,LP6280S,LPW5206,LP7856,LP3980S,LPW5207,LP7859,LP3993B,LPW5208,LP7858,LPW5209,LP5308M,LP4020,LP7801T,LP6310,LP6312,LPM9007,LP7801L,LP6291H,LP7801D,LP3990A,LPA4722A,LP7800S,LP6301,LP6401F34,LP6302,LP6303,LP7812B,LP7812C,LP7812A,LPM9030,LPM9031,LP4040,LP6460,LP6461,LP6342,LP6453,LPM9026,LP6212,LP6454,LPM9022,LP6216,LPM9024,LP6218,LP1111A,LP7859A,LPM9021,LP3201S,LP4030,LP6450,LP5240,LP6451,LP5241,LP6452,LPM9015,LP6201,LPM9017,LPA8003S,LP7810A,LPW5202XX,LP53050,LP4060,LP6480,LP4061,LP6240,LP6482,LP4063,LP6483,LP4065,LPA2104A,LPM9050,LP4055,LP4057,LP6235,LP6236,LP4059,LP6238,LP6239,LP7857M,LP5305A,LPA2104S,LPM4953,LP7857H,LP5305F,LPM9040,LP5380,LPM9042,LP6470,LP4051,LP28052H,LP6471,LP4052,LP4053,LPM3401A,LP6222,LP6223,LP6224,LP6225,LP28053A,LP6226,LPM9033,LP6229,LP5304A,LP5304C,LP7820A,LPM3406,LPM3407,LP4081,LP4082,LP6260,LP6261,LP4077,LP7855S,LP6255,LP6497,LP4078,LP6256,LP3220S,LP6257,LP6401F24,LP7855M,LPM9029C,LPM3400,LPM3401,LP5303A,LP3100A,LP5301F,LP4070,LP6490,LP5280,LP6491,LP4072,LP6492,LP4073,LP6493,LP4074,LP6252,LP6494,LP4075,LP4076,LP6496,LP4066,LP4067,LP7854S,LP4068,LP4069,LP7854H,LPM2301,LP7800K4,LP5314A,LPM2302,LP7800K2,LP3367A,无线XDSL,CAR ELEC,平板液晶电视,电力,TABLET LCD TV,DISPLAYS,消费类产品市场,蓝牙,电脑周边产品市场,DSC,CD ROMS,HANDHELD COMPUTERS,扬声器,物联网,BATTERY MANAGEMENT,无线路由器,监护仪,T-CON电源,通讯类产品市场,电池系统,显示器,磁盘驱动器,PERIPHERALS,光盘,个人穿戴系统,ROUTER,MID,LCD TV,DVD ROMS,GAME MACHINE,电源管理,3摄氏度,NOTEBOOKS,DISK DRIVES,穿戴式产品市场,物联网产品市场,HANDHELD,PANEL POWER MANAGEMENT,台式机,WIRELESS LAN,DVD只读存储器,BLUETOOTH,智能电话,通讯,手持式,PANEL POWER,T-CON POWER,电源转换,笔记本,显示系统,SMARTPHONES,WIRELESS ROUTER,MONITOR,手持式计算机,穿戴式产品,智能手机,TABLET,无线通讯系统,SPEAKER,SMART PHONE,汽车选举,WIRELESS XDSL,无线-局域网,消费类产品,游戏机,XDSL,3C,外围设备,PMP,面板电源管理,DESKTOPS,电源,电脑周边,面板电源,电池管理,POWER

2023/2/24  - 选型指南 代理服务 技术支持 采购服务

微源半导体LP7812、LP5308、LPA4722A等产品,被应用在小米、QQ音乐等众多品牌的蓝牙耳机产品中

微源半导体在蓝牙耳机领域有着成熟完整的解决方案,包括PMU、OVP、Charge、Boost、LDO、高保真耳机功放等,特别是HERO charge系列其自动电压跟随功能提升效率从而提升产品续航时间,给客户带来了优异的产品体验和品牌价值,获得了众多品牌青睐。本文由微源半导体介绍LP7812、LP5308、LPA4722A等产品的特点、应用及选型

2024-08-15 -  应用方案 代理服务 技术支持 采购服务

5V, Differential Input, DirectDrive, 215mW Stereo Headphone Amplifiers with Shutdown

LowPowerSemi‘s LPA4722 stereo headphone amplifiers are designed for portable equipment where board space is at a premium. The LPA4722 deliver up to 215mW per channel into a 16Ω load or 200mW into a 32Ω load and have low 0.01% THD+N. An 80dB at 217Hz power-supply rejection ratio (PSRR) allows these devices to operate from noisy digital supplies without an additional linear regulator. Comprehensive anticlick-and-pop circuitry suppresses audible clicks and pops on startup and shutdown. A low-power shutdown mode reduces the supply current to 0.1µA.

2021-07-30 -  新产品 代理服务 技术支持 采购服务

【应用】LPS音频功放选型要点分析及微源半导体音频功能方案在IPC的应用

随着语音播放、交互功能的不断普及,在各类民用电子产品中,音频模块越来越成为必备的一部分。由于音频部分直接影响终端客户的使用体验,音频功放的设计也需要进行更多的考虑和取舍。市面上产品琳琅满目,各类产品的功能要求和侧重点也不尽相同,设计者需要根据具体应用选择最合适的音频放大器方案,熟悉各种可用的音频放大器类型及其特征也非常重要。

2022-07-29 -  应用方案 代理服务 技术支持 采购服务

微源半导体耳机功放芯片LPA4722A,ESD HBM可达2KV,广泛应用于头戴式耳机,领夹式麦克风,直播机

LPA4722A一款专门为耳机设计的差分输入立体声音频功率放大器,它兼容MAX97220/A和SGM4917A。LPA4722A耳机功放芯片的输入电压范围为2.5V-5.5V,在217Hz时PSRR高达80dB,在输入电压为5V和THD+N为0.1%时驱动16欧喇叭可以达到215mW,驱动32欧喇叭可以达到194mW。

2023-10-26 -  原厂动态 代理服务 技术支持 采购服务

LPA4722AQVF PCBLIB&SCHLIB&INTLIB

微源半导体  -  耳机放大器,HEADPHONE AMPLIFIERS,LPA4722AQVF

2023/11/2  - CAD模型库 代理服务 技术支持 采购服务

想找一个立体声耳机放大器,5V差分输入,工作温度-40~85,小封装,国产,功率在200mW左右。

您好,推荐世强代理的国产微源的LPA4722,LPA4722 每通道向 16Ω 负载提供高达 215mW 的功率。217Hz 时的 80dB 电源抑制比 (PSRR) 允许这些器件在噪声数字电源下工作,而无需额外的线性稳压器,16 引脚 TQFN (3mm ✕ 3mm ✕ 0.8mm) 封装。规格书见附件:https://www.sekorm.com/news/45078322.html

2022-09-28 -  技术问答 代理服务 技术支持 采购服务

MAX9724C/MAX9724D低射频敏感度DirectDrive立体声耳机放大器,具有1.8v兼容关断功能

MAXIM  -  LOW RF SUSCEPTIBILITY DIRECT DRIVE STEREO HEAD-PHONE AMPLIFIER,立体声耳机放大器,STEREO HEADPHONE AMPLIFIERS,低射频敏感度直接驱动立体声耳机放大器,MAX9724D,MAX9724CETC+,MAX9724C,MAX9724DETC+,MAX9724DEBC+T,MAX9724CEBC+T,DVD播放机,PDAS,手机,HANDHELD GAMING CONSOLES,手持游戏机,PDA系统,MP3播放器,NOTEBOOK PCS,CELLULAR PHONES,DVD PLAYERS,MP3 PLAYERS,智能手机,笔记本电脑,SMART PHONES

5/08  - 数据手册  - Rev 0

MAX9851/MAX9853立体声音频编解码器,带麦克风、DirectDrive耳机、扬声器放大器或线路输出

MAXIM  -  STEREO AUDIO CODECS,立体声音频编解码器,MAX9851,MAX9851ETM+,MAX9853ETM,MAX9853ETM+,MAX9853,MAX9851ETM,PDAS,GPRS CELL PHONES,EDGE手机,PDA系统,智能手机,GSM手机,GPRS手机,EDGE CELL PHONES,SMARTPHONES,GSM CELL PHONES

7/07  - 数据手册  - Rev 2

MAX9725 1V、低功耗、DirectDrive、带关断功能的立体声耳机放大器

MAXIM  -  1V,低功耗,DIRECTDRIVE,立体声耳机放大器,1V, LOW-POWER, DIRECTDRIVE, STEREO HEADPHONE AMPLIFIER,FIXED-GAIN, STEREO HEADPHONE AMPLIFIERS,固定增益立体声耳机放大器,MAX9725BEBC+TG45,MAX9725E,MAX9725,MAX9725C,MAX9725D,MAX9725AEBC+TG45,MAX9725A,MAX9725AETC+,MAX9725B,MP3 PLAYERS,PDAS,手机,板空间非常宝贵的便携式设备,PDA系统,智能手机,便携式音频设备,SMART PHONES,MP3播放器,PORTABLE AUDIO EQUIPMENT,PORTABLE EQUIPMENT WHERE BOARD SPACE IS AT A PREMIUM,CELLULAR PHONES

3/09  - 数据手册  - Rev 4
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