【经验】音频失真测量方法及Silicon Labs D类音频放大器音质交互式演示Demo
音频放大信号从频谱上分析,除了基波及各次谐波外,还有噪声的影响。音频设备噪声是随机噪声,通常用宽带白噪声表示。音频设备始终存在噪声,采用各种方法只能减小噪声而无法根本消除噪声。如图所示为包含宽带白噪声的音频放大信号频谱示意图。
判断音频设备音质的失真可以测量很多技术指标,目前最常用的失真测量方法是总谐波失真加噪声(THD+N)技术。THD+N是英文Total Hormonic Distorion + Noise的缩写,即“总谐波失真加噪声”。它是音频设备的一个重要性能指标。
由于在音频设备中,除了电子元器件的非线性导致的谐波失真,还有器件的噪声造成的影响。如果某台音频设备的总谐波失真满足国家/行业标准,但噪声较大,信噪比不达标,其技术指标仍然不能达到要求,因此仅用总谐波失真是不够的,还应考虑噪声的影响因素。THD+N比其他的失真测量更能说明音频设备的指标,用测量数据证明音频设备性能是最有说服力的。
THD+N用相对于信号电平的方法表示的,国内标准用百分比表示,即THD+N占基波能量的百分比。THD + N通常使用特殊的音频分析仪测量,这是一种特殊的频谱分析仪,带有可切换滤波器。测量时在放大器处输入正弦信号,并查看其与放大器输出端的总功率谱相关的输出功率。由于放大器的音质很大程度上取决于所选的放大器(输出功率)和频率放大,因此必须在不同功率和不同频率下进行测试。
如图所示为THD+N音频分析仪测试原理图,音频信号经过增益选择、跟踪陷波滤波、带陷滤波、RMS检测器等处理后得出。在工作时,陷波器跟踪正弦波的基波频率上,基波被很大衰减,而谐波、宽带噪声和任何其他处在陷波器频率上下的干扰信号则可以无衰减地通过。
图二:THD+N音频分析仪测试原理图
SILICON LABS公司的Si8241/44芯片在单芯片上集成了几乎所有D类音频放大器的先进特性,从性能、体积、成本各方面来说,都是音频设计者的理想选择。Si8241/44芯片拥有高达8MHz的调制工作频率,能实现最佳THD。该芯片还具有>100 V/ns的高门槛噪声免疫能力,而且输入和输出完全隔离,将噪声影响降到最低。此外,芯片内部集成了一个可编程死区时间控制门,可以进行精确的可编程死区控制,使其达到尽可能低的总谐波失真和最佳效率的平衡。
为了让用户了解该芯片的优异的总谐波失真和噪声特性,Silicon Labs公司提供一个D类音频驱动程序交互式演示工具,可以在可听频谱上查看Si824x D类音频驱动器的音质表现。该演示显示了总谐波失真+噪声(THD + N)比,这是声音音频放大器的通用测量。120W是完全(100%)功率。
笔者试验了几个不同音频输出功率下的总谐波失真+噪声(THD + N)比模拟测试结果,聆听着悦耳的音乐,感受下Si8241/44超级D类音频放大芯片带给我们的震撼!
图三:12W输出功率时的总谐波失真+噪声(THD + N)
图四:48W输出功率时的总谐波失真+噪声(THD + N)
图五:72W输出功率时的总谐波失真+噪声(THD + N)
图六:120W输出功率时的总谐波失真+噪声(THD + N)
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BGA120,C8051F531-C-AT,C8051F854-C-GM,C8051F022,C8051F021,SI4831,C8051F023,SI2415,C8051F854-C-GU,SI4835,SI2417,SI4836,EFM32WG290FX - BGA112,SI2169-C,TS1101-100,SI8455BA-B-IU,C8051F040,C8051F042,C8051F041,EZR32WG330F128R69G,SI8232AB-B-IS1,C8051F344-GQ,SI8662EC-B-IS1,SI4840,SI8452AA-B-IS1,C8051F701-GQ,SI4844,C8051F502-IM,C8051F575-IM,SI88622ED-IS,C8051F502-IQ,CP2201,CP2200,EFM32LG942FX - QFP64,SI8641BB-B-IS,EFM32GG942FX - QFP64,SI8655BB-B-IS1,SI8400AB-B-IS,SI8030AA-B-IU,C8051F587-IM,C8051F206,C8051F587-IQ,EFM32TG840FX - QFN64,SI8460AA-B-IS1,C8051F500-IQ,EZR32WG230F64R61G,C8051F546-IM,C8051F500-IM,EZR32WG330F128R67G,SI8660AB-B-IS1,C8051F827-GS,C8051F988-GU,SI52142,SI52143,SI7050,SI52144,SI7055,SI7054,SI7053,C8051F567-AQ,C8051F590-AM,C8051F567-AM,C8051F988-GM,SI8450BA-B-IS1,SI7023-A20-IM1,SL28EB742,SI8231BD-B-IS,C8051F855-C-GU,EZR32WG230F128R63G,EZR32LG230F64R68G,SI8631BC-B-IS1,C8051F300-GM,SI52111,SI52112,SI8920AD-IS,C8051F855-C-GM,SL28EB740,EFM8SB20F16G-A-QFN24,SI8641BB-B-IS1,C8051F300-GS,EFM8UB10F16G-C-QFN28,C8051F920-GQ,C8051F815-GS,C8051F920-GM,C8051F220,EFM8UB10F16G-C-QFN20,TSM9938F,EZR32LG230F64R67G,C8051F221,C8051T320-GQ,SI8651EC-B-IS1,C8051F226,C8051F862-C-GS,TSM9938H,SI8661BB-B-IS1,EZR32WG230F64R63G,SI8661ED-B-IS,SI8220DD-A-IS,EZR32LG230F64R69G,SI8405AB-A-IS1,C8051F565-IM,EFM8SB10F2G-A-QFN20,C8051F395-A-GM,C8051F565-IQ,SI8641BD-B-IS,EFM32TG232FX - QFP64,C8051F231,SI8661BC-B-IS1,C8051F230,C8051T631-GM,SL2305NZ,SI8441AA-D-IS1,SI8630BD-B-IS,C8051T600-GS,C8051F236,SI8442BA-D-IS1,C8051F580-AQ,C8051T600-GM,C8051F803-GS,C8051F580-AM,TS1103-100,EZR32WG230F128R61G,C8051F996-GM,SI21822,SI8645BT-IS,C8051F302-GM,C8051F996-GU,SI8232AB-B-IS,SI8622BC-B-IS,C8051F302-GS,TS7003,C8051F708-GQ,TS7001,EFM32WG890FX - BGA112,EZR32LG230F64R61G,EZR32WG330F128R63G,SI21662-B,SI8600AC-B-IS,SI21662-C,EZR32WG230F128R60G,EFM32G222FX - QFP48,TSM9938T,C8051F523-C-IM,SI21812,EFM32GG990FX - BGA112,EFM32LG360FX - CSP81,SL23EP09NZ,SI8651BD-B-IS,TSM9938W,C8051F510-IM,C8051F556-IM,SI8422AD-B-IS,SI8232AD-B-IS,C8051F411,C8051F410,C8051F413,SI8405AA-A-IS1,C8051F412,C8051F381-GM,SI8040AA-B-IU,C8051F589-IM,C8051F965-B-GM,SI8461BA-B-IS1,SI8655BA-B-IS,SI8660BA-B-IS1,C8051F381-GQ,C8051T621-GM,C8051F346-GM,EZR32WG230F64R68G,EFM8BB10F8G-A-QSOP24,SI51214,C8051F346-GQ,SI51211,SI51218,SI8655BA-B-IU,SI8662BD-B-IS,SI8630BB-B-IS,EFM8UB20F32G-A-QFP32,SI51219,EZR32LG230F64R63G,EZR32WG330F128R60G,C8051F930-GM,SI8630BB-B-IS1,SI8660BB-B-IS1,C8051F502-AM,C8051F825-GS,EFM8UB11F16G-C-QSOP24,C8051F544-IM,EZR32WG330F128R61G,C8051F34A-GQ,EFM32GG332FX - QFP64,SI7006-A20-IM,C8051F502-AQ,SI2165-D,C8051F544-IQ,C8051F986-GU,C8051F34A-GM,SI21832,WF121,EZR32WG230F64R67G,SI8620BT-IS,C8051F569-AM,SI8642BC-B-IS1,C8051F930-GQ,C8051F986-GM,EFM8UB20F32G-A-QFP48,EZR32LG330F64R55G,EFM32LG380FX - QFP100,SI8630
Nisshinbo(日清纺)车载用芯片选型指南(中文)
目录- 公司简介 品质等级及长期供货计划 车载应用框图 车载用芯片推荐产品 产品封装一览 产品索引
型号- R1515,R1516,R1513,R1514,NJW4182-T1,R1517,NJU7089,R1518,RP115-A,R1513-K,RP130-A,R3134,R1511,R5109-J,R1510,R1191,NR4250-P,NJG1187KG1,NJW2369,R1513-A,R5109-A,R1190,NSNJ9205,R3120XXXXA-A,R1526,R3151XXXXE-A,R1524,R1525,R3119XXXXA-J,NV3601-P,NJU7077,NJU7870,R1524-K,NA1150,NSNJ9208,NC2905-P,R3500-A,R8156,R1524-A,R8153,R8152,R1273-A,R3500-K,R8155,R8154,RN5T569,R3150XXXXB-J,R8151,RP550,NV3601-Q,R8150,NJG1814MD7,R1245-J,NJG1175KG1,NJU77701,NJG1159PHH-A,RP108,R3154,R3152,NJW4760,R3151,R1260-A,R8160,NJG1801AKGC-A,NJG1182UX2,R1260-K,R1245-A,NJW4106-T1,R3120XXXXE,R3151XXXXF-A,NV3600-P,NJU7890,NSNJ9200A,NV3600-Q,R3120XXXXA,R1540,R5106,R5107,R1525-K,NJG1804K64,R5108,R5109,NJG1150UA2,R5104,R5105,R1540-K,NJG1815AK75-A,R3160,NJU72015,R1525-A,R1272-A,R5114-K,NJW4171-T1,R1540-A,R1272-K,NL6012,R5114-A,R8315XXXXA,NJW4105-T1,RP550-A,NV3601,R8315XXXXB,R8315XXXXE,R1560-A,R8315XXXXF,NV3600,NJG1681MD7,R1276,NJG1669MD7,R1511-K,NJG1155UX2,R1278,R1560-K,NJW4107,NJW1871,NJW4106,NR1640,NJW4105,NR4252-P,NJW4104,R1272,NJM2369,R1511-A,R1273,R8300XXXXA,ND1433,R1270,R1150,R1271,MUSES8920A,R8300XXXXE,R8300XXXXG,NR1640-Q,NR1640-P,NJM41001,NJM41005,R5524,R5115-K,R8359,R8358,NJG1684ME2,R5523,R8355,RN5T5611-K,NJW4116,R8357,R8356,R1163,R1271-A,NJW4110,NR1700-P,NJG1818K75,NJM2815,NJM2816,R1271-K,RP510,R5115-A,NP8700-P,PR550,R1561-A,R3118,R3117,R3116,NJM2904B,R1561-K,NJG1144KA1,NJM8208,R1290,R3152-A,R1170,NJW4203,NR4254,R1294,R1171,R1172,NJM2903,R8360,R3152-K,RN5T569-A,RP108-A,R1278-K,NJU72060,NJU71091,NR4250,R5116-K,NJG1801BKGC-A,NJU71094,NR4252,R3121XXXXE-A,NJM11100-T1,R1500,R1501,R1180,NT1192FAAE1S,R3121,R3121XXXXE-K,R1270-A,NJM2119,R1270-K,R5116-A,R1278-A,NJW4750-T1,R3150XXXXA-J,NP4271,R1517-K,NJM2879-H,R3117-A,R5105-J,RN5C750,RP111-A,R1517-A,RP510-A,R1114,RP510-K,NR4254-P,R3120XXXXE-A,NJW4142,NJW4140,RP111-J,R5105-A,NC2905,NJU77572,NJG1187AKGC-A,R3151XXXXA-A,NC2780-P,NJU8759A,NC2780-Q,NJU7907A,R5117-K,R1245,R3119XXXXE-J,NJG1186PJL,R5117-A,NJW4830,R3150XXXXF-J,RP506-A,NJM11100,NJG1809ME7,NJW4154,RP154,RP506-K,NJU72090,NJM8080,RP171-J,R1518-K,R3154-R,R3116-A,NJU72097,R5106-J,NJG1802K51,NJM8087,NJW4119,R1518-A,RP171-A,R5106-A,R3154-A,R1130,RP506,NJM12884,NJG1173UX2,RP170,RP171,R1276-K,R3151XXXXB-A,NJU77552,R3121XXXXG-A,NJG1801K75,NJM8532,R1276-A,R5110-K,NT1189GDAE3S,R3121XXXXG-K,NJW4133,R1260,NJW4132,R5110-A,NJU7046,NJU7047,NJU77242,RP132-J,NJG1170UX2,R3119XXXXA,NJW4152-BA,R3119XXXXE,R5117,R5107-J,NJG1806K75,RP132-A,NJG1817ME4,R5114,NJW1871A,R5115,R5116,R3160-A,R5110,R5107-A,R5111,R3121XXXXG,R5112,RN5T5611,R3121XXXXA,NP8700,NT1191GEAE3S,NJG1815K75,R3121XXXXE,NJW4182,NJG1169UX2,NJU7367B,R3151XXXXE,R1526-K,R3151XXXXF,R3151XXXXA,R1560,R1561,R3151XXXXB,NJW4868,R3500,R1526-A,NJW1241,NJW1240,R5111-K,NJG1812AMET-A,NJW4750,R3160-K,RP111,R5111-A,RP115,NJU77582,R3118-A,NJW4107-T1,RP154-A,R1211,R5108-J,NJG1161PCD,R5108-A,NC2780,NJW4841,NJG1682MD7,NJU7907B,R3118-K,NR1700,NJU7057,NJW4175-T1,R3121XXXXA-A,NM12884-H,R3121XXXXA-K,R3150XXXXE,R3150XXXXF,R1580,R5112-K,NJU77903,NJM2879,RP130,NJW4175,NP4271-P,RP132,R5112-A,R3150XXXXE-J,NJW4171,R3150XXXXA,R3150XXXXB
数明半导体(Sillumin)隔离器件和门极驱动器选型指南
目录- 公司简介 隔离器件、门极驱动选型表 隔离器件介绍 单通道隔离驱动器 双通道隔离驱动器 带保护功能隔离驱动器 数字隔离器 HVIC门极驱动器 应用领域
型号- SLMI77XX系列,SLM27511,SLM2003E,SLM27512,SLM2003S,SLMI8273,SLM2104S,SLMI8232,SLMI8233,SLMI8230,SLMI8274,SLM2108S,SLMI8231,SLMI8275,SLMI7740,SLMI5320,SLMI7742,SLMI8234,SLMI7741,SLMI8235,SLM345,SLMI77XX,SLM346,SLMI776X,SLM2110,SLMI330,SLM2752X,SLM7888,SLMI772X,SLMI334,SLMI333,SLMI332,SLMI331,SLMI137,SLMI335,SLM27524,SLM27525,SLMI772X系列,SLM2181,SLM27523,SLMI776X系列,SLM2101S,SLM341,SLM2004S,SLM343,SLM340,SLMI827X系列,SLM21814,SLMI823X系列,SLMI33X系列,SLMI5952,SLM27517,SLM21XX,SLM2186,SLM2184S,SLM27519,SLM2304S,SLM27211,SLM20XX系列,SLM2005S,SLMI23514,SLM2106S,SLMI7760,SLMI7762,SLMI7761,SLMI7720,SLMI827X,SLMI7763,SLMI7721,SLMI823X,SLM34X,SLMI774X,SLM2005E,SLMI7769,SLMI350,SLM21XX系列,SLM2015,SLM2136,SLM2106B,SLM21867,SLM2014,SLMI33X,SLMI774X系列,SLM34X系列,SLM21364,SLM2103S,SLM2009,SLMI5852,SLM2001S,SLM20XX,SLM2751X
Process Change Notice #1110051 Addition of C-Pak as a Tape and Reel Supplier
型号- SI3231-A-GMR,SI3065-A-FTR,C8051F381-GQR,CT632-XM0449GMR,C8051T612-GQR,CF305-PX0573GMR,C8051T603-GMR,SI32171-B-FM1R,SI3216M-C-GMR,C8051F530-C-AMR,C8051F712-GMR,SI8235AB-D-ISR,CF330-PM0467GMR,ML0507-B,C8051F349-GQR,CF330-PX0482GMR,SI2457-D-GTR,ML0507-A,SI3006-B-FTR,CF321-PM0226GMR,SI8645BC-A-ISLR,SI3452B-B02-GMR,SI2403-G-FTR,SI8244CB-C-ISLR,CF921-PM0570GMR,SI8230AB-D-ISLR,SI3050-EL-GTR,CP2201-GMR,CP2120-GMR,CF704-XL0010GQR,SI8233AB-C-ISLR,SI8233AD-C-ISR,SI8440BB-C-ISR,SI8230BB-B-ISR,SI8232AB-D-ISR,CF500-XL0010IQR,SI2404-D-FTR,SI8241CB-D-ISLR,SI8620BD-A-ISR,SI32268-C-GM1R,C8051F553-AMR,C8051F302-GSR,C8051F705-GQR,C8051F124-GQR,SI8519-C-ISR,SB014-C-FSR,C8051F802-GUR,SI3056-D-ZS3R,C8051F043-GQR,CF327-PX0563GMR,SI8640EC-A-ISLR,CF330-PX0584GMR,SI2417-E-FTR,CP2102XX0539GMR,C8051F766-GMR,SI2404-D-FSR,SI8244BB-C-ISR,SI3211-E-FMR,SI8645BD-A-ISR,CF000-XX0006GQR,CT321-PX0524GMR,CP2101SX0143GMR,SI8404AB-A-ISLR,SI8642EC-B-ISLR,SI8420AD-A-ISR,SI8435BB-C-ISLR,SI3227-C-GQR,C8051F365-GMR,SI8662BD-B-ISR,C8051F349-GMR,C8051F133-GQR,C8051F587-IMR,SI8423BB-B-ISR,C8051F230-GQR,C8051F302-GMR,SB019-C-FSR,CF023-PM0089GQR,SI3054-G-ZS81R,C8051F714-GQR,SI8641AD-A-ISR,SI3056-D-ZS9R,SI8662ED-B-ISR,C8051F540-IMR,C8051F560-AMR,C8051F531A-ITR,SI8642BD-A-ISR,CP2102XM0499GMR,SI3071-F-FSR,BD0400X0400K,C8051F521-C-IMR,CP2104XX0521GMR,SI8422BD-D-ISR,SIL005-C-GMR,SI8519-C-IMR,SI5041-D-GMR,SI8421AD-D-ISR,SI8655BA-B-ISR,SI8620EC-B-ISR,CF534APM0594IMR,SI8642BC-B-ISLR,SI8235AA-E-IMR,CT602-PX0427GMR,SI8422AB-B-ISR,SI8460AB-A-ISLR,SI2418-B-FTR,C8051F562-AQR,SI8455BA-B-ISLR,C8051F544-AMR,CF340-PX0417GQR,SI3019-C-FTR,SI8900B-A01-GSR,SI8651ED-A-ISR,C8051T605-GSR,SI2434-D-FTR,C8051F811-GSR,SI3461-E03-GMR,CT604-XM0579GMR,SI3052-ZQ9R,BD0300X0300B,SI32269-C-FM1R,C8051F901-GUR,SI3450-B-GMR,SI8655BA-B-IUR,C8051F804-GSR,SI3456-F04-IUR,SI2434-D-FSR,C8051F363-GQR,C8051F703-GQR,C8051F320-GQR,SI2212-C-GQR,SI8900D-A-GSR,C8051F587-IQR,SI32360-C-FM1R,C8051F714-GMR,C8051F560-AQR,SI8661BC-B-ISLR,C8051F530-C-ATR,C8051T605-GMR,SI32267-C-GMR,SI3202-G-FSR,SI8232AB-B-ISR,CF321-PM0161GMR,SIL014-A-GMR,SI8236BA-C-IMR,SI8441BB-D-ISLR,S0-24L-A,SI8441AA-D-ISLR,CF412-XM0411GQR,SI3018-F-FSR,C8051F580-AQR,C8051F300-GMR,SI2415-D-GTR,C8051F041-GQR,SI2417-C-FTR,SI3456-E04-GUR,SI8235AB-D-IMR,SI8451AB-A-ISLR,SI8631BD-B-ISR,SI3080-F-FSR,C8051F544-IQR,CP2131-E01-GMR,SI3018-F-FTR,SI8621ED-B-ISR,C8051F755B-GMR,SI8660BA-A-ISLR,C8051T614-GQR,C8051F802-GMR,SI8220BD-D-ISR,C8051F551-AMR,SI8442AB-C-ISR,SI8230BB-D-ISR,SI8631BC-A-ISLR,C8051F122-GQR,C8051F542-IMR,SI2493-FTR,SI8430AB-C-ISR,C8051F585-IMR,SI8600AD-A-ISR,C8051F508-IMR,CT600-PX0422GSR,CP2132-F01-GMR,C8051F800-GMR,CT634-PX0475GMR,SI32392-B-GMR,SI4010-C2-ASR,SI32268-C-FMR,C8051F531A-IMR,SI8605AD-B-ISR,SI8641BA-C-IUR,SI3014-C-FTR,SI8233BB-D-ISLR,SI8435BB-D-ISR,SI8423BB-D-ISR,SI8422AB-D-ISR,C8051F300-GSR,SI8400AB-B-ISR,SI8660AD-A-ISR,SI4010-C2-ATR,SI8462BA-A-ISLR,SI8661BD-A-ISR,CP2101SX0229GMR,SI8640ED-B-ISR,SI8445BA-D-ISLR,C8051F757B-GMR,SI3201-GSR,CP2102XX0489GMR,CF311-PX0256GMR,SI3453C-B01-GMR,C8051F537-ITR,SI8430BB-C-ISLR,C8051F750B-GMR,SI8235AB-D-ISLR,CP2102SX0214GMR,SI5041-D-ZM1R,SI8450BA-B-ISLR,SI3244-D-GQR,SI8235BA-C-ISLR,C8051F221-GQR,SI8462AB-B-ISLR,CP2102SX0341GMR,ABX0092,C8051F526-C-AMR,C8051F536A-IMR,C8051F901-GMR,SI3024-ZS4R,SI8622EC-A-ISR,C8051F546-AMR,C8051F313-GMR,C8051F585-IQR,SI8630EC-A-ISLR,SI3112-A-ZM1R,CF332-PX0557GMR,C8051F967-A-GMR,SI4010-C2-ZS2R,SI3203-B-FQR,SI3239-C-FMR,CF921-PM0529GMR,SI3452A-B01-GMR,SI8234AD-D-ISR,SI8650BD-B-ISR,C8051F553-IMR,SI8663BC-A-ISLR,C8051T601-GSR,C8051F701-GQR,SI3220-G-FQR,CF340-PX0217GQR,C8051F996-GMR,C8051F829-GSR,C8051F503-AQR,SI8463AB-B-ISLR,SI5040-C-GMR,SI8431BB-C-ISR,C8051F385-GQR,CF022-PM0442GQR,SI2166-A10-FMR,C8051F813-GMR,SI3205-D-FSR,MS0P8-A,SI3066-B-FSR,SI8234AB-C-ISR,SI8660BC-B-ISLR,SI3066-B-FTR,SI3241-D-ZQ1R,SI8652EC-B-ISLR,SI8463AA-A-ISLR,C8051F523-C-AMR,CF360-SM0456GQR,SI8452BA-A-ISLR,SI8420BB-D-ISR,C8051F367-GMR,C8051F582-AQR,SI8900B-A-GSR,SI4010-C2-ZS1R,CF330-PM0254GMR,CF342-XM0487GMR,C8051F34D-GQR,CF320-PM0635GQR,SI8220CD-A-ISR,C8051F410-GQR,SI2435-C-FTR,SO20WP11,CF412-PM0379GQR,SI2435-D2-FTR,SI3225-G-FQR,C8051T630-GMR,SI8441BB-D-ISR,SI8651EC-B-ISLR,CT604-PM0508GMR,C8051F800-GUR,C8051F34B-GMR,SI8235BB-C-ISR,C8051F540-AMR,SI3073-F-FSR,SI3203-B-FMR,SI8650BC-A-ISLR,SI32261-C-GM1R,C8051F569-IMR,C8051F587-AMR,SI8220BB-D-ISR,C8051F965-A-GMR,C8051F583-IMR,SI3453D-B02-GMR,C8051F815-GSR,C8051F383-GMR,C8051F531A-ATR,SI8235BD-D-ISR,SI8606AC-B-ISLR,SI8600AC-B-ISR,C8051F352-GQR,CP2104PX0523GMR,S0IC16-A,SI3010-FSR,C8051F555-AMR,CF410-XM0634GQR,EIAJ7E2W24NA,S014-P,SI8620BC-B-ISR,C8051F521-C-AMR,SI8650EC-A-ISLR,SI32177-B-GMR,SI8642HD-A-ISR,SI8641BA-A-IUR,SI8635BD-A-ISR,TS50P28,C8051F023-GQR,C8051F980-GMR,SI3453A-B02-GMR,SI2438-A-FTR,SI8651BC-B-ISLR,C8051F327-GMR,C8051F912-GUR,C8051F582-AMR,C8051F501-AMR,SI3226-D-FQR,SI8663EC-A-ISLR,ML0404-A,CF340-XM0392GQR,SI8605AC-A-ISLR,SI8502-C-IMR,SI8663ED-A-ISR,C8051F710-GQR,SI8642ED-A-ISR,C8051F338-GMR,BD0700X0700J,SI8230BD-B-ISR,SI8442AB-D-ISLR,C8051
【经验】大功率D类音频放大器设计如何选型?
拥有高集成度的大功率D类音频放大器IC既能优化系统架构又能很大程度提高音质。Silicon Labs的Si8241/Si8244音频驱动器是第一个将众多的特性集成到单芯片上的大功率D类放大解决方案,是进行大功率音频设计的理想选择。
器件选型 发布时间 : 2018-07-10
Silicon Labs(芯科科技)Si82xx/Si84xx/Si86xx 8/16-SOIC-150 mils组装、测试及装运站点增加的通知(191209647)
描述- 191209647 Si82xx/Si84xx/Si86xx 8/16-SOIC-150mils Assembly, Test and Ship Site Addition (UTL) Process Change Notice
型号- SI8430BB-C-IS1R,SI8451AB-A-IS1R,SI8455BA-B-IS1R,SI8642BB-B-IS1R,SI8460AA-A-IS1R,SI8441AB-C-IS1R,SI8405AA-B-IS1,SI8450BA-A-IS1,SI8661EC-B-IS1R,SI8405AA-B-IS1R,SI8600AC-B-IS,SI8445BA-D-IS1R,SI8463AA-A-IS1,SI8635BC-B-IS1,SI8451AB-A-IS1,SI8241CB-D-IS1,SI8244CB-D-IS1,SI8462BB-B-IS1,SI8650BC-B-IS1,SI8460AA-A-IS1,SI8234AB-D-IS1R,SI8400AA-A-IS,SI8663EC-B-IS1,SI8435BB-C-IS1R,SI8232AB-D-IS1,SI8455BB-A-IS1,SI8430AB-D-IS1R,SI8463BA-B-IS1R,SI8445BA-C-IS1,SI8622HC-B-IS,SI8650BB-B-IS1R,SI8641BC-B-IS1R,SI8441BA-D-IS1,SI8452AB-B-IS1R,SI8651BB-B-IS1,SI8442AB-D-IS1R,SI8238AB-D-IS1,SI8460BB-A-IS1R,SI8442AA-C-IS1R,SI8450BA-B-IS1R,SI8441AA-C-IS1,SI8235BB-D-IS1R,SI8630BB-B-IS1,SI8442AB-D-IS1,SI8440BB-D-IS1,SI8462BB-B-IS1R,SI8452AA-A-IS1R,SI8460AB-B-IS1R,SI8462BA-A-IS1R,SI8462AB-A-IS1,SI8452AA-B-IS1,SI8422BB-D-ISR,SI8235AB-D-IS1,SI8620EC-B-ISR,SI8238AB-D-IS1R,SI8452AA-A-IS1,SI8461BB-B-IS1R,SI8621AB-B-IS,SI8463AA-B-IS1,SI8400AA-B-IS,SI8650AB-B-IS1,SI8442BA-C-IS1,SI8421BB-C-IS,SI8452BB-A-IS1R,SI8451AB-B-IS1,SI8640AB-B-IS1R,SI8230BB-D-IS1R,SI8461BB-A-IS1R,SI8461AB-B-IS1,SI8462BB-A-IS1,SI8662BB-B-IS1R,SI8640BB-B-IS1,SI8651AB-B-IS1,SI8655BB-B-IS1R,SI8450BA-B-IS1,SI8451BA-B-IS1R,SI8641AB-B-IS1R,SI8602AC-B-ISR,SI8455BB-B-IS1,SI8231BB-D-IS1R,SI8610AB-B-IS,SI8445BA-D-IS1,SI8610EC-B-ISR,SI8440BB-D-IS1R,SI8461AA-B-IS1R,SI8652EC-B-IS1,SI8421AB-C-ISR,SI8431BB-D-IS1R,SI8622EB-B-ISR,SI8450BA-A-IS1R,SI8640BC-B-IS1,SI8440BB-C-IS1,SI8631EC-B-IS1,SI8630BB-B-IS1R,SI8620EB-B-IS,SI8441AA-D-IS1,SI8661BC-B-IS1,SI8442BA-D-IS1,SI8400AA-A-ISR,SI8460AB-A-IS1R,SI8642BC-B-IS1R,SI8461BA-B-IS1,SI8662AB-B-IS1R,SI8445BA-C-IS1R,SI8440AA-D-IS1R,SI8440AA-C-IS1,SI8440AB-D-IS1,SI8660BC-B-IS1R,SI8621AB-B-ISR,SI8652AB-B-IS1R,SI8410BB-C-IS,SI8452AB-A-IS1R,SI8652BC-B-IS1R,SI8441BB-C-IS1,SI8461AA-A-IS1R,SI8430BB-D-IS1,SI8410AB-C-ISR,SI8461AB-A-IS1,SI8652BB-B-IS1,SI8235BB-D-IS1,SI8460BB-A-IS1,SI8451AB-B-IS1R,SI8235BA-D-IS1R,SI8435BB-D-IS1,SI8460AA-B-IS1,SI8442AB-C-IS1R,SI8620DB-B-ISR,SI8622BB-B-ISR,SI8650EC-B-IS1,SI8460BA-A-IS1,SI8241BB-D-IS1,SI8461BB-B-IS1,SI8462AA-B-IS1R,SI8662BC-B-IS1R,SI8662EC-B-IS1,SI82XX,SI8430BB-D-IS1R,SI8450AB-A-IS1R,SI8642BC-B-IS1,SI8452BA-B-IS1R,SI8440AA-D-IS1,SI8641BB-B-IS1,SI8645BC-B-IS1R,SI8663BB-B-IS1R,SI8461BA-A-IS1,SI8463AA-A-IS1R,SI8463AB-A-IS1R,SI8430BB-C-IS1,SI8442BB-C-IS1R,SI8645BB-B-IS1R,SI8441BA-D-IS1R,SI8SL8AB-D-IS1R,SI8460BB-B-IS1,SI8462BA-B-IS1R,SI8423BB-D-ISR,SI8440AB-C-IS1,SI8420AB-D-IS,SI8234AB-D-IS1,SI8410AB-D-ISR,SI8660BC-B-IS1,SI8232BB-D-IS1R,SI8640AB-B-IS1,SI8420AB-C-IS,SI8431AB-D-ZS1R,SI8441BA-C-IS1,SI8460BA-B-IS1,SI8230BB-D-IS1,SI8461AB-B-IS1R,SI8235BA-D-IS1,SI8440BA-C-IS1R,SI8441BB-D-IS1,SI8606AC-B-IS1R,SI8461BA-A-IS1R,SI8405AB-A-IS1,SI8237AB-D-IS1R,SI8420BB-C-IS,SI8610AB-B-ISR,SI8461BB-A-IS1,SI84XX,SI8460AB-A-IS1,SI8622BB-B-IS,SI8652AB-B-IS1,SI8435BB-C-IS1,SI8651BC-B-IS1R,SI8405AB-A-IS1R,SI8445BB-C-IS1R,SI8602AB-B-ISR,SI8602AC-B-IS,SI8231BB-D-IS1,SI8455BB-A-IS1R,SI8461AA-B-IS1,SI8440AB-D-IS1R,SI8450AB-B-IS1R,SI8442BB-C-IS1,SI8420AB-C-ISR,SI8621BB-B-ISR,SI8440BA-C-IS1,SI8660BB-B-IS1R,SI8463AB-B-IS1,SI8440BB-C-IS1R,SI8610BB-B-IS,SI8440AA-C-IS1R,SI8620EB-B-ISR,SI8450BB-A-IS1R,SI8431AB-C-IS1R,SI8641BC-B-IS1,SI8442AA-D-IS1,SI8450AA-A-IS1R,SI8621BB-B-IS,SI8238BB-D-IS1R,SI8451AA-A-IS1,SI8241BB-D-IS1R,SI8463BB-A-IS1R,SI8630BC-B-IS1,SI8462BA-B-IS1,SI8441BA-C-IS1R,SI8630AB-B-IS1R,SI8662BC-B-IS1,SI8663EC-B-IS1R,SI8451BA-A-IS1R,SI8452AB-B-IS1,SI8441AB-C-IS1,SI8642BB-B-IS1,SI8421AB-C-IS,SI8620AB-B-ISR,SI8640BB-B-IS1R,SI8651AB-B-IS1R,SI8421BB-C-ISR,SI8660BB-B-IS1,SI8441BB-D-IS1R,SI8445BB-C-IS1,SI8460AB-B-IS1,SI8461AB-A-IS1R,SI8233BB-D-IS1R,SI86XX,SI8430AB-D-IS1,SI8455BA-A-IS1,SI8431BB-D-IS1,SI8622EB-B-IS,SI8231AB-D-IS1R,SI8451BB-B-IS1R,SI8630EC-B-IS1R,SI8410BB-D-ISR,SI8441AA-D-IS1R,SI8451AA-B-IS1R,SI8232AB-D-IS1R,SI8631EC-B-IS1R,SI8237BB-D-IS1,SI8452BB-B-IS1R,SI8641AB-B-IS1,SI8442BA-D-IS1R,SI8400AA-B-ISR,SI8401AA-B-IS,SI8631AB-B-IS1R,SI8410AB-C-IS,SI8461AA-A-IS1,SI8663BC-B-IS1R,SI8442BA-C-IS1R,SI8645BB-B-IS1,SI8SL8AB-D-IS1,SI8450BB-A-IS1,SI8650EC-B-IS1R,SI8442BB-D-IS1,SI8631BB-B-IS1,SI8237BB-D-IS1R,SI8663AB-B-IS1,SI8420AB-D-ISR,SI8620DB-B-IS,SI8462AB-B-IS1R,SI8610BB-B-ISR,SI8442AA-C-IS1,SI8463AB-B-IS1R,SI8661EC-B-IS1,SI8635BC-B-IS1R,SI8452AA-B-IS1R,SI8463BA-A-IS1R,SI8451BB-A-IS1R,SI8410BB-D-IS,SI8450BB-B-IS1,SI8230AB-D-IS1,SI8663AB-B-IS1R,SI8455BA-B-IS1,SI8631BC-B-IS1R,SI8462BA-A-IS1,SI8452AB-A-IS1,SI8441AB-D-IS1,SI8652BC-B-IS1,SI8430AB-C-IS1,SI8431BB-C-IS1,SI8652BB-B-IS1R,SI8460BA-B-IS1R,SI8462AB-A-IS1R,SI8410BB-C-ISR,SI8423AB-D-ISR,SI8445BB-D-IS1,SI8650AB-B-IS1R,SI8234BB-D-IS1R,SI8234BB-D-IS1,SI8650BC-B-IS1R,SI8410AB-D-IS,SI8241CB-D-IS1R,SI8651BB-B-IS1R,SI8235AB-D-IS1R,SI8451AA-A-IS1R,SI8455BB-B-IS1R,SI8450AA-A-IS1,SI8631BC-B-IS1,SI8441AA-C-IS1R,SI8602AB-B-IS,SI8663BC-B-IS1,SI8442AB-C-IS1,SI8445BB-D-IS1R,SI8450AA-B-IS1R,SI8463BA-A-IS1,SI8420BB-C-ISR,SI8431AB-D-IS1R,SI8652EC-B-IS1R,SI8661BB-B-IS1,SI8630AB-B-IS1,SI8441AB-D-IS1R,SI8661BB-B-IS1R,SI8606AC-B-IS1,SI8620EC-B-IS,SI8421BB-D-IS,SI8421BB-D-ISR,SI8423BB-D-IS,SI8600AC-B-ISR,SI8452B
最大传输延时30ns, 4A灌/拉电流驱动能力的隔离驱动器 | 功率器件专场 世强硬创新产品研讨会
型号- SI88XXXISO-KIT,SI88241ED-IS,SI823HX,SI8281CD-IS,SI8642ET-IS,SI823X,SI827X,SI88621ED-IS,SI893X,SI8239X,SI875X,SI8285CD-IS,SI8920BC-IP,SI8281-KIT,SI86XXXT,SI86XXT,SI8285_86-KIT,SI8286CD-IS,SI8285,SI8281,SI886XXISO-KIT,SI86XX,SI87XX,SI8920,SI834X,SI88XX,SI8921,SI8900,SI8922,SI828X,SI838X,SI86XXTISO-KIT,SI826X,SI8920ISO-KIT,SI894X
20181112-E257455 Standard for Optical Isolators CERTIFICATE OF COMPLIANCE
型号- SI82395BD,SI8232BD,SI8274GB4D,SI8271DB,SI8286CC,SI8286CD,SI8275DB,SI8244CB,SI8232BB,SI82391CD,SI8221CC,SI82390AB,SI8274AB1,SI82395CB,SI82394AB,SI82390AD,SI82391CB,SI8235AD,SI8235AB,SI8273GBD,SI82395AB,SI82396CD,SI8271DBD,SI8231AD,SI82395AD,SI8220BD,SI8275BBD,SI8285BC,SI8273AB,SI8285BD,SI8231AB,SI82391BD,SI8220BB,SI8221DC,SI82395BB,SI82391BB,SI82398BD,SI8237BD,SI8237BB,SI82394BD,SI8233BD,SI82398BB,SI8233BB,SI8274AB4D,SI8271BB,SI8241CB,SI8275BB,SI82390CD,SI82394CB,SI82390CB,SI82393AB,SI82394CD,SI8274BB1,SI82398AD,SI8271ABD,SI8275GBD,SI8273DBD,SI82395CD,SI8232AD,SI82394AD,SI8232AB,SI82398AB,SI8244BB,SI8286BD,SI8286BC,SI8233CB,SI82390BB,SI82394BB,SI8273GB,SI82390BD,SI8238BD,SI8238BB,SI8234BD,SI82397BB,SI8234BB,SI82397BD,SI8273DB,SI8274GB1,SI8230BD,SI82393CB,SI82392AB,SI8230BB,SI82393CD,SI82392AD,SI8274BB4D,SI8237AD,SI82397AD,SI8237AB,SI8271BBD,SI8275DBD,SI8233AD,SI82393AD,SI82398CB,SI8233AB,SI82397AB,SI82398CD,SI8234CB,SI8273ABD,SI8271AB,SI8241BB,SI8275AB,SI82393BB,SI82393BD,SI8235BD,SI82396BB,SI8235BB,SI82396BD,SI8231BD,SI8285CD,SI8273BB,SI8285CC,SI8220CD,SI8274DB4D,SI82391AB,SI8231BB,SI82392CD,SI82391AD,SI8220CB,SI82396CB,SI8274DB1,SI82392CB,SI8238AB,SI8273BBD,SI8234AD,SI82397CB,SI8234AB,SI82396AB,SI82397CD,SI8271GBD,SI8230AD,SI82396AD,SI8238AD,SI8275ABD,SI8275GB,SI82392BB,SI8220DD,SI8230AB,SI82392BD,SI8220DB,SI8271GB
Isolation Product Overview
型号- SI86XXT,SI8285,SI823HX,SI8281,SI86XX,SI87XX,SI8920,SI823X,SI834X,SI88XX,SI8921,SI8900,SI8922,SI828X,SI838X,SI827X,SI826X,SI893X,SI8239X,SI875X,SI894X
电子商城
现货市场
品牌:SILICON LABS
品类:Switch Hall Effect Magnetic Position Sensor
价格:¥2.2924
现货:126,000
服务
提供语音芯片、MP3芯片、录音芯片、音频蓝牙芯片等IC定制,语音时长:40秒~3小时(外挂flash),可以外挂TF卡或U盘扩容。
最小起订量: 1pcs 提交需求>
可贴片样板PCB尺寸范围50*50~910*600mm,设备贴装最小元件尺寸:01005,设备贴装最小pitch(IC类)元件:0.15mm;设备贴装最小pitch(BGA类)元件:0.2mm。
最小起订量: 1pcs 提交需求>
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