【产品】Bi-CMOS工艺立体声扬声器/耳机放大器驱动器IC BH7884EFV，笔记本电脑和液晶电视首选

时间： 2018-11-16 来源：ROHM

技术问答

罗姆(ROHM)株式会社是全球最知名的半导体厂商之一，由其推出的BH7884EFV是一款低电压、低噪声、高输出的立体声扬声器/耳机放大器驱动器IC，其内置1W+1W立体声扬声器放大器（V_cc=5V、R_L=8Ω、THD=10％）。采用Bi-CMOS工艺制造，非常适用于笔记本电脑和液晶电视等应用。

BH7884EFV具有低电源电压需求，工作时的电源电压范围为+3.0V~+5.5V，非常便于应用电路的设计。具有低电流消耗特点，在工作模式（活动模式）下电流消耗典型值为9 mA，在空闲模式（SUSPEND模式）下电流消耗典型值低至0.2μA，较低的电流消耗能力可出色地实现低功耗设计。内置数字降噪电路，可消除数字噪音和BEEP音，具有低噪声优势，非常适用于耳机等品质类音频应用。内置低音增强功能，便于扬声器放大器等应用。另外，IC还集成了耳机放大器增益调节功能、工作/暂停切换功能、扬声器放大器立体声/单声道切换功能，放大器静音切换功能，且所有功能均可通过微控制器控制，具有很高的控制灵活性。

BH7884EFV采用HTSSOP-B24封装，封装尺寸为7.8mm*7.6mm*1.0mm。储存温度范围最大为-55℃~+125℃，工作温度范围为-10℃~+70℃，满足商业级产品使用的温度要求，可适用于各类商业领域。其功能框图如下：

图1 BH7884EFV立体声扬声器/耳机放大器驱动器IC功能框图

BH7884EFV立体声扬声器/耳机放大器驱动器IC突出特点与优势

·内置1W+1W立体声扬声器放大器（Vcc=5V、RL=8Ω、THD=10％）

·内置立体声耳机放大器

·内置低音增强功能，用于扬声器放大器

·内置低噪音VCA（电子音量）

·内置静音电路

·低电流消耗（在ACTIVE模式下典型值为9mA。在SUSPEND模式下典型值为0.2μA）

BH7884EFV立体声扬声器/耳机放大器驱动器IC应用领域

·笔记本电脑

·液晶电视

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本文由一只快乐的小松鼠翻译自ROHM，版权归世强硬创平台所有，非经授权，任何媒体、网站或个人不得转载，授权转载时须注明“来源：世强硬创平台”。

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shakencity Lv7. 资深专家 2019-02-19

立体声扬声器驱动器IC

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描述- ROHM offers wide ranges of interface Audio ICs and Video ICs, such as Image Correction ICs, Audio Converters, Audio Amplifiers, Audio Processors, Video Amplifiers. It is the masterpiece of ROHM audio IC which pursues both the numerical values and sound quality performance required in an audio device to the utmost limits and created through the ardency of ROHM engineers.

型号- BA3123F,BD5632NUX,BH3548F,BD34704KS2,BH76363FV,BH76806FVM,ML86112,BD37069FV-M,BD37034FV-M,BH76812FVM,BD5467GUL,BD37511FS,BD88215GUL,BD5413EFV,ML86V7668A,BD78316EFJ-M,BD34301EKV,BD88400FJ,BD78318EFJ-M,ML86245,BD5461GUL,BD37542FS,ML86243,ML86640,ML86244,BD28623MUV,BH76112HFV,ML86241,BH7649KS2,ML86242,BD78320EFJ-M,ML86V76580,ML86240,BD37523FS,BD27400GUL,BD88210GUL,BD5424EFS,BD3465FV,BD8876FV,BD5638NUX,BH76360FV,BD78322EFJ-M,BD88415GUL,BD37503FV,BD7830NUV,BD37533FV,BD37514FS,ML86V7675,ML86V8401,BD5469GUL,BD3843FS,BD3461FS,BH76332FVM,BD3465FS,ML86101A,BU26154MUV,BD3870FS,BD34701KS2,BH76906GU,BD37541FS,BH76206HFV,BD88410GUL,ML86660,ML86781,BD37515FS,BD34700FV,BD37534FV,BD5466GUL,BD37522FS,BD78306EFJ-M,BH7673G,BH3544F,BD3464FV,BH76361FV,ML86799,BD34352EKV,ML86797,ML86795,BD5460GUL,ML86796,BU94605AKV,BD37513FS,BD37532FV,ML86V8102,BD78310EFJ-M,ML86V8101,BD88220GUL,BD3460FS,BD3403FV,BU6521KV,BD3464FS,BD37068FV-M,BD78308EFJ-M,BD88400GUL,BH76816FVM,BH76330FVM,BD78324EFJ-M,ML86V7655,BD78312EFJ-M,ML86209,BH76333FVM,ML86207,BD3474KS2,BU94702AKV,BD3871FS,BD37033FV-M,ML86203,BD78326EFJ-M,BD88200GUL,ML86289,ML86287,ML86321,BD37544FS,BD7836EFV,BD34602FS-M,ML86160,BU26156RFS,BD3814FV,BD37521FS,BD5468GUL,BD28412MUV,BD3491FS,BU1523KV,BH76109HFV,BD8878FV,BD5634NUX,BA3121F,BD3883FS,BH76362FV,BH76916GU,ML86177,BH76912GU,ML86175,ML86173,ML86174,ML86172,BD5465GUL,BD37531FV,ML86290,BD37512FS,ML86V8201,ML86291,BD3841FS,BU7150NUV,BH76106HFV,BD88420GUL,BH3547F,BD34705KS2,BD37067FV-M,ML86V8202C,BD37543FS,BD5423AEFS,BH76809FVM,BD37524FS,BD3812F,BD78314EFJ-M,BM28723AMUV,BD5426EFS,BD37201NUX,BD3490FV,BH76331FVM

选型指南 - ROHM - 2023 Edition - 2022/12/28 PDF 英文下载

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目录- 公司简介 LDO IC 充电IC 电子烟咪头IC 保护/监测IC 升/降/反压IC RS232接口IC DC-DC降压型LED驱动IC LED日光灯/球泡灯/台灯驱动IC 非隔离降压稳压IC(小家电电源IC) 运放IC 比较器IC 逻辑电路IC 模拟开关IC 实时时钟日历IC 驱动IC 全极性/单极性低功耗霍尔IC 三端稳压IC 通用DC-DC变换IC 控制IC 电压基准源IC 同步整流IC 达林顿驱动IC

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ROHM停产及即将停产料号表

型号- RBR2LAM30ATFTR,BR93G76-3B,RBR15BM30AFHTL,R6520KNZC8,VDZT2R20B,BD7F200HFN-LBTR,R6576ENZ1C9,SCS220KE2HRC,R6035ENZ1C9,DAP222MT2L,SCS230KE2HRC11,BP5045A5,RBS1LAM40ATR,RBR10NS30ATL,BR24G512-3A,SCS210AGCZ,RBQ15BM65AFHTL,BM6244FS-E2,RBR20BM40AFHTL,RBR5L30ADDTE25,RBR3L40CDDTE25,SCT2080KEHRC11,RBR2MM30ATFTR,LA-301VL,VDZFHT2R13B,VDZT2R5.1B,R6030ENZ1C9,RBR5LAM40ATFTR,BR93L86-W,RBR40NS30AFHTL,RBE07V20ATE-17,LA-301VB,SH8K10SGZETB,DAP222MFHT2L,BR93G76-3A,BA3308F-E2,BD8316GWL-E2,BM2P163W-Z,BD2052AFJ-E2,VDZT2R30B,RBR40NS30ATL,VDZFHT2R36B,VDZT2R4.3B,BM6240FS-E2,VDZFHT2R24B,VDZT2R3.6B,SML-D13FWT86,RBR3LAM40ATFTR,BP5222A,BA78M18CP-E2,RBQ30T45AHZC9,RB521S-30TE61,RBE1KA20ATR,BR24G32-3A,BR24T02-W,BR24G64QUZ-3ATR,RBE05SM20AT2R,SCT2120AFCU,BU21028FV-ME2,RBQ20NS65AFHTL,RBR3LAM40CTR,RBQ20BM65ATL,BP5039A,RBR3MM30ATR,SCS240AE2GC11,BP5221A,SCT2450KEC,RBR20NS30AFHTL,R6035KNZC8,SCT2280KEC,RBR1VWM60ATR,RBQ20T65AHZC9,RBQ30T65AHZC9,RBR20T40ANZC9,BR93G66-3B,BR93G66-3A,BA12004BF-E2,VDZT2R5.6B,RBR3LAM60ATR,BP5728,RBQ10NS45ATL,RBR3LAM60BTFTR,BR24T01-W,RBR3MM40BTR,RBS1MM40ATR,BM6248FS-E2,VDZFHT2R33B,VDZT2R6.2B,BA7810CP-E2,RBE05VM20ATE-17,RBR30NS40AFHTL,RBR2MM30ATR,R6524KNZC8,LM4559F-GE2,SCS210KE2GC11,RB520AS-40T2R,RBR40NS60AFHTL,SCS240KE2GC11,BR24G32-3,BR24T128-W,BP5048-15,R6015KNZC8,RBR15BM30ATL,R6515KNZC8,R6020ENZ1C9,RBQ15BM45ATL,RB520G-40FHT2R,VDZT2R4.7B,BU4094BC,RBR30T60AHZC9,BM6247FS-E2,BSS64T116,RBR3LAM60BTR,RGTV00TK65DGC11,RBQ10BM65AFHTL,SCS230AE2CZ,BR24G64-3A,BM92A35MWV-ZE2,RBE05AS20AT2R,RBR3MM40ATR,RBR3L60ADDTE25,BU90RT102-E2,DA221MFHT2L,BU4069UB,RBR3LAM40BTFTR,RBR20T30AHZC9,RB886GT2R,RBR1L40ADDTE25,BP5048-24,SCS220AECZ,R6020KNZ1C9,VDZT2R3.9B,SCS240AE2CZ,1SS390FHTE61,BU64980AGWZ-TR,RBR5LAM60ATFTR,RBR20BM60ATL,BR24G08-3A,BD90C0AFP2-CE2,RBR3LAM30BTR,RBS5LAM40ATR,RBR1MM30ATFTR,BM92T50MWV-ZE2,RBS3LAM40CTR,SCS220KE2CZ,SCS240AE2HRC11,RBR3L60BDDTE25,VDZFHT2R9.1B,R6524ENZC8,SCS230KE2GC11,RBQ30TB45BNZC9,RBQ30NS100AFHTL,RBR30T30ANZC9,RBR15BM60AFHTL,R6047MNZC8,RBR10T30AHZC9,1SS400TE61,BR93G56-3B,BR93G56-3A,RBR5LAM30BTFTR,KA2003-BE51A,BP5063-5,RBR5L40ADDTE25,SCS212AGCZ,BR25G256-3,SCS240KE2HRC11,RBR3L40ADDTE25,RSB6.8GFHT2R,RBR2VWM40ATFTR,RBR20BM30ATL,R6020KNZC8,R6535KNZC8,RBR20T60ANZC9,BM2P01B-Z,BP5038A1,BM6226FS-E2,BM28723AMUV-DE2,RN262GT2R,RB520ZS8A30TE61,RBR3MM40ATFTR,R6047MNZ1C9,RBR2MM40ATR,RBR15BM40ATL,RBR3LAM30ATR,RBR2L40ADDTE25,VDZFHT2R6.8B,BM6224FS-E2,BD6517F-E2,RBQ20T45ANZC9,BR93G46-3,BD37215MUV-E2,SCT2120AFC,RBR3MM30ATFTR,BR24T32-W,RBR20NS40AFHTL,BP5039-15,BR24G1M-3A,RBR3MM60BTFTR,BA78M07FP-E2,RBR2L60BDDTE25,RBR10BM60AFHTL,BD3811K1,RBR3LAM40CTFTR,RBR1L60ADDTE25,BR24G04-3,BD8668GW-E2,BSS4130T116,RBR30NS60AFHTL,BM2P01A-Z,RBR2MM30BTR,SCS230KE2CZ,RN142ZS12ATE61,BU9795BGUW-ZE2,RN142GT2R,BM92A70MWV-ZE2,BR24G16-3,BR24G04-3A,BP5053-12,RBR3L40BDDTE25,BM6249FS-E2,RBR10NS40ATL,SCT2080KEC,RBQ20BM45ATL,BD80C0AWFP2-CE2,VMZ6.8NT2L,RBR20NS60AFHTL,RBQ15BM100AFHTL,BU4051BC,RN141GT2R,BH7881EFV-E2,R6030KNZC8,RBR3MM60BTR,BR24G256-3A,RBR2LAM60BTR,BD37210MUV-E2,RBR20BM40ATL,R6024ENZ1C9,RBR10NS30AFHTL,R6020JNZC8,SCS210KE2CZ,RBS3MM40ATR,BR24G01-3,RBR20BM30AFHTL,RBR3LAM40BTR,BP5324A,BR93G56-3,SML013WBDW1,RBR10T40AHZC9,RBR10NS60AFHTL,RBR10BM60ATL,SML-D12FWT86,R6076ENZ1C9,RBR2MM40CTR,RBR20BM60AFHTL,BM2P11A-Z,BM81028AMWV-ZE2,VDZFHT2R16B,BR24G16-3A,RBR3MM60ATFTR,BU4551B,BD80C0AFP2-CE2,RBR20NS30ATL,RBQ10BM65ATL,BM92A31MWV-ZE2,RB521ZS8A30TE61,BU4052BC,SCS210KGCZ,RBR3MM60ATR,RBR2LAM60ATR,RBQ20NS45ATL,BD3021HFP-TR,RN141STE61,RBQ30T100ANZC9,RBS3MM40BTR,BD8317GWL-E2,SCH2080KECZ,RBR10T60AHZC9,RBQ10T65AHZC9,BD00C0AWFP2-CE2,RBQ15BM65ATL,R6547KNZ1C9,BR24G02-3,BD91411GW-E2,RBR10BM30AFHTL,RBQ10NS65ATL,RBR3LAM40ATR,BD3020HFP-TR,RBR1MM30ATR,R6524ENZ1C9,RBR10NS40AFHTL,RBR2MM40BTR,RBR1VWM30ATFTR,BR24G256-3,RBQ30T45ANZC9,RBR30T60ANZC9,RBQ30NS45ATL,R6024ENZC8,BP5122,VDZFHT2R6.2B,R6030JNZC8,DAN222MT2L,SCS205KGCZ,BR24G128-3A,RB520G-30FHT2R,BR93G66-3,BD26503GUL-E2,BM6213FS-E2,SH2002-DC90A,R6024KNZ1C9,R6530ENZ1C9,BD7F100HFN-LBTR,RBQ20T65ANZC9,RBR20T30ANZC9,RBQ10T45AHZC9,VDZFHT2R5.6B,SLA-360MT3FXG,RBR1MM60ATFTR,RB751G-40FHT2R,R6025JNZC8,RBR2LAM40ATR,BA3308FV-E2,RBR10BM40AFHTL,BP5047B15,RBR2MM60CTFTR,KD2004-DEFW00A,BR24G02-3A,BR24T64-W,RBQ20NS65ATL,BP5055-12,KMX62-1031-FR,RBR3LAM30ATFTR,BM533Q11-Z,R6524KNX1C10,BM6246FS-E2,SCS220KE2GC11,BU4030B,BP5067-12,RZ2L18CGNC11,RBS2LAM40CTR,RBR20NS40ATL,BP5067-15,RBR2MM40ATFTR,FDZT27R6.2,SCS240KE2CZ,BR24G08-3,SCS215AECZ,BP5720-5,RBR10BM40ATL,R6520KNX1C10,FDZT27R6.8,R6530KNZC8,RBR2MM60ATR,BD2045AFJ-E2,R6047ENZ1C9,1SS400GT2R,RBR1LAM60ATR,BR93G46-3B,BR93G46-3A,RBR15BM60ATL,RBS2MM40ATR,BU4066BC,BD8665GW-E2,RBR5LAM40ATR,RBQ10NS45AFHTL,RB520G-40T2R,BR24G16QUZ-3TR,BR93G76-3,RBR5LAM30ATFTR,RBQ10NS100ATL,RBR10NS60ATL,BA12003BF-E2,RX1G08CGNC10,RBR1MM40ATR,BA6247FP-YE2,RB521AS-40T2R,RBR2LAM30ATR,RBR5L30BDDTE25,BD90C0AWFP2-CE2,SCS220AE2CZ,RBR3MM40BTFTR,BSS63HZGT116,BA78M07CP-E2,SCT2160KEC,BH7884EFV-E2,RBR2L30ADDTE25,BP5048,BD33C0AFP2-CE2,RBS3LAM40ATR,RBR1VWM30ATR,RBQ10NS65AFHTL,RBR30NS30ATL,RBR40NS40AFHTL,VDZFHT2R5.1B,BP5033-12,RBR2MM60BTR,SCH2080KEC,RBS2MM40BTR,RBR

产品变更通知及停产信息 - ROHM PDF 中文下载

【产品】国产驱动器/耳机放大器HT97220，输出无需隔直流电容，噪声为VN 7μV

禾润电子科技推出的HT97220为差分输入、可直接输出的线路驱动器/耳机放大器，5V供电时，器件为32Ω耳机负载提供125mW驱动，IC可以通过外部电阻调整增益。

产品发布时间 : 2022-06-01

HTSSOP-B24 3D STEP Data

型号- BD8205EFV-M,BD9394EFV,BD6382EFV,BD6380EFV,BD83A14EFV-M,BD99010EFV-M,BD6422EFV,BD63960EFV,BD8229EFV,BD63940EFV,BD99011EFV-M,BD8LA700EFV-C,BD9036EFV-C,BD83A04EFV-M,BD68620EFV,BD5413EFV,BD8266EFV-M,BD8163EFV,BH7881EFV,BD63620AEFV,BD6381EFV,BD60203EFV,BD18351EFV-M,BD6423EFV,BD8153EFV,BD83816EFV-M,BD39012EFV-C,BD6290EFV,BD16950EFV-C,BD9035AEFV-C,BD63801EFV,BH7884EFV

CAD模型库 - ROHM - 2017/12/22 ZIP 英文下载