硅麦克风
MEMS麦克风具有高可靠性、高稳定性、高一致性、低不良率和低返修率等优点。电容式硅麦克风芯片主要包括一个薄而有弹性的振动膜和一个刚性的背极板，背极板和振动膜组成一个平行板电容；振动膜将在声压的作用下产生位移，极板电压会随着振动膜的运动发生变化，从而将声信号转变为电信号。
所属分类：
MEMS声学传感器
产品描述
产品特点：
MEMS麦克风具有高可靠性、高稳定性、高一致性、低不良率和低返修率等优点。电容式硅麦克风芯片主要包括一个薄而有弹性的振动膜和一个刚性的背极板，背极板和振动膜组成一个平行板电容；振动膜将在声压的作用下产生位移，极板电压会随着振动膜的运动发生变化，从而将声信号转变为电信号。
敏芯股份是全球为数不多掌握硅麦克风的MEMS和ASIC晶圆技术并批量生产的厂家,已经成功完成MEMS晶圆厂、封装厂及测试和编带的本土产业链整合，且被多家著名的品牌厂家广泛采用并大批量稳定供货。
| 产品分类 | 型号 | 输出类型 | 结构类型 | 产品尺寸 | Sensitivity | SNR | AOP | RF | Feature | Application | Remark |
| 硅麦 | MSM261DCB001 | PDM | Bottom | 2.75*1.85*0.9 | -26 | 62.5 | 120 | - | Small Size | Earphone | MP |
| 硅麦 | MSM261DCB002 | PDM | Bottom | 2.75*1.85*0.9 | -26 | 64 | 120 | Enhance | Small Size, High SNR | AR,Earphone | PP |
| 硅麦 | MSM261DDB018 | PDM | Bottom | 3.5*2.65*0.98 | -26 | 65.5 | 120 | - | High SNR | TV | MP |
| 硅麦 | MSM261DDB019 | PDM | Bottom | 3.5*2.65*0.98 | -26 | 65 | 120 | - | High SNR | TV | MP |
| 硅麦 | MSM261DDB020 | PDM | Bottom | 3.5*2.65*0.98 | -26 | 64 | 120 | - | STD | - | MP |
| 硅麦 | MSM371DDB015 | PDM | Bottom | 3.5*2.65*0.98 | -37 | 68 | 132 | Enhance | High SNR,High AOP | Mobile etc. | CS |
| 硅麦 | MSM371DDB024 | PDM | Bottom | 3.5*2.65*0.98 | -37 | 66 | 130 | - | High SNR,High AOP | TV | MP |
| 硅麦 | MSM261DGT003 | PDM | TOP | 4.0*2.0*1.1 | -26 | 64 | 120 | - | STD | NB/TV | MP |
| 硅麦 | MSM261DGT006 | PDM | TOP | 4.0*2.0*1.1 | -26 | 65 | 120 | - | Top,High SNR | NB | PP |
| 硅麦 | MSM261DGT007 | PDM | TOP | 4.0*2.0*1.1 | -26 | 64 | 120 | - | High reliability | NB | PP |
| 硅麦 | MSM261DGP008 | PDM | LGA | 4.0*2.0*1.1 | -26 | 67 | 120 | - | Top,High SNR,LGA | NB/IOT | CS |
| 硅麦 | MSM261DHP006 | PDM | LGA | 4.0*3.0*1.0 | -26 | 64 | 120 | - | Top,High SNR,LGA | NB/IOT | MP |
| 硅麦 | MSM261DHT006 | PDM | TOP | 4.0*3.0*1.05 | -26 | 60 | 122 | - | STD | - | MP |
| 硅麦 | MSM381ACB022 | Analog | Bottom | 2.75*1.85*0.9 | -38 | 64 | 128 | STD | High AOP,High SNR64 | ANC-earphone | MP |
| 硅麦 | MSM381ACB026 | Analog | Bottom | 2.75*1.85*0.9 | -38 | 64 | 128 | Enhance | High AOP,High SNR64 | ANC-earphone | MP |
| 硅麦 | MSM381ACBA11 | Analog | Bottom | 2.75*1.85*0.9 | -38 | 62 | 129 | Enhance | High AOP | Mobile etc. | CS (Small Size) |
| 硅麦 | MSM381ACBA25 | Analog | Bottom | 2.75*1.85*0.9 | -38 | 63 | 129 | Enhance | High AOP | Earphone | CS (Small Size) |
| 硅麦 | MSM381ACBA17 | Analog | Bottom | 2.75*1.85*0.9 | -38 | 64 | 129 | Enhance | High AOP | ANC-earphone | CS (Small Size) |
| 硅麦 | MSM381ACB060 | Analog | Bottom | 2.75*1.85*1.0 | -38 | 66 | 128 | Enhance | High AOP,High SNR66 | ANC-earphone | MP |
| 硅麦 | MSM381ACBA22 | Analog | Bottom | 2.75*1.85*0.9 | -38 | 65 | 130 | Enhance | High AOP,High SNR65 | ANC-earphone | MP |
| 硅麦 | MSM381ACBA24 | Analog | Bottom | 2.75*1.85*1.0 | -38 | 66 | 130 | Enhance | High AOP,High SNR66 | ANC-earphone | MP |
| 硅麦 | MSM381ACP003 | Analog | LGA | 2.75*1.85*1.0 | -38 | 64 | 130 | STD | High AOP, LGA | ANC earphone | MP |
| 硅麦 | MSM381ACT001 | Analog | Top | 2.75*1.85*1.0 | -38 | 62 | 128 | STD | Top,High AOP,High SNR | Earphone | MP |
| 硅麦 | MSM421ACT006 | Analog | Top | 2.75*1.85*0.95 | -42 | 59 | 130 | STD | STD | None Mobile | MP |
| 硅麦 | MSM421AKT002 | Analog | Top | 3.76*2.95*1.1 | -42 | 59 | 125 | Enhance | STD | Mobile etc. | MP |
| 硅麦 | MSM381AKT003 | Analog | Top | 3.76*2.95*1.25 | -38 | 66 | 130 | Enhance | Top,High AOP,High SNR66 | None Mobile | MP |
| 硅麦 | MSM381ADB001 | Analog | Bottom | 3.5x2.65x0.98 | -38 | 65 | 128 | Enhance | High AOP,High SNR65 | IOT | MP |