Wolfson代理商全球库存查询及产品技术资料下载
环境噪音消除（ANC） | Wolfson 噪声消除ANC
| Part no. | Description | Output Channels | Output Power | SNR/THD (dB) | Control (SW/HW) | Supply Modes (V) | Ambient noise reduction (dB) | Noise cancellation bandwidth (Hz) | Input | Mic input | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|
| WM2000 | Handset receiver speaker driver with ambient noise cancellation | 1 x mono differential | 80mW, 16Ω BTL | 94/-70 (ANC Off) / 87/-67 (ANC On) | 2-wire SW | Speaker: 2.7 to 3.6 Digital: 1.71 to 1.89 | up to 20 | 300 to 2500 | Single-ended/ differential | Differential | W-CSP-25 2.552x2.602mm |
| WM2002 | Stereo headphone driver with Wolfson ambient noise cancellation | Mono or stereo | 45mw, 16 or 22mW, 32 | 92/-80 (ANC Off) / 83/-81 (ANC On) | Standalone with the option of 2-wire SW | 1.5V AAA battery using internal boost: 0.9 to 1.6 or 2.5V direct supply: 2.0 to 3.3 | Greater than 20 (dependant on configuration) | 40 to 4000 (dependant on configuration) | Line level stereo music differential or SE input | Differential, single ended two channel analogue or 10 channel digital mic | QFN-48 7x7mm |
| WM2200 | Handset earpiece driver with Wolfson ambient noise cancellation | 2 x differential, 1 x PDM | 60mW, 16 BTL | 100/-71 (ANC Off) / 100/-71 (ANC On) | 2-wire SW | Analogue: 1.71 to 1.89, Digital: 0.95 to 3.6 | Receive path: up to 20 | 300 to 3500 | Analogue mic - singled-ended or differential, digital mic, line input | Single-ended, differential, digital | W-CSP-110 |
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