Ambient Noise Cancellation (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, 16Ω or 22mW, 32Ω 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, 16Ω 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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