Audio Amplifiers

Part no. Description Output Channels Output Power SNR/THD (dB) Control (SW/HW) Supply Modes Input Package
WM9001 1-W Mono Class AB/D Speaker Driver 1 x mono differential 1W, 8Ω BTL 88 / -70 H/W + external gain setting + integrated oscillator Analogue:2.7 to 3.6 Speaker: 2.7 to 5.5 Single ended/differential CSP-42, 3.23x3.44 mm
WM9010 Low power Class G stereo headphone driver Stereo ground referenced headphones 28mW into 32ohm, 33mW into 16Ω 104 / -88 HW 1.71 to 2.0 Single ended analogue W-CSP-12
WM9081 Mono DAC with Integrated 2.6W Class AB/D Amplifier 1 x 4Ω speaker, 1 x line out 2.6W into 4Ω BTL 92 / 72 2,3,4 wire and hardware only Analogue: 2.7 to 3.6 Speaker: 2.7 to 5.5 Digital 1.7 to 3.6 I2S analogue COL-28 4x4mm
WM9082 3W Mono Class D Speaker Driver with PDM Input 1 x mono differential 3W into 4Ω 92 / -70 2 wire software via PDM interface Speaker: 3.2 to 5.5 Digital: 1.35 to 2.0 PDM digital CSP-9
WM9094 Ultra Low Power Audio Subsystem Stereo ground referenced headphones, mono class D speaker amp HP – 34mW into 16Ω, SVDD – 650mW into 8Ω @ 3.6V 96 / -82 2-wire SW HPVDD 1.71 – 2.0V, SVDD 2.7 – 5.5V Stereo analogue, mono or differential W-CSP-20

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