Products : Portable Audio Amplifiers
| Part number | Description | Output Channels | Output Power | SNR / THD (dB) | Control (SW/HW) | Supply Modes | Input | Package |
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| 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 | 100 / -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 |
| WM9090 | Ultra low power audio subsystem | Stereo ground referenced headphones, mono class D speaker amp | HP: 35mW into 16ohm, SPK: 750mW into 8Ω @ 3.7V | 95 / -83 | 2-wire SW | HPVDD: 1.71 - 2.0V SPKVDD 2.7 - 5.5V | Stereo analogue, mono or differential | W-CSP-20 |
