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Amplifier Ics

Wolfson Microelectronics

  • Audio amplifier / Class D

1 W, 8 ? | WM9001

Article: 00005692

Audio amplifier / Class D

DESCRIPTION
The WM9001 is a powerful, high quality speaker driver which can operate in class D or AB mode, providing total flexibility to the system designer. Low leakage, high PSRR and pop/click suppression enable direct battery connection to the speaker supply. RF noise suppression techniques and differential design are used to suppress undesired noise. A single-ended input option has been included for complete system flexibility.

The device is enabled by setting a logic 1 on the EN pin. The class D clock can be generated by an internal oscillator, or supplied from an external clock source.

Flexible speaker boost options (requiring no additional components) allow output volume to be maximised for various SPKVDD/AVDD combinations while minimising internal power consumption.

Specifications

  • Type: audio
  • Technology: Class D

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