Diodes incorporated announces an enhanced version of its popular sounder driver for small and portable devices

Diodes incorporated announced an enhanced version of its popular sounder driver for small and portable devices. the pam8904e delivers higher performance at a lower voltage in a smaller package. the pam8904e can support both single-ended and differential output modes with minimal external components. the device features a wide-input voltage supply range between 1.5v and 5.5v and a shutdown current consumption within 1Μa. the sounder also accepts an input signal between 20hz to 300khz. despite its small size, the pam8904e integrates a charge-pump boost converter that operates in 1x, 2x, and 3x modes. as such, the pam8904e is able to generate an output voltage up to 18v peak-to-peak from a 3v supply voltage or 27vpp from a 4.5v supply.
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