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PAM8908 - 60mW TRUE CAP FREE STEREO HEADPHONE AMPLIFIER

General Description

The PAM8908 stereo headphone driver is designed for portable equipment where board space is at a premium.

Key Features

  • Patent Pending 3 Phase Power Line Shift Charge Pump Eliminates Need for DC-Blocking Capacitors.
  • True Cap Free Architecture, Output Biased at 0V (System Ground).
  • Excellent Low Frequency Fidelity.
  • 80dB PSRR at 1kHz.
  • Less than 1µA Shutdown Current.
  • Support Both Fully Differential and Single-Ended Inputs.
  • Short-Circuit and Overtemperature Protections.
  • Selectable Gain Settings: -6dB, 0dB, 3dB and 6dB.
  • Available in Space.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PAM8908 60mW TRUE CAP FREE STEREO HEADPHONE AMPLIFIER Description The PAM8908 stereo headphone driver is designed for portable equipment where board space is at a premium. The PAM8908 uses a unique, patent pending architecture to produce a ground-referenced output from a single supply, eliminating the need for large DCblocking capacitors, saving cost, board space, and component height. The PAM8908 delivers up to 60mW per channel into a 32Ω load and has low 0.03% THD+N. A high power-supply rejection ratio (80dB at 1kHz) allows this device to operate from noisy digital supplies without an additional linear regulator. The PAM8908 operates from a single supply from 2.5V to 5.5V and has short-circuit and overtemperature protections. Shutdown mode reduces supply current to less than 1µA.