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TDA8551 - 1 W BTL audio amplifier with digital volume control

General Description

The TDA8551; TDA8551T is a one channel 1 W Bridge-Tied Load (BTL) audio power amplifier capable of delivering 1 W output power to an 8 Ω load at THD = 10% using a 5 V power supply.

The circuit contains a BTL power amplifier, a digital volume control and standby/mute logic.

Key Features

  • One pin digital volume control.
  • Volume setting with UP/DOWN pulses.
  • Flexibility in use.
  • Few external components.
  • Low saturation voltage of output stage.
  • Standby mode controlled by CMOS compatible levels.
  • Low standby current.
  • No switch-on/switch-off plops.
  • High supply voltage ripple rejection.
  • Protected against electrostatic discharge.
  • Outputs short circuit safe to ground, VP and across the load.

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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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INTEGRATED CIRCUITS DATA SHEET TDA8551 1 W BTL audio amplifier with digital volume control Product specification Supersedes data of 1997 May 07 1998 Feb 23 NXP Semiconductors 1 W BTL audio amplifier with digital volume control Product specification TDA8551 FEATURES • One pin digital volume control • Volume setting with UP/DOWN pulses • Flexibility in use • Few external components • Low saturation voltage of output stage • Standby mode controlled by CMOS compatible levels • Low standby current • No switch-on/switch-off plops • High supply voltage ripple rejection • Protected against electrostatic discharge • Outputs short circuit safe to ground, VP and across the load • Thermally protected.