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TDA8551 Description

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. The TDA8551T es in an 8 pin SO package and the TDA8551 in a 8 pin DIP package.

TDA8551 Key Features

  • One pin digital volume control
  • Volume setting with UP/DOWN pulses
  • Flexibility in use
  • Few external ponents
  • Low saturation voltage of output stage
  • Standby mode controlled by CMOS patible levels
  • Low standby current
  • No switch-on/switch-off plops
  • High supply voltage ripple rejection
  • Protected against electrostatic discharge