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TDA8580 Multi-purpose power amplifier 4 x 20 W

FEATURES

  • Operating voltage from 8 to 28 V
  • Low distortion
  • Few external components, fixed gain
  • High output power
  • Can be used as a stereo amplifier in bridge-tied load (BTL) or quad single-ended (SE) amplifiers
  • Single-ended mode without loudspeaker capacitor
  • Mute and standby mode with one- or two-pin operation
  • Diagnostic information for Dynamic Distortion Detector (DDD), high temperature (145 °C) and short-circuit
  • No switch on/off plops when switching between‘standby’ to ‘mute’ and from ‘mute’ to ‘on’
  • Low offset variation at outputs between ‘mute’ and ‘on’
  • Fast mute on supply voltage drops.

Protection

  • Reverse polarity safe
  • Short-circuit proof to ground, positive supply voltage on all pins and across load
  • ESD protected on all pins
  • Thermal protection against temperatures exceeding 150 °C
  • Load dump protection
  • Protected against open-circuit ground pins and output short-circuited to supply ground.

GENERAL DESCRIPTION

The TDA8580 is a stereo bridge-tied load (BTL) or a quad single-ended amplifier that operates over a wide supply voltage range from 8 to 28 V. This makes it suitable formany applications, such as car radios, television and home-sound systems. Because of an internal voltage buffer, this device can be used without a capacitor connected in series with the load (SE application). A combined BTL and 2 × SE application can also be configured.

Circuit Diagram
Stereo bridge-tied load application

Quad single-ended application

Dual single-ended and one bridge-tied load application

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