AD51653-HH20NRR

AUDIO AMPLIFIER

AD51653-HH20NRR

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AD51653-HH20NRR

SEMIPICK - AD51653 Datasheet / The AD51653 is a mono, class-D audio amplifier with a built-in, adaptive charge pump circuit for better system power efficiency. Due to its design, AD51653 can provide a constant 3W peak output power with 4ohm speaker at 4.2V of battery output voltage. When the amplitude of the input audio signal is below a threshold, AD51653 operates in power-saving mode, which disables the charge-pump circuit to save power, and the amplifier is directly powered by the battery. When the amplitude of the audio signal exceeds the threshold level, AD51653 enables the charge-pump circuit to generate a regulated, 2xVDD (input power) power supply up to 6.5V, to drive the amplifier. Since most of time the audio signal is below the threshold level, this feature prolongs the battery life effectively without sacrificing the output quality.

DATASHEET

■ SALES INFORMATION

  • ORIGINTAIWAN
  • MANUFACTUREESMT
  • STOCK0
  • DATECODE2022
  • DELIVERY [ STOCK ]Out of stock
  • DELIVERY [ NORMAL ]30W

■ PRODUCTS SPECIFICATION

  • MAKERESMT
  • SORTLow Power Class D
  • CHANNEL5.5V
  • VIN [ V ]1CH ~ 2.8V
  • POWER [ W ]4.2W
  • LOAD [ ohm ]4ohm, 8ohm
  • FeaturesClass K, NCN, Charge pump
  • PACKAGETQFN-20

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