Smart Home Audio(325)




NAU83P20YGB is a Class-D audio power stage that features single supply, 20W, high efficiency, for driving Stereo bridge-tied speakers. Operating from a single VDD 8V-24V supply, the design includes under-voltage, over-current and over-temperature detection.

Target Applications:

TV sound bar
Automotive Stereo System 
Portable Media Boombox 
Home entertainment system

Key Features:

Audio Input
  - 2 channel PWM Signal Input
Audio Output
  - Class D power 2 x 20W into 8Ohms (10% THD)
  - Power efficiency Typ.@90%
  - SNR Typ.@105dB

Supports multiple output configurations

  • 2-CH Bridged outputs (20W x 2)
  • 4-CH single ended outputs (10W x 4)
  • 2-CH single ended + 1-CH bridged (10W x 2 + 20W x 1)
Advance Feature
  - Over-Temperature Detection
  - Under-Voltage Detection
  - Over-Current Detection
Operating Characteristics
  - Voltage range: 4.5 V to 24 V
  - Temperature range: -40°C to 85°C
  - QFN-48 (7x7mm)