Smart Home Audio(325)




NAU82039YG is a highly efficient, filter-free, mono Class-D audio amplifier with variable gain, which is capable of driving a 4Ω load with up to 3.2W output power. This device provides chip enable pin with extremely low standby current and fast start-up time of 4ms.

NAU82039YG is ideal for battery driven portable applications. NAU82039YG features 93% efficiency, low quiescent current (i.e. 1.25mA at 3.6V) and superior EMI performance. The audio input of this device can be configured as either single-ended or differential input mode.

Target Applications:

Portable Audio Device/Speaker
Portable Navigation Device
Tablet PC

Key Features:

Audio Input
  - Differential / Single-ended input
  - DC PSRR 90dB
  - CMRR 80dB
Audio Output
  - Powerful Mono Class-D Amplifier
  - 3.2W (4Ω @ 5V, 10% THD+N)
  - 2.5W (4Ω @ 5V, 1% THD+N)
  - Low Output Noise: 27 μVRMS
Advance Feature
  - Low Current Shutdown Mode
  - Click-and Pop Suppression
  - Integrated Image Reject Filter
  - Integrated feedback resistor of 300 kΩ
Operating Characteristics
  - Voltage range: 2.5V ~ 5.5V
  - Temperature range: -40°C ~ 85°C
  - Low Quiescent Current: 1.2mA@3.6V, 1.7mA@5V
  - QFN-16 (3x3mm)
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