Smart Home Audio(325)




NAU82011YG 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 2.9W output power. This device provides chip enable pin with extremely low standby current and fast start-up time of 4ms.

NAU82011YG is ideal for battery driven portable applications. NAU82011YG features 91% 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 95dB
  - CMRR 63dB
Audio Output
  - Powerful Mono Class-D Amplifier
  - 2.9W (4Ω @ 5V, 10% THD+N)
  - 2.3W (4Ω @ 5V, 1% THD+N)
  - Low Output Noise: 20 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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