Smart Home Audio(325)




NAU8315B31VG is a highly efficient, filter-free, mono Class-D audio amplifier, which is capable of driving a 4Ω load with up to 3.2W output power. This device provides Enable control and I2S audio input with low standby current and fast start-up time. 

The NAU8315B31VG is ideal for the portable applications. NAU8315B31VG provides advance features, such as 80dB PSRR, 91% efficiency, ultra-low quiescent current and superior EMI performance.

Target Applications:

Gaming Controllers
Wireless (VR) Headset
Smart Remote Controller
Notebooks / Tablet PCs
Personal Media Players
Ultrasonic speakers

Key Features:

Audio Input
  - Digital Audio Interface: I2S / PCM Input
  - Pin Selectable I2S Left or Right Channel selection
  - Pin Selectable PCM Time slot
  - Sampling Rates: 8K ~ 96KHz
  - 80dB PSRR@217Hz 
Audio Output
  - Powerful Mono Class-D Amplifier
  - 3.2W (4Ω @ 5V, 10% THD+N)
  - 1.76W (4Ω @ 4.2V, 1% THD+N)
  - 1.8W (8Ω @ 5V, 10% THD+N)
  - 1.0W (8Ω @ 4.2V, 1% THD+N)
  - Low Output Noise: 12 µVRMS
Advance Feature
  - Low Current Shutdown and Standby Modes
  - Click-and Pop Suppression: 26 µVRMS
Operating Characteristics
  - Voltage range: 2.5V ~ 5.25V
  - Temperature range: -40°C ~ 85°C
  - WLCSP-12 (1.95x1.18mm)
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