NAU82011YG

The 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.

The 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-end input
- DC PSRR Typ.@95dB
- CMRR Typ.@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: 2.5 V to 5.5 V
- Temperature range: -40°C to 85°C
- Low Quiescent Current: 1.2mA@3.6V, 1.7mA@5V

• Package
- QFN-16 (3x3mm)