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NAU82011VG
NAU82011VG 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 3.1W output power. This device provides chip enable pin with extremely low standby current and fast start-up time of 4ms.
NAU82011VG is ideal for battery driven portable applications. NAU82011VG 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 | |
| - | 3.1W (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 | |
| • | Package | |
| - | WLCSP-9 (1.17x1.19mm) | |