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NAU83U25YG
NAU83U25YG is a highly efficient, filter-free, stereo Class-D audio amplifier, which is capable of driving a 4 Ω load with up to 3.0 W output power. This device provides I²C control and I²S audio input with low standby current and fast start-up time.
The NAU83U25YG is ideal for the automotive applications, as it has advanced features like AEC-Q100 grade 2, 80 dB PSRR, 90% efficiency, ultra-low quiescent current (i.e. 2.1 mA at 3.7V for 2 channels) and superior EMI performance.
Target Applications:
- Dashboard
- VSP (Vehicle Sound for Pedestrians)
- AVAS (Acoustic Vehicle Alerting System)
- ADAS (Advanced Driver Assist System)
- eCall / T-box
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: 8 ~ 96 kHz | |
| - | 80 dB PSRR @ 217 Hz | |
| • | Audio Output | |
| - | Powerful Stereo Class-D Amplifier | |
| - | 2 channels of 3.0 W (4Ω @ 5V, 10% THD+N) | |
| - | 2 channels of 1.32 W (4Ω @ 3.7V, 1% THD+N) | |
| - | 2 channels of 1.72 W (8Ω @ 5V, 10% THD+N) | |
| - | 2 channels of 0.75 W (8Ω @ 3.7V, 1% THD+N) | |
| - | LLow Output Noise: 18 μVRMS @ 0 dB gain | |
| • | Advance/Control Feature | |
| - | I²C Control Interface | |
| - | Gain Setting: 24 dB ~ -62 dB (plus mute) | |
| - | Low Current Shutdown and Standby Modes | |
| - | Click-and Pop Suppression | |
| • | Operating Characteristics | |
| - | Voltage range: 2.5V ~ 5.5V | |
| - | Temperature range: -40°C ~ 105°C (AEC-Q100 Automotive Grade 2) | |
| - | Low Quiescent Current:
|
|
| • | Package | |
| - | QFN-20 (4 x 4 mm) | |