NAU8325
Description
NAU8325/NAU83U25 is a stereo high efficiency filter-free Class-D audio amplifier, which is capable of driving a 4Ω load with up to 3.0W output power. This device provides I2C control and I2S audio input with low standby current and fast start-up time.
Key Features
- Low SPK_VDD Quiescent Current 2.1mA at 3.7V for 2 channels 3.2mA at 5V for 2 channels
- Gain Setting with 2 wire interface 22dB to -62dB (plus mute)
- Powerful Stereo Class-D Amplifier 2ch x 3.0W (4Ω @ 5V, 10% THD+N) 2ch x 1.32W (4Ω @ 3.7V, 1% THD+N) 2ch x 1.72W (8Ω @ 5V, 10% THD+N) 2ch x 0.75W (8Ω @ 3.7V, 1% THD+N)
- Low Output Noise: 18 µVRMS @0dB gain
- 80dB PSRR @217Hz
- Low Current Shutdown Mode
- Click-and Pop Suppression
- Package: QFN-20 / Wettable QFN-20
- Package is Halogen-free, RoHS-compliant and TSCA-compliant
