NAU8223
NAU8223 is 3.1W Stereo Filter-Free Class-D Audio Amplifier manufactured by Nuvoton Technology.
Description
The NAU8223 is a stereo high efficiency filter-free Class-D audio amplifier, 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 3.4ms. It has five selectable gain settings (i.e. 0d B, 6d B, 12d B, 18d B and 24d B), which can be controlled by a single gain pin.
The NAU8223 is ideal for the portable applications of battery drive, as it has advanced features like 87d B PSRR, 91% efficiency, ultra low quiescent current (i.e. 2.1m A at 3.7V for 2 channels) and superior EMI performance. It has the ability to configure the inputs in either single-ended or differential mode.
NAU8223 is available in Miniature QFN-20 package and TSSOP-20 package.
Key Features
Low Quiescent Current:
- 2.1m A at 3.7V for 2 channels
- 3.2m A at 5V for 2 channels
5 Selectable Gain Settings:
- 0d B / 6d B / 12d B / 18d B / 24d...
