Product Classification
Class D power amplifier
ACM3221

Features 

● Single Supply Voltage 

- PVDD: 2.5V to 5.5V 

● Various Output Configurations 

- 1×2.4W, 1% THD+N, 5V, 4

- 1×1.4W, 1% THD+N, 5V, 8

● Excellent Audio Performance 

- THD+N ≤ 0.05% at 10mW, 1kHz, PVDD = 3.7V 

- Idle switching A-weighted noise ≤ 12 

- <=1mV output DC offset 

- 93% efficient @1.7W Pout, 8

- Low Idle Current: <1.2mA, PVDD=3.7V 

- Click-and-Pop Suppression 

● Low EMI Technology 

- Spread Spectrum Supported 

● Gain Management 

- 12dB, 9dB, 6dB, 3dB and 0dB fixed gain setting 

● Protections 

- Thermal and Overcurrent Protection 

- Under-Voltage detection 


 Applications 

● Cellular Phones/Watches 

● Tablets 

● Portable Audio Players 

● TWS/OWS Headsets

● VR/AR Glasses


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