Stereo 2-w Audio Power Amplifier (with Dc_volume Control)

Stereo 2-w Audio Power Amplifier (with Dc_volume Control) , APA2120 APA2121 is a monolithic integrated circuit, which provides precise DC Volume Control and a stereo bridged Audio Power Amplifiers capable of producing 2.7W(2.0W) into 3 with less than 10% (1.0%) THD+N. The Attenuator range of the Volume Control in APA2120 APA2121 is from 20dB (DC_Vol=0V) to -80dB (DC_Vol=3.54V) with 32 steps. The advantage of internal gain setting CAN be less components and PCB area. Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in APA2120 APA2121 , that reduce pops and clicks noise dur- ing power up or shutdown mode operation. It also improves the power off pop noise and protects the chip from being destroyed by over temperature and short current failure. To simplify the Audio system design, APA2120 APA2121 combines a stereo bridge-tied loads (BTL) mode for speaker drive and a stereo single-end (SE) mode for Headphone drive into a single chip, where both modes are easily switched by the SE/BTL input control pin signal. Besides, the multiple input selection is used for portable Audio system. By Anpec Electronics Corporation
APA2120 's PackagesAPA2120 's pdf datasheet



APA2120 Pinout, Pinouts
APA2120 pinout,Pin out
This is one package pinout of APA2120,If you need more pinouts please download APA2120's pdf datasheet.

APA2120 Application circuits
APA2120 circuits
This is one application circuit of APA2120,If you need more circuits,please download APA2120's pdf datasheet.


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