6 Channel Volume Control

Now a better solution is uses the PT2325 to replace the multi-gang potentiometer. The PT2325 is designed for multi-channel Audio purpose, the chip has 6 groups built-in 48 steps volume Attenuator for each channel and running in synchronous, it only needs an external DC voltage to setting volume attenuation. In general application, a cheap single-gang potentiometer is work well to control whole channels volume. The DC volume setting also CAN be controlled by a PWM signal from the MCU and support 3.3V MCU bus voltage. By Princeton Technology Corp.
PT2325 's PackagesPT2325 's pdf datasheet

PT2325 Pinout, Pinouts
PT2325 pinout,Pin out
This is one package pinout of PT2325,If you need more pinouts please download PT2325's pdf datasheet.

PT2325 Application circuits
PT2325 circuits
This is one application circuit of PT2325,If you need more circuits,please download PT2325's pdf datasheet.

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PT2325 Pb-Free PT2325 Cross Reference PT2325 Schematic PT2325 Distributor
PT2325 Application Notes PT2325 RoHS PT2325 Circuits PT2325 footprint