# 2.5W Amplifier - PAM8302 3aUt ## Description This super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC. ## Project Details - **Owner:** oozliuoo - **Created:** 2/8/2022 - **Last Updated:** 2/8/2022 - **Visibility:** Public ## Key Components ### FB1 — [Ferrite Bead_0805_2012](https://www.flux.ai/adrian95/ferrite-bead08052012.md) **Pins:** - P1 - P2 ### FB2 — [Ferrite Bead_0805_2012](https://www.flux.ai/adrian95/ferrite-bead08052012.md) **Pins:** - P1 - P2 ### J1 — [Connector 01x05](https://www.flux.ai/adrian95/pin-header-01x05-254mm-vertical.md) - Part Type: Connector - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=640452&DocType=Customer+Drawing&DocLang=English - Manufacturer Part Number: 640452-5 - Manufacturer Name: Texas Instruments Inc. **Pins:** - 1 - 2 - 3 - 4 - 5 ### J2 — [OSTTF020161](https://www.flux.ai/adrian95/osttf020161.md) - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/On%20Shore%20PDFs/OSTTFXX0161_Dwg.pdf - Part Type: Connector - Manufacturer Part Number: OSTTF020161 **Pins:** - 1 - 2 ### U1 — [PAM8302AASCR](https://www.flux.ai/adrian95/pam8302aascr.md) - Manufacturer Part Number: PAM8302AASCR - Datasheet URL: https://www.diodes.com/assets/Datasheets/PAM8302A.pdf - Manufacturer Name: Diodes Incorporated - Part Type: Integrated Circuit **Pins:** - GND - IN- - IN+ - NC - SD - V_OUT- - V_OUT+ - VDD ### VR1 — [3303W-3-103E](https://www.flux.ai/adrian95/3303w-3-103e.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Bourns%20PDFs/3303.pdf - Part Type: Potentiometer - Manufacturer Part Number: 3303W-3-103E - Manufacturer Name: Bourns Inc. **Pins:** - 1 - 2 - 3 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/oozliuoo/25w-amplifier-pam8302-3aut](https://www.flux.ai/oozliuoo/25w-amplifier-pam8302-3aut).* --- *Generated from [https://www.flux.ai/oozliuoo/25w-amplifier-pam8302-3aut](https://www.flux.ai/oozliuoo/25w-amplifier-pam8302-3aut)*