# Low-Voltage-Audio-Power-Amplifier ## Description A Low-Voltage Audio Power Amplifier is a device designed to amplify audio signals while operating at low supply voltages, typically between 1.8V to 5V. These amplifiers are commonly used in battery-powered devices like portable speakers, headphones, and other mobile audio applications where power efficiency and compact size are crucial. ## Project Details - **Owner:** mahesh123 - **Created:** 8/24/2024 - **Last Updated:** 8/25/2024 - **Visibility:** Public ## Key Components ### J2 — [SJ-3523-SMT-TR](https://www.flux.ai/vasy_skral/sj-3523-smt-tr~6n4.md) - Part Type: Connector - Manufacturer Part Number: SJ-3523-SMT-TR - Manufacturer Name: CUI Devices - Datasheet URL: https://www.cuidevices.com/product/resource/sj-352x-smt.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - R [pin R] - S [pin S] - T [pin T] ### RV1 — [3224W-1-104E](https://www.flux.ai/jharwinbarrozo/3224w-1-104e~do.md) - Manufacturer Name: Bourns - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810271112_BOURNS-3224W-1-103E_C81348.pdf - Manufacturer Part Number: 3224W-1-104E - Part Type: Resistor - Resistance: 10kΩ **Pins:** - P1 - P2 - P3 ### SPK1 — [GSPK2308P-8R0.5W](https://www.flux.ai/markwuflux/gspk2308p-8r0p5w~of.md) - Manufacturer Name: INGHAi - Height: 8mm - Datasheet URL: https://datasheet.lcsc.com/lcsc/2007231713_INGHAi-GSPK2308P-8R0-5W_C530532.pdf - DPN: C530532 - Manufacturer Part Number: GSPK2308P-8R0.5W **Pins:** - - - + ### U1 — [LM386D](https://www.flux.ai/vasy_skral/lm386d~du.md) - Manufacturer Name: HTC Korea TAEJIN Tech - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: LM386D - Datasheet URL: https://datasheet.lcsc.com/lcsc/2004111632_HTC-Korea-TAEJIN-Tech-LM386D_C510560.pdf **Pins:** - -INPUT [pin 2] - +INPUT [pin 3] - BYPASS [pin 7] - GAIN [pin 8] - GAIN [pin 1] - GND [pin 4] - OUTPUT [pin 5] - V+ [pin 6] ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: 9V **Pins:** - ANODE - CATHODE *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mahesh123/low-voltage-audio-power-amplifier~pa](https://www.flux.ai/mahesh123/low-voltage-audio-power-amplifier~pa).* --- *Generated from [https://www.flux.ai/mahesh123/low-voltage-audio-power-amplifier~pa](https://www.flux.ai/mahesh123/low-voltage-audio-power-amplifier~pa)*