2.1MHz switching Class-D Audio Amplifier Project
This project started as a CyberPit personal Interest project in 2020.
- Main project web page located at https://cyberpithilo.web.fc2.com/audio/tas6422amp/index.html
- The top page of CyberPit https://cyberpithilo.web.fc2.com/
- Yandex Machine translation link https://translate.yandex.com/translate?url=https%3A%2F%2Fcyberpithilo.web.fc2.com%2Faudio%2Ftas6422amp%2Findex.html&lang=ja-en
- Google Machine translation link https://translate.google.com/translate?hl=ja&sl=ja&tl=en&u=https%3A%2F%2Fcyberpithilo.web.fc2.com%2Faudio%2Ftas6422amp%2Findex.html&sandbox=1
- TI PCM9211 and TAS6422 Fully digital connected I2S audio signal path.
- Super high-speed(2.1MHz) swithcing PWM processing power amplifier output.
- GUSTARD U12 and WADIA Compatible LVDS(HDMI Connector Used)I2S Input
- Optical S/PDIF Input and Output
- Coaxial S/PDIF Input
- RCA-pin 24bit Analog Stereo Signal Input
- Rotally Encorder for 0.5dB step Volume and paramenter control.
- 3 digits LED Display
- Last volume setting memory
- Selectable 6db/oct HPF Frequency(can be bypassed by setting)
- Selectable Output Phase (IN/OUT)
- J8 header for instant standby/mute operation
- Split-able Control part PCB
- Single Power Supply
- Texas Instrument TAS6422-Q1 (Class-D Amp)
- Texas Instrument PCM9211 (ADC/DIR/DIT/I2S Matrix)
- Microchip PIC16F1829 or PIC16F18346 (MCU)
- Texas Instrument DS90LV048ATMX (LVDS Reciever)
- Schematic & Board Design Tool: Ki-CAD
- MCU Software Development Tool: MPLAB X
This work and all other materials are licensed under a Creative Commons Attribution Share-Alike 4.0 license. This allows for both personal and commercial derivative works, as long as they credit "Designed by CyberPit HILO" and release their designs under the same license.
IR Remote receiver had embedded in this design. But I don't have enough time to develop. I hope someone will fork this project and give me a pull request. Nice to have support for Apple Remote MM4T2AM/A, etc...