Voice Band Audio Playback Using a PWM DAC
Description
Low cost audio output based upon timer generating PWM & external low-pass filter with amplifier stages for either headphone or speaker. Audio data is stored in an on-board SPI Flash. A PC GUI with launchpad passthrough code is provided to load SPI Flash with audio data.
Features
- Easily integrate code into existing systems (BoosterPack design for easy LaunchPad use8 bit PWM DAC playback with low-cost filteringMultiple playback frequencies supportedExternal SPI Flash storage for sound filesSPI Flash loading software includedHeadphone jack or speaker output with volume control
Applications
Product Categories
- Arm-based microcontrollers
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| Download the bill of materials for TIDM-VOICEBANDAUDIO | Download |
Schematic
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Download the schematic for TIDM-VOICEBANDAUDIOTest Data
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Download the test file for TIDM-VOICEBANDAUDIO| Title | Updated | Type | Size (KB) | |
|---|---|---|---|---|
| Voice Band Audio Playback Using a PWM DAC Bill of Materials (BOM) | 03 Mar 2015 | 215 | ||
| Voice Band Audio Playback Using a PWM DAC Schematic | 03 Mar 2015 | 408 | ||
| Voice Band Audio Playback Using a PWM DAC PCB Layout | 03 Mar 2015 | ZIP | 354 | |
| Voice Band Audio Playback Using a PWM DAC CAD Files | 03 Mar 2015 | ZIP | 468 | |
| Voice Band Audio Playback Using a PWM DAC Gerber Files | 03 Mar 2015 | ZIP | 297 |