VS1003/VS1103 SD Card Mini Player 2013 Edition

SD Card Mini Player


  • NEW VERSION (2013 Edition)
  • Mini player for SD card
  • Uses VS1003 or VS1103 device
  • SPI Boot EEPROM for customization, supplied as preprogrammed
  • Single AAA Cell Switching Power Supply
  • Headphone connector
  • SD Connector and Card
  • 3 Push-buttons, software power on/off


The VS1003 and VS1103 SD Card Mini Players are examples of the simplest possible  audio players. The VS1003 player supports MP3/WMA/MIDI/WAV (PCM, IMA ADPCM) and VS1103 supports MIDI/WAV (PCM, IMA ADPCM). The player requires just SD card, boot EEPROM, and oscillator to make a complete high quality player.

The VS1003/VS1103 SD Card Mini Player shows the direction on how SD card support can be added to an existing system. In many accessory products the price erosion of the Flash memory can be overcome by using SD card instead of an integrated Flash.

See the presentation here.

Typical characteristics

Analog Performance

  • max analog level about 500mVrms
  • dynamic range (A-weighted) > 90dB
  • distortion < 0.3%
  • frequency response 20-20kHz (+-0.1dB)

Power Consumption

  • minimum battery voltage 0.8V
  • active current from 1.2V battery about 100mA (1kHz WAV file, 30 ohm load)
  • "pause" current from 1.2V battery about 72mA
  • "off" current <1uA