General Description
The ST208 is an integrated low power MP3 decoder IC with embedded power amplifier. It is designed for battery applications with wide supply voltage range.
Features
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Single 3.3V power supply with sleep mode
Low power design with single 12MHz system clock operation
Wide supply voltage from 2.2V to 3.3V
Temperature ranged from 0 degree to 70 °C
ISO11172-3 and ISO13818-3 layer III audio decoding compliant
Very low power consumption (11.2mA at 3V)
Compatible with Sn/Pb and Pb-free solder processes
MP3 data stream support to 8kbps with 16k sampling rate adn up to 230kbps with 48k sampling rate
Support 16-bit PCB based WAVE file with 8k, 16k, 22.5k, 32k 44.1k and 48k sampling
Hardware accelerated host interface of SD (ver1.0 and 1.1) and MMC (ver3.X and 4.X)
FAT12, FAT16 and FAT32 file systems support for SD/MMC of card size from 16Mb up to 2.0Gb
Multi-level sub-directory file search and playback for SD/MMC
4M x 8 linear ROM interface for ROM code and audio file storage
Dual audio source playback sequence : SD/MMC card content first and then ROM content
Digital volume control and 10 band equalizer with +/- 20dB adjustment
Embedded mono 0.36W (for 8ohm load) 16-bit power efficient class D amplifier for direct speaker driving
Embedded stereo 16-bit earphone driver
External MOS connection for stereo speaker driving
Embedded watch dog timer
Anti-pop structure for both speaker and earphone output
RoHS compliant
Dice in tray / package
