This datasheet provides detailed information about the MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, including features, functions, and application overview.
The MAS 35x9F is a single‑chip, low‑power MPEG Layer 2/3, MPEG‑2 AAC and G.729 Annex A audio decoder designed for portable consumer audio applications. It integrates a high‑performance RISC DSP core, stereo D/A and A/D converters, headphone and microphone amplifiers, and two embedded DC/DC converters, providing a complete all‑in‑one solution.
The datasheet describes the functional blocks, pin configurations, electrical characteristics, and recommended application circuits. It also includes licensing notes for the MPEG‑2 AAC and G.729 technologies and provides contact information for further licensing inquiries.
| Supply voltage range | down to 2.5 V |
|---|---|
| Standby current | < 10 pA |
| DC/DC start‑up voltage | 0.9 V |
| DC/DC converter efficiency | up to 95 % |
| Power dissipation | down to 70 mW |
| External clock frequency | 13 … 28 MHz |
| Embedded DC/DC converters | Two independent converters |
It decodes MPEG Layer 2/3, MPEG‑2 AAC (low‑complexity profile), and the G.729 Annex A speech codec.
The MAS 35x9F includes two independent embedded DC/DC converters.
It supports an external clock or crystal frequency from 13 MHz to 28 MHz.