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VS1011b - MP3 AUDIO CODEC

VLSI

The VS1011b by VLSI is a MP3 AUDIO CODEC. Below is the official datasheet preview.

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VS1011b MP3 AUDIO CODEC by VLSI - Datasheet Preview — Official preview page of the VS1011b MP3 AUDIO CODEC datasheet (VLSI).

Datasheet Details

Part number	VS1011b
Manufacturer	VLSI
File Size	431.42 KB
Description	MP3 AUDIO CODEC
Datasheet	VS1011b-VLSI.pdf
Additional preview pages of the VS1011b datasheet.

VS1011b Product details

Description

VS1011b is a single-chip MP3 audio decoder.

Features

Decodes MPEG 1 & 2 audio layer 3 (ISO 11172-3), WAV and PCM ﬁles.
Supports VBR (variable bitrate) for MP3.
Stream support.
Can be used as a slave co-processor.
Operates with single clock 12.288..14 MHz or 24.576..28 MHz.
Low-power operation.
High-quality stereo DAC with no phase er- ror between channels.
Stereo earphone driver capable of driving a 30Ω load.
Separate 2.5 . . 3.6V operating voltages for analog and di.

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Published: Nov 2, 2025 |