VS1053B

Part: VS1053b

Type: Ogg Vorbis/MP3/AAC/WMA/FLAC/MIDI Audio Codec Circuit

Description: A single-chip audio decoder and encoder supporting multiple formats including Ogg Vorbis, MP3, AAC, WMA, FLAC, WAV, and MIDI, featuring a high-performance DSP core, integrated stereo DAC with earphone driver, and stereo ADC.

Operating Conditions:

• Supply voltage: AVDD 2.6–3.6 V, CVDD 1.7–1.85 V, IOVDD 1.8–3.6 V
• Operating temperature: -40 to +85 °C
• Input Clock Frequency: 12–13 MHz
• Internal Clock Frequency: 12–55.3 MHz

Absolute Maximum Ratings:

• Max analog positive supply (AVDD): 3.6 V
• Max digital positive supply (CVDD): 1.85 V
• Max I/O positive supply (IOVDD): 3.6 V
• Max current at any non-power pin: ±50 mA
• Max storage temperature: +150 °C

Key Specs:

• DAC Resolution: 18 bits
• DAC Total Harmonic Distortion (-3dB of full-scale): 0.04 %
• DAC Dynamic Range (A-weighted): 100 dB
• DAC S/N Ratio (full scale signal): 94 dB
• DAC Interchannel Isolation (30 Ω + GBUF): 53 dB
• Earphone driver load capability: 30 Ω
• Instruction RAM: 16 KiB
• Data RAM: 0.5+ KiB

Features:

• Decodes Ogg Vorbis, MP3, AAC-LC, HE-AAC v2, WMA, MIDI, FLAC (with plugin), WAV (PCM + IMA ADPCM)
• Encodes Ogg Vorbis (with plugin), stereo IMA ADPCM / PCM
• Streaming support for MP3 and WAV
• EarSpeaker Spatial Processing
• Bass and treble controls
• Operates with a single 12–13 MHz or 24–26 MHz clock
• Internal PLL clock multiplier
• Low-power operation
• High-quality on-chip stereo DAC with no phase error between channels
• Zero-cross detection for smooth volume change
• Stereo earphone driver capable of driving a 30 Ω load
• Quiet power-on and power-off
• I2S output interface for external DAC
• Separate voltages for analog, digital, I/O
• On-chip RAM for user code and data
• Serial control and data interfaces (SPI)
• Can be used as a slave co-processor
• SPI flash boot for special applications
• UART for debugging purposes
• Up to 8 general purpose I/O pins
• Lead-free RoHS-compliant package

Applications:

• Audio decoding and encoding in embedded systems
• Digital audio players
• Audio recording devices

Package:

• LQFP-48

· Decodes Ogg Vorbis; MP3 = MPEG 1 & 2 audio layer III (CBR +VBR +ABR); MP1/MP2 = layers I & II optional; MPEG4/2 AAC-LC(+PNS), HE-AAC v2 (Level 3) (SBR + PS); WMA4.0/4.1/7/8/9 all profiles (5-384 kbps); General MIDI 1 / SP-MIDI format 0 files; FLAC with software plugin; WAV (PCM + IMA ADPCM)

• Encodes Ogg Vorbis w/ software plugin
• Encodes stereo IMA ADPCM / PCM
• Streaming support for MP3 and WAV
• EarSpeaker Spatial Processing
• Bass and treble controls
• Operates with a single 12..13 MHz clock
• Can also be used with a 24..26 MHz clock
• Internal PLL clock multiplier
• Low-power operation
• High-quality on-chip stereo DAC with no phase error between channels
• Zero-cross detection for smooth volume change
• Stereo earphone driver capable of driving a 30 Ω load
• Quiet power-on and power-off

4 CHARACTERISTICS & SPECIFICATIONS