Key facts
- Brand
- STMicroelectronics
- Model
- STA529
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-08
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STMicroelectronics STA529 Audio Codec Datasheet
The STA529 is a digital stereo class-D audio amplifier featuring an on-chip audio DSP and a high-efficiency class-D driver. It is designed for portable applications such as laptops and digital cameras, offering up to 96 dB dynamic range and sample rates from 8 kHz to 192 kHz. The device supports both digital-to-power-audio conversion and direct conversion modes without external LC filters or heatsinks.
The document provides comprehensive technical details including connection diagrams for TFBGA48 and VFQFPN52 packages, electrical and thermal specifications, PLL configuration, digital processing flow, and I2C interface descriptions. It also includes register summaries and package mechanical data.
STMicroelectronics STA529 specifications
| Dynamic range | Up to 96 dB |
|---|---|
| Sample rates | 8 kHz to 192 kHz |
| Digital power supply | 1.55 V to 1.95 V |
| Analog power supply | 1.80 V to 3.60 V |
| ADC resolution | 16-bit |
| ADC SNR | >90-dB |
| Efficiency | 90% |
| Output power (4-ohm speakers) | 1.1 W |
| Output power (32-ohm headphones) | 45 mW |
| Operating temperature range | -40 to 85 °C |
All STMicroelectronics STA529 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the efficiency of the STA529 PWM amplifier?
The PWM amplifier achieves greater than 90% efficiency for longer battery life.
Does the STA529 require external LC filters?
No, the innovative class-D modulation allows the STA529 to work without external LC filters and without a heatsink.
What are the available packages for the STA529?
The STA529 is available in TFBGA48 and VFQFPN52 packages.
Does the STA529 require external LC filters?
No, the innovative class-D modulation allows it to work without external LC filters.