Overview
The STA013$013TR, produced by STMicroelectronics, is a highly integrated MPEG 2.5 Layer III audio decoder. This single-chip decoder supports all features specified for Layer III in ISO/IEC 11172-3 (MPEG 1 Audio) and ISO/IEC 13818-3.2 (MPEG 2 Audio), as well as the lower sampling frequencies syntax extension known as MPEG 2.5. It is capable of decoding Layer III compressed elementary streams, including stereo, mono, and dual channel configurations. The device is designed for low power consumption and features a high degree of flexibility, making it suitable for various audio applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package / Case | SOIC-28 | |
| Power Supply Voltage (VDD) | 2.4 to 3.6 | V |
| Operating Temperature | -40 to +85 | °C |
| Storage Temperature | -40 to +150 | °C |
| Maximum Power Dissipation | 85 mW at 2.4V | |
| Sampling Frequencies | 48, 44.1, 32, 24, 22.05, 16, 12, 11.025, 8 KHz | |
| Data Rate | 8 Kbit/s to 320 Kbit/s | |
| Interface Type | Serial Input Interface, I2C, I2S | |
| Clock Frequencies | 10 MHz, 14.31818 MHz, 14.7456 MHz |
Key Features
- Supports MPEG 1, MPEG 2, and MPEG 2.5 Layer III audio decoding
- Decodes stereo, mono, and dual channel configurations
- Low power consumption: 85 mW at 2.4V
- Digital volume control and bass/treble control
- Serial bitstream input interface and serial PCM output interface (I2S and other formats)
- PLL for internal clock and output PCM clock generation
- CRC check and synchronization error detection with software indicators
- I2C control bus
- Low power 3.3V CMOS technology
- Supports various clock frequencies and can be configured for different frequencies upon request
Applications
- PC sound cards
- Multimedia players
- Other audio processing and playback devices requiring MPEG audio decoding
Q & A
- What is the STA013$013TR used for?
The STA013$013TR is used as an MPEG 2.5 Layer III audio decoder, capable of decoding compressed audio streams in various formats.
- What are the supported sampling frequencies?
The device supports sampling frequencies of 48, 44.1, 32, 24, 22.05, 16, 12, 11.025, and 8 KHz.
- What is the power consumption of the STA013$013TR?
The power consumption is 85 mW at 2.4V.
- What interfaces does the STA013$013TR support?
The device supports serial input interface, I2C, and I2S output interfaces.
- Can the STA013$013TR be used in different operating modes?
Yes, it can operate in Multimedia Mode and Broadcast Mode.
- What is the typical operating supply voltage range?
The typical operating supply voltage range is from 2.4V to 3.6V.
- Does the STA013$013TR support digital volume and tone control?
Yes, it supports digital volume control and bass/treble control.
- How does the STA013$013TR handle clock generation?
The device uses a PLL to generate the internal clock and output PCM clock from an external input clock or a built-in crystal oscillator.
- What is the storage temperature range for the STA013$013TR?
The storage temperature range is from -40°C to +150°C.
- Is the STA013$013TR compliant with industry standards?
Yes, it complies with ISO/IEC 11172-3 and ISO/IEC 13818-3.2 standards.
