Overview
The TAS3108IADCPRG4, produced by Texas Instruments, is a high-performance audio digital signal processor (DSP) designed for advanced audio processing applications. This device is part of the TAS3108 and TAS3108IA family, with the TAS3108IA version being specifically qualified for automotive use. The TAS3108IADCPRG4 features a robust architecture that includes a 48-bit data path, 28-bit filter coefficients, and a single-cycle 76-bit multiply accumulate unit, ensuring high-quality audio processing.
Key Specifications
| Specification | Details |
|---|---|
| Data Path | 48-bit |
| Filter Coefficients | 28-bit |
| Multiply Accumulate Unit | Single-cycle, 76-bit |
| Memory | 3K words of 54-bit program RAM, 1K words of 48-bit data RAM, 1K words of 28-bit coefficient RAM, 5.8K words of 24-bit delay RAM |
| Microprocessor | Embedded 8051 microprocessor |
| Serial Audio Ports | 8 channels, supports 16-, 20-, 24-, and 32-bit word sizes, left justified, right justified, and I2S formats |
| Sample Rates | 32 kHz to 192 kHz |
| Clock Speed | Up to 135 MHz |
| Power Supply | Single 3.3-V supply |
| Package | 38-pin Thin Shrink Small-Outline Package (TSSOP) |
| Operating Temperature | -40°C to 105°C (AEC-Q100 Grade 2 compliant for automotive) |
Key Features
- High-performance audio DSP core with 48-bit data path and 28-bit coefficients
- Single-cycle, 76-bit multiply accumulate unit
- Support for various serial audio formats including left justified, right justified, and I2S
- Time-division multiplex (TDM) data formats for 4, 6, or 8 channels
- Embedded 8051 microprocessor for algorithm and data control
- I2C interface with two I2C ports for slave or master operation
- Soft volume controller and dither generator
- Efficient log2/2x estimator and support for up to five simultaneous operations per clock cycle
Applications
- Automotive sound systems
- Digital televisions
- Home theater systems
- Mini-component audio systems
Q & A
- What is the primary function of the TAS3108IADCPRG4?
The primary function of the TAS3108IADCPRG4 is to provide high-performance audio processing for various applications. - What are the key components of the TAS3108IADCPRG4's architecture?
The architecture includes a 48-bit data path, 28-bit filter coefficients, a single-cycle 76-bit multiply accumulate unit, and an embedded 8051 microprocessor. - What types of serial audio formats does the TAS3108IADCPRG4 support?
The device supports left justified, right justified, and I2S serial audio formats. - What is the range of sample rates supported by the TAS3108IADCPRG4?
The device supports sample rates from 32 kHz to 192 kHz. - What is the maximum clock speed of the TAS3108IADCPRG4?
The maximum clock speed is up to 135 MHz. - What type of power supply does the TAS3108IADCPRG4 require?
The device requires a single 3.3-V power supply. - What is the package type of the TAS3108IADCPRG4?
The device is packaged in a 38-pin Thin Shrink Small-Outline Package (TSSOP). - Is the TAS3108IADCPRG4 suitable for automotive applications?
Yes, the TAS3108IA version is AEC-Q100 Grade 2 compliant for automotive applications. - What is the operating temperature range of the TAS3108IADCPRG4?
The operating temperature range is -40°C to 105°C. - Does the TAS3108IADCPRG4 support TDM data formats?
Yes, it supports TDM data formats for 4, 6, or 8 channels.
