Overview
The TAS3108IADCPR, produced by Texas Instruments, is a high-performance audio digital signal processor (DSP) designed for various audio processing applications. This device is part of the TAS3108 and TAS3108IA family, with the TAS3108IADCPR being a specific package variant. It features a robust architecture optimized for digital audio processing, including a 48-bit data path, 28-bit filter coefficients, and a single-cycle 28 × 48-bit multiplier with a 76-bit accumulator. The device also includes an embedded 8051 microprocessor for algorithm and data control.
Key Specifications
| Parameter | Specification |
|---|---|
| Maximum Speed | 135 MHz |
| Data Path | 48-bit |
| Filter Coefficients | 28-bit |
| Multiply Accumulate | 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 |
| Sample Rates | 32 kHz to 192 kHz |
| Serial Audio Ports | 8 channels, supporting 2, 4, 6, or 8 channel TDM formats |
| 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 applications) |
| I2C Interface | Two I2C ports for slave or master operation |
Key Features
- High-performance audio processing with a 48-bit data path and 28-bit filter coefficients
- Single-cycle, 76-bit multiply accumulate and dither generator
- Support for various serial audio formats including left justified, right justified, and I2S
- Eight serial audio input and output ports with TDM support for 2, 4, 6, or 8 channels
- Embedded 8051 microprocessor for algorithm and data control
- Two I2C ports for slave or master operation
- Efficient log2/2x estimator and soft volume controller
- Single 3.3-V power supply with internal voltage regulators
Applications
- Automotive sound systems
- Digital televisions
- Home theater systems
- Mini-component audio systems
Q & A
- What is the maximum operating speed of the TAS3108IADCPR?
The maximum operating speed is 135 MHz. - What types of serial audio formats does the TAS3108IADCPR support?
The device supports left justified, right justified, and I2S serial data formats. - How many serial audio input and output ports does the TAS3108IADCPR have?
The device has eight serial audio input and output ports. - What is the range of sample rates supported by the TAS3108IADCPR?
The device supports sample rates from 32 kHz to 192 kHz. - Does the TAS3108IADCPR have an embedded microprocessor?
Yes, it includes an embedded 8051 microprocessor. - What is the power supply requirement for the TAS3108IADCPR?
The device requires a single 3.3-V power supply. - Is the TAS3108IADCPR suitable for automotive applications?
Yes, the TAS3108IA version is AEC-Q100 Grade 2 compliant for automotive applications. - How many I2C ports does the TAS3108IADCPR have?
The device has two I2C ports for slave or master operation. - What types of memory does the TAS3108IADCPR have?
The device includes 3K words of 54-bit program RAM, 1K words of 48-bit data RAM, 1K words of 28-bit coefficient RAM, and 5.8K words of 24-bit delay RAM. - What is the package type of the TAS3108IADCPR?
The device is packaged in a 38-pin Thin Shrink Small-Outline Package (TSSOP).
