Overview
The STA559BW13TR from STMicroelectronics is a highly integrated digital audio system designed for high-efficiency audio applications. This chip combines digital audio processing, digital amplifier controls, and a power output stage, making it an ideal solution for various audio systems. It supports multiple power output configurations and features advanced audio processing capabilities, including dynamic range compression, anti-clipping modes, and customizable audio presets.
Key Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage | 4.5 V to 16 V |
| Power Output Configurations | 2 channels of ternary PWM (2 x 3 W into 4 Ω at 5 V) + PWM output, 2 channels of ternary PWM (2 x 3 W into 4 Ω at 5 V) + ternary stereo line-out, 2.1 channels of binary PWM (left, right, LFE) |
| Input Sample Rates | Selectable 32- to 192-kHz |
| Digital Interface | I²C control with selectable device address, 2-channel I²S input data interface |
| Volume Control | Digital gain/attenuation +48 dB to -80 dB with 0.5-dB/step resolution |
| Protection Features | Thermal overload and short-circuit protection embedded |
| Package | PowerSSO-36 with exposed pad down (EPD) |
Key Features
- Wide-range supply voltage from 4.5 V to 16 V
- Multiple power output configurations including ternary PWM and binary PWM
- FFX with 100-dB SNR and dynamic range
- Selectable input sample rates from 32 kHz to 192 kHz
- I²C control with selectable device address
- Digital gain/attenuation with 0.5-dB/step resolution
- Individual channel and master gain/attenuation
- Two independent limiters/compressors with dynamic range compression or anti-clipping modes
- Audio presets including crossover filters, anti-clipping modes, and night-time listening mode
- Advanced AM interference frequency switching and noise suppression modes
- Thermal overload and short-circuit protection
Applications
The STA559BW13TR is suitable for a variety of high-efficiency audio applications, including:
- Automotive audio systems
- Home audio systems
- Portable audio devices
- Industrial audio equipment
- Video applications supporting 576 x fS input mode
Q & A
- What is the supply voltage range of the STA559BW13TR? The supply voltage range is from 4.5 V to 16 V.
- What are the different power output configurations available? The chip supports 2 channels of ternary PWM, ternary stereo line-out, and 2.1 channels of binary PWM.
- What are the selectable input sample rates? The input sample rates are selectable from 32 kHz to 192 kHz.
- Does the STA559BW13TR have thermal protection? Yes, it has thermal overload and short-circuit protection embedded.
- What type of digital interface does it use? It uses I²C control with a selectable device address and a 2-channel I²S input data interface.
- What is the package type of the STA559BW13TR? The package type is PowerSSO-36 with an exposed pad down (EPD).
- Does it support audio presets? Yes, it supports various audio presets including crossover filters, anti-clipping modes, and night-time listening mode.
- Can the gain/attenuation be controlled digitally? Yes, the digital gain/attenuation range is from +48 dB to -80 dB with 0.5-dB/step resolution.
- Are there any noise suppression features? Yes, it includes advanced AM interference frequency switching and noise suppression modes.
- What is the typical application of this chip? It is typically used in automotive, home, and portable audio systems, as well as industrial audio equipment.
