Overview
The TDA7719TR, produced by STMicroelectronics, is a high-performance signal processor specifically designed for car radio applications. This device integrates a high-performance audio processor with fully integrated audio filters and features the new Soft Step architecture. It is AEC-Q100 qualified, ensuring reliability and performance in automotive environments. The TDA7719TR is built using the BCMOS process, which provides low distortion and low noise, enhancing the overall audio quality.
Key Specifications
| Specification | Details |
|---|---|
| Package | TSSOP28 |
| Input Multiplexer | Multiple input configuration for different applications |
| Loudness | 2nd order frequency response, programmable center frequency, 15 dB with 1 dB steps, selectable high frequency boost, and flat-mode |
| Volume Control | +15 dB to -15 dB with 1 dB step resolution, soft-step control with programmable blend times |
| Bass Control | 2nd order frequency response, center frequency programmable in 4 steps, Q programmable (1.0/1.25/1.5/2.0), DC gain programmable (-15 to 15 dB range with 1 dB resolution) |
| Middle Control | 2nd order frequency response, center frequency programmable in 4 steps, Q programmable (0.5/0.75/1.0/1.25), -15 to 15 dB range with 1 dB resolution |
| Treble Control | 2nd order frequency response, center frequency programmable in 4 steps, -15 to 15 dB range with 1 dB resolution |
| Speaker Control | 4 independent soft step speaker controls, 0 dB to -79 dB with 1 dB steps, direct mute |
| Subwoofer Filter | 2nd order low pass filter with programmable cut off frequency, 2 independent soft step level control |
| Mute Functions | Direct mute, digitally controlled SoftMute with 4 programmable mute-times |
| Offset Detection | Offset voltage detection circuit for on-board power amplifier failure diagnosis |
| Level Meter | Provide rectified level voltage of main source signal (before loudness) |
Key Features
- Input Multiplexer: Allows multiple input configurations for different applications.
- Loudness Control: Features a 2nd order frequency response with programmable center frequency, high frequency boost, and flat-mode.
- Volume and Tone Controls: Includes soft-step control for volume, bass, middle, and treble with programmable characteristics.
- Speaker and Subwoofer Controls: Offers independent soft step controls for speakers and a 2nd order low pass filter for the subwoofer.
- Mute Functions: Includes direct mute and digitally controlled SoftMute with programmable mute times.
- Offset Detection and Level Meter: Provides offset voltage detection for power amplifier failure diagnosis and a level meter for the main source signal.
- Soft Step Architecture: Ensures smooth and noise-free transitions in audio settings.
Applications
The TDA7719TR is specifically designed for car radio applications, enhancing the audio experience in automotive systems. It is suitable for use in:
- Car audio systems
- Automotive infotainment systems
- Vehicle sound processing systems
Q & A
- What is the TDA7719TR used for?
The TDA7719TR is a high-performance signal processor designed for car radio applications.
- What type of package does the TDA7719TR come in?
The TDA7719TR comes in a TSSOP28 package.
- What are the key features of the loudness control in the TDA7719TR?
The loudness control features a 2nd order frequency response, programmable center frequency, 15 dB with 1 dB steps, selectable high frequency boost, and flat-mode.
- How does the TDA7719TR manage volume control?
The TDA7719TR offers volume control with +15 dB to -15 dB range and 1 dB step resolution, along with soft-step control and programmable blend times.
- What are the mute functions available in the TDA7719TR?
The TDA7719TR includes direct mute and digitally controlled SoftMute with 4 programmable mute times.
- Does the TDA7719TR have any diagnostic features?
Yes, it includes an offset voltage detection circuit for on-board power amplifier failure diagnosis.
- What is the purpose of the level meter in the TDA7719TR?
The level meter provides the rectified level voltage of the main source signal before loudness processing.
- Is the TDA7719TR suitable for automotive environments?
Yes, it is AEC-Q100 qualified, ensuring reliability and performance in automotive environments.
- What is the Soft Step architecture in the TDA7719TR?
The Soft Step architecture ensures smooth and noise-free transitions in audio settings.
- Can the TDA7719TR be used in other applications besides car radios?
While it is specifically designed for car radio applications, it can be considered for other automotive audio processing needs due to its versatile features.
