Overview
The TDA7419TR is a high-performance signal processor designed specifically for car radio applications. Developed by STMicroelectronics, this device integrates a high-performance audioprocessor with fully integrated audio filters. The use of BICMOS-process and linear signal processing ensures low distortion and low noise. The digital control feature allows for programming a wide range of filter characteristics via an I2C bus interface.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (Vs) | 8.0 | 8.5 | 10 | V |
| Supply Current (Is) | 27 | 37 | 47 | mA |
| Operating Temperature Range (Tamb) | -40 | 85 | °C | |
| Storage Temperature Range (Tstg) | -55 | 150 | °C | |
| Input Resistance (Rin) - Single-ended | 70 | 100 | 130 | kΩ |
| Input Resistance (Rin) - Differential | 70 | 100 | 130 | kΩ |
| Common Mode Rejection Ratio (CMRR) | 46 | 70 | dB @ 1 kHz | |
| Output Noise @ Speaker Outputs | 12 | μV (20 Hz to 20 kHz, flat) |
Key Features
- Soft-step volume control
- Soft-step speaker/subwoofer control
- Sub woofer output
- Digital control via I2C bus interface
- 4 stereo inputs
- Bass, middle, treble, and loudness controls
- Four independent speaker outputs
- 7 bands spectrum analyzer
- Direct mute and soft-mute functions
Applications
The TDA7419TR is specifically designed for car radio applications, providing advanced audio processing capabilities. It is ideal for use in automotive infotainment systems where high-quality audio and flexible control over audio parameters are required.
Q & A
- What is the primary application of the TDA7419TR?
The TDA7419TR is primarily designed for car radio applications.
- What type of interface does the TDA7419TR use for digital control?
The TDA7419TR uses an I2C bus interface for digital control.
- How many stereo inputs does the TDA7419TR support?
The TDA7419TR supports 4 stereo inputs.
- What are the key audio controls provided by the TDA7419TR?
The TDA7419TR provides controls for bass, middle, treble, and loudness, as well as soft-step volume and speaker/subwoofer control.
- Does the TDA7419TR have a mute function?
- What is the operating temperature range of the TDA7419TR?
The operating temperature range is from -40°C to 85°C.
- What is the storage temperature range of the TDA7419TR?
The storage temperature range is from -55°C to 150°C.
- What is the typical supply current of the TDA7419TR?
The typical supply current is 37 mA.
- Does the TDA7419TR have a spectrum analyzer?
- How many independent speaker outputs does the TDA7419TR have?
The TDA7419TR has four independent speaker outputs.
