Overview
The TDA7561H, manufactured by STMicroelectronics, is a multifunction quad power amplifier designed specifically for car radio applications. This device utilizes BCD (Bipolar-CMOS-DMOS) technology and is packaged in a Flexiwatt25 format, available in both vertical and horizontal configurations. The TDA7561H features a DMOS output stage, which ensures very low distortion and a clear, powerful sound. It also includes a comprehensive diagnostics array that communicates the status of each speaker through an I2C bus, making it highly flexible and reliable for automotive audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage | 8 - 18 | V |
| Peak Supply Voltage (t = 50 ms) | 50 | V |
| Output Power (EIAJ, VS = 13.7 V, RL = 4 Ω) | 32 - 35 | W |
| Output Power (EIAJ, VS = 13.7 V, RL = 2 Ω) | 50 - 55 | W |
| Total Harmonic Distortion (THD) at 1 W to 10 W | 0.04 - 0.1% | % |
| Input Impedance | 80 - 130 | kΩ |
| Voltage Gain (GV1) | 25 - 27 | dB |
| Voltage Gain (GV2) | 11 - 13 | dB |
| Thermal Resistance (junction-to-case) | 1 | °C/W |
| Power Dissipation (Tcase = 70 °C) | 85 | W |
Key Features
- Multipower BCD technology
- DMOS power output stage for low distortion and clear sound
- High output power capability: up to 4 x 60 W / 2 Ω
- Full I2C bus driving for standby, independent front/rear soft play/mute, and selectable gain
- Comprehensive diagnostics including short circuit protection, clipping detector, and DC offset detection
- ESD protection and full fault protection
- Flexible configuration and behavior control via I2C bus
Applications
The TDA7561H is specifically designed for car radio applications, providing a robust and reliable audio solution for automotive systems. Its features make it suitable for a variety of in-car entertainment systems, including those requiring high power output and advanced diagnostics.
Q & A
- What is the TDA7561H used for?
The TDA7561H is used for car radio applications, providing a multifunction quad power amplifier with advanced diagnostics. - What type of technology does the TDA7561H use?
The TDA7561H uses BCD (Bipolar-CMOS-DMOS) technology. - What is the maximum output power of the TDA7561H?
The maximum output power is up to 4 x 60 W / 2 Ω. - What kind of diagnostics does the TDA7561H include?
The TDA7561H includes comprehensive diagnostics such as short circuit protection, clipping detector, DC offset detection, and communication via I2C bus. - What is the operating supply voltage range of the TDA7561H?
The operating supply voltage range is 8 - 18 V. - What is the thermal resistance of the TDA7561H?
The thermal resistance (junction-to-case) is 1 °C/W. - Does the TDA7561H have ESD protection?
Yes, the TDA7561H includes ESD protection. - How is the configuration and behavior of the TDA7561H controlled?
The configuration and behavior are controlled via the I2C bus. - What is the package type of the TDA7561H?
The package type is Flexiwatt25, available in both vertical and horizontal configurations. - What are the typical applications of the TDA7561H?
The typical applications include car radio and in-car entertainment systems.
