Description

The TDA7561 is a quad bridge car radio amplifier that utilizes BCD technology and is designed specifically for car radio applications. Its Flexiwatt25 package allows for its compact and flexible use. With DMOS output stage, it ensures low distortion, offering a clear and powerful sound. Additionally, the device features a full diagnostics array that communicates the status of each speaker through the I2C bus. This audio amplifier is very flexible in terms of configuration and behavior, as it can be controlled using the I2C bus.

Specifications and features

• Multipower BCD technology
• DMOS power output
• High output power capability of 4 x 25 W/4 Ω @14.4 V, 1 kHz, 10% THD, 4 x 35 W EIAJ
• Max. output power of 4x60 W/2 Ω
• Full I2C bus driving:
• Standby
• Independent front/rear soft play/mute
• Selectable gain 26 dB - 12 dB (for low noise line output function)
• I2C bus digital diagnostics
• Full fault protection
• DC offset detection
• Four independent short circuit protection
• Clipping detector
• ESD protection

Application Scenarios

The TDA7561 is widely used in the automotive industry, specifically in car radio applications. It is designed to improve the sound quality of car audio systems, ensuring clear and powerful output.

Comparison

• BCD technology ensures flexibility and compatibility with varied automotive applications.
• The DMOS output stage allows for low distortion, resulting in a clear and powerful sound.
• The I2C bus driving allows for versatility in configuring and controlling the device.
• The full diagnostics array enhances diagnostic capabilities.

• The TDA7561 is specifically designed for car radio applications, which limits its versatility for other applications.
• The device's high output power capability may be unnecessary for some low-power applications.