Description

TDA7451 is an electronic component belonging to the Audio Amplifiers product category. It is known for its high output power capability, making it suitable for various audio applications. With a maximum power output of 4 x 9.5W or 2 x 32W/4Ω, TDA7451 delivers impressive sound performance.

Specifications and features

• 4 x 9.5W or 2 x 32W/4Ω max power output
• 4 x 8.5W or 2 x 28W/4Ω EIAJ power output
• 4 x 7W or 2 x 22W/4Ω @14.4V, 1KHz; 10% power output
• No need for decoupling capacitors
• No need for bootstrap capacitor
• No need for external compensation
• Internally fixed gain (20dB)
• Pop-free audio section
• ST-BY function (C-MOS)
• Mute function (C-MOS)
• Clip detector, thermal warning, short circuit detection
• Built-in voltage regulators: 5V @ 150mA with reset, 5V @ 500mA with ST-BY, 8.5V @ 200mA with ST-BY
• Regulators diagnostic feature: undervoltage, 8.5V drop sense, short circuit, load dump, over-temperature

Application Scenarios

TDA7451 can be used in various audio applications, such as:

• Home theater systems
• Car audio systems
• Portable speakers

Comparison

Advantages:

• High output power capability
• No need for external components like decoupling capacitors or bootstrapping capacitor
• Pop-free audio section for clear sound output
• ST-BY and mute functions for power-saving and convenience
• Built-in voltage regulators for stable power supply
• Regulators diagnostic feature for added protection

Disadvantages:

• No significant disadvantages found