TDA7576B

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TDA7576B

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IC AMP AB STER 45W MULTIWATT-15

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規格

屬性 價值
Package / Case Tube
Part Status Active
Type Class AB
Output Type 2-Channel (Stereo)
Max Output Powerx Channels @ Load 45W x 2 @ 4Ohm
Voltage - Supply 8V ~ 32V
Features Mute, Short-Circuit and Thermal Protection
Mounting Type Through Hole
Operating Temperature -40°C ~ 150°C (TJ)
Supplier Device Package Multiwatt-15

概述

Description

The TDA7576B is an integrated dual bridge amplifier designed primarily for car audio applications. Manufactured by STMicroelectronics, it offers high performance with low distortion and noise levels, delivering up to 55 watts per channel into a 4-ohm load. The device is known for its high-efficiency operation and built-in protection features like short-circuit protection, thermal shut-down, and overload protection, enhancing its reliability and safety in demanding environments.
Key features include a differential input stage, which improves noise immunity and minimizes the effects of external disturbances. The TDA7576B also incorporates a standby function to reduce power consumption when the device is not in use. The amplifier is housed in a Multiwatt15 package, making it compact and suitable for space-constrained applications. The TDA7576B is widely used in automotive audio systems due to its robustness, efficiency, and ability to deliver high-quality sound output even under variable power supply conditions, such as those found in vehicles.

Equivalent

The TDA7576B is a dual bridge amplifier designed for car audio applications. Equivalent or similar products include the TDA7560, TDA7563A, and TDA7569 from STMicroelectronics, as well as TA8210AHQ from Toshiba and LM4766 from Texas Instruments. These alternatives offer similar functions in audio amplification, although specifications such as power output, distortion levels, and thermal characteristics may vary. Always consult datasheets to ensure compatibility with your specific application requirements.

Features

The TDA7576B is a dual bridge amplifier designed for car audio applications. Key features include:
1. Output Power: It provides a high output power, typically around 2 x 35W into 4Ω at 14.4V, delivering robust audio performance.
2. Class AB Amplifier: This technology offers a good balance between sound quality and power efficiency, providing clear and dynamic audio output.
3. Built-in Diagnostics: It includes features for real-time diagnostics like speaker protection and thermal shutdown, ensuring reliable and safe operation.
4. Low Total Harmonic Distortion: The amplifier maintains low distortion levels, ensuring high-quality audio reproduction without significant noise or interference.
5. Mute and Standby Functions: These functions help in reducing power consumption and eliminating unwanted noise during power-up and power-down sequences.
6. Thermal Protection: Over-temperature protection is built-in to prevent damage due to overheating.
7. Short-Circuit Protection: The device includes protection against short circuits, safeguarding it from potential damage.
8. Flexibility: It can drive both single-ended and bridge-tied load configurations, making it versatile for various car audio setups.
These features make the TDA7576B a reliable choice for automotive audio systems seeking quality and durability.

Pinout

The TDA7576B is an integrated bridge car radio amplifier from STMicroelectronics. It typically comes in a Multiwatt15 (15-pin) package. The functions of the TDA7576B include providing high-quality sound amplification for car audio systems. Key features include low distortion, high output power, and built-in diagnostics for speaker protection and fault detection. Its 15 pins are used for the following functions:
1. Input signals (IN1, IN2)
2. Output channels (OUT1+, OUT1-, OUT2+, OUT2-)
3. Power supply connections (VS)
4. Ground connections (GND)
5. Standby and mute control pins (ST-BY, MUTE)
6. Diagnostic output (DIAG)
7. Bootstrap capacitors (BOOT1, BOOT2)
These pins collectively manage the power supply, signal input and output, and control functions necessary for the operation and protection of the amplifier in automotive audio systems.

Manufacturer

The TDA7576B is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics designs, develops, manufactures, and markets a range of semiconductor products used in various microelectronic applications, including automotive, industrial, personal electronics, and communications equipment. The company is known for its innovations in semiconductor technology and focuses on areas such as power management, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems), and sensors.

Application

The TDA7576B is an automotive-grade audio amplifier used primarily in car audio systems. It is designed for high-performance applications requiring low distortion and high power output. Key application areas include:
1. In-Car Entertainment Systems: Enhancing audio quality in factory-installed or aftermarket car stereo systems.
2. Navigation Systems: Providing clear audio output for navigation prompts and alerts.
3. Hands-Free Communication Systems: Ensuring high-quality sound transmission in vehicle communication systems.
4. Public Address Systems: Serving as an amplifier in car-based public address setups.

Its robustness and high efficiency make it well-suited for these automotive audio applications.

Package

The TDA7576B is an audio amplifier integrated circuit from STMicroelectronics, typically housed in a Multiwatt package. Specifically, it is usually found in a Multiwatt-15 package, which is a through-hole type known for its reliable thermal performance, suitable for automotive audio applications.