TDA7388

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TDA7388

+BOM

IC AMP AB QUAD 41W 25FLEXIWATT

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Specifications

Attribute Value
Package Tube
ProductStatus Active
Type Class AB
OutputType 4-Channel (Quad)
MaxOutputPowerxChannels@Load 41W x 4 @ 4Ohm
Voltage-Supply 8V ~ 18V
Features Mute, Short-Circuit and Thermal Protection, Standby
MountingType Through Hole
SupplierDevicePackage 25-Flexiwatt (Vertical)

Overview

Description

The TDA7388 is a quad bridge car radio amplifier designed for automotive audio applications. It is manufactured by STMicroelectronics and is well-regarded for its high power output and efficiency. The chip features four channels, each capable of delivering up to 41 watts of power into 4-ohm loads, making it suitable for driving full-range speakers in car audio systems.
The TDA7388 operates on a wide supply voltage range and includes built-in protection features such as short circuit protection, thermal shutdown, and a robust mute and standby function to prevent unwanted noise during power-up or power-down sequences. This makes it a reliable choice for automotive environments where voltage fluctuations and temperature variations are common.
The amplifier’s design emphasizes low distortion and noise, ensuring high-quality sound reproduction. It is commonly used in OEM and aftermarket car audio systems due to its balance of performance, reliability, and cost-effectiveness. The TDA7388 is typically housed in a multi-pin plastic package and requires minimal external components, facilitating easy integration into audio applications.

Equivalent

Equivalent products to the TDA7388 chip, which is a quad bridge car audio amplifier, include:
1. TDA7560
2. TDA7563A
3. TDA7850
4. TDA7386
These alternatives offer similar functionality and are used in car audio systems, providing similar output power and features. Always check the datasheets for specific equivalency in terms of pin configuration and performance characteristics.

Features

The TDA7388 is a quad bridge car radio amplifier designed for automotive audio systems. Key features include:
1. Output Power: It provides a maximum output power of up to 4 x 41W at 4 ohms with low distortion, delivering clear and powerful audio performance.
2. Class AB Amplifier: The TDA7388 operates as a class AB amplifier, which ensures a balance between efficiency and audio fidelity.
3. Single-Supply Operation: The device operates on a single supply voltage, typically ranging from 8V to 18V, making it suitable for car battery-powered systems.
4. Low Distortion: It offers low Total Harmonic Distortion (THD), enhancing the listening experience with high-quality sound reproduction.
5. Protection Features: The amplifier includes built-in protection mechanisms such as short-circuit protection, thermal shutdown, and load dump protection to ensure reliability and longevity.
6. Mute/Standby Functions: It has mute and standby functions for reduced power consumption and noise suppression during inactive periods.
7. Flexibility: The device supports a variety of speaker configurations, enabling flexibility in audio system design.
These features make the TDA7388 a popular choice for car audio applications.

Pinout

The TDA7388 is a quad bridge car radio amplifier commonly used in automotive audio systems. It comes in a 25-pin PowerSO package. Here's a concise overview of its pin functions:
1. Power Supply Pins:
- Vcc (pins 17, 18, 19): Power supply input.
- GND (pins 7, 8, 9): Ground connections.
2. Input Pins:
- IN1, IN2, IN3, IN4 (pins 3, 4, 23, 24): Audio signal inputs for channels 1 through 4.
3. Output Pins:
- OUT1+, OUT1-, OUT2+, OUT2-, OUT3+, OUT3-, OUT4+, OUT4- (pins 11, 12, 13, 14, 21, 22, 25, 1): Outputs for the four bridge channels.
4. Control Pins:
- STBY (pin 16): Standby control.
- MUTE (pin 15): Mute control.
5. Diagnostic Pins:
- DIAG (pin 20): Diagnostic output for fault conditions.
The TDA7388 provides four channels of audio amplification with built-in features like standby and mute controls, and diagnostic functions, making it suitable for automotive audio systems.

Manufacturer

The TDA7388 is manufactured by STMicroelectronics, a multinational electronics and semiconductor company. STMicroelectronics is one of the largest semiconductor companies in the world, known for designing and manufacturing a wide range of semiconductor products, including integrated circuits for various applications such as automotive, industrial, personal electronics, and communication equipment. The company is headquartered in Geneva, Switzerland, and operates globally, with a strong emphasis on innovation and technology development.

Application

The TDA7388 is a quad bridge car audio amplifier commonly used in automotive audio systems. Its primary application areas include car radios, infotainment systems, and speaker systems in vehicles, where it amplifies audio signals for better sound quality. The chip is designed to drive four speakers, providing high output power and low distortion, making it ideal for enhancing in-car audio experiences. Its robust design allows for high performance in the challenging automotive environment, including temperature and voltage variations. Additionally, the TDA7388's built-in features like thermal shutdown and short-circuit protection make it reliable and durable for automotive applications.

Package

The TDA7388 is a class AB audio amplifier IC commonly used in car audio systems. It typically comes in a Multiwatt-25 package, which is a type of through-hole package with 25 pins, designed for good heat dissipation and ease of mounting on a heat sink.

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