TDA7851F

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TDA7851F

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IC AMP AB QUAD 75W 25FLEXIWATT

  • メーカーRFE/フューゼテック

  • メーカー品番 #TDA7851F

  • データシート TDA7851F DataSheet

  • 在庫状況3944

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仕様

属性 値
Part Status Active
Base Product Number TDA7851
Type Class AB
Output Type 4-Channel (Quad)
Max Output Power x Channels @ Load 75W x 4 @ 2Ohm
Voltage - Supply 8V ~ 18V
Features Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type Through Hole
Supplier Device Package 25-Flexiwatt (Vertical)
Package / Case 25-Flexiwatt, Formed Leads
Packaging Tube

概要

Description

The TDA7851F is a quad bridge car audio amplifier designed for high-quality sound reproduction. Manufactured by STMicroelectronics, it is part of the company's line of audio power amplifiers. The device is housed in a Flexiwatt25 package and is primarily used in automotive audio applications. It provides four channels with an output power of 50W each, suitable for driving speakers in a car audio system.
Key features of the TDA7851F include high output power, low distortion, and a built-in short circuit protection, making it robust and reliable. It supports the flexibility of using it as either a 4-channel amplifier or bridging it for two powerful channels. Additionally, it has a low standby current, which is beneficial for conserving battery power in automotive applications. The TDA7851F also includes advanced diagnostics, which help detect faults and improve safety. Its design ensures high efficiency and excellent thermal performance, making it a popular choice for car audio systems seeking enhanced sound quality and durability.

Equivalent

The TDA7851F is a car audio amplifier IC. Equivalent or similar products include:
1. TDA7850 - A similar 4-channel amplifier from STMicroelectronics.
2. TDA7388 - A 4 x 35W quad bridge car radio amplifier.
3. TDA7560 - Another 4-channel amplifier with similar power ratings.
4. TDA7377 - Offers a 2 x 30W dual/quad bridge amplifier configuration.
5. TDA7561 - A slightly different option with similar specs.
Always cross-check pin configuration and features to ensure compatibility.

Features

The TDA7851F is a high-performance quad bridge car radio amplifier from STMicroelectronics. It is designed for use in car audio systems and offers several key features:
1. High Power Output: It provides up to 4 x 50W output power, allowing for robust audio performance.
2. Class AB Amplifier: This device utilizes Class AB technology, delivering both good sound quality and efficiency.
3. Low Distortion: It ensures minimal distortion in audio output, maintaining high sound fidelity.
4. Low Noise: The amplifier is designed to minimize noise, enhancing audio clarity.
5. MOSFET Output Stage: This feature contributes to higher efficiency and better thermal performance.
6. Full Protection: It includes protection against short circuits, over-temperature, and open ground, ensuring reliability and safety.
7. Flexiwatt25 Package: The TDA7851F comes in a 25-pin Flexiwatt package, providing ease of mounting and integration.
8. Mute and Standby Functions: These functions help reduce power consumption and manage audio output effectively.
9. High Supply Voltage Capability: It operates efficiently across a wide range of supply voltages, supporting various automotive environments.
These features make the TDA7851F suitable for enhancing in-car audio systems with reliable and high-quality sound output.

Pinout

The TDA7851F is a quad bridge car radio amplifier IC, typically found in automotive audio systems. It has a total pin count of 25 in a Flexiwatt package. Here's a brief overview of its pin functions:
1. Power Supply Pins: These include the VCC (power supply voltage) and GND (ground) pins, used to power the IC and connect to the ground of the system.
2. Input Pins: It has differential inputs for each of the four channels, designed to receive audio signals.
3. Output Pins: The IC provides audio output through bridge connections for four channels, typically connected to speakers.
4. Bootstrap Pins: These are used to enhance the performance of the output stage.
5. Standby and Mute Pins: Used to control the standby and mute functionality of the amplifier, facilitating power management and noise reduction.
6. Diagnostic/Status Pins: These pins provide feedback for diagnostics or status indications, such as detecting short circuits or thermal shutdown conditions.
The TDA7851F leverages these pins to amplify audio signals efficiently, with features such as low distortion and high power output, enhancing in-car audio experiences.

Manufacturer

The TDA7851F is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer. It is one of the world's leading semiconductor companies, providing a wide range of products and solutions for various industries, including automotive, industrial, personal electronics, and communications. The company is headquartered in Geneva, Switzerland, and operates globally, with production and research facilities in multiple countries. STMicroelectronics is known for its expertise in developing innovative technologies and products that enable smarter, more energy-efficient, and more connected applications.

Application

The TDA7851F is a high-power, quad-bridge car audio amplifier commonly used in automotive audio systems. Its application areas include:
1. Car Audio Systems: Enhancing sound quality and power output for in-vehicle entertainment.
2. Aftermarket Car Stereo Systems: Upgrading and replacing factory-installed audio units.
3. Marine Audio Systems: Providing robust audio performance suitable for boats and watercraft.
4. Motorcycle Audio Systems: Delivering powerful audio in compact environments.
5. Custom Audio Installations: Used in custom car audio setups requiring high power and low distortion.
Its features like a high output power, low distortion, and built-in protection mechanisms make it an ideal choice for these applications.

Package

The TDA7851F is an integrated circuit used in audio amplification applications, typically found in car audio systems. It comes in a Flexiwatt-25 package, which is a type of through-hole mounting package designed to handle high power outputs efficiently.