TDA7851L

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TDA7851L

+Nomenclature

IC AMP AB QUAD 75W 25FLEXIWATT

  • FabricantSemi - conducteurs optiques

  • Pièce fabricant #TDA7851L

  • Fiche technique TDA7851L DataSheet

  • En stock3245

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Spécifications

Attribut Valeur
Package Tube
ProductStatus Active
Type Class AB
OutputType 4-Channel (Quad)
MaxOutputPowerxChannels@Load 75W x 4 @ 2Ohm
Voltage-Supply 8V ~ 18V
Features Mute, Short-Circuit and Thermal Protection, Standby
MountingType Through Hole
OperatingTemperature -40°C ~ 105°C (TA)
SupplierDevicePackage 25-Flexiwatt (Vertical)

Présentation

Description

The TDA7851L is a high-performance, quad-bridge automotive power amplifier designed for car audio applications. Manufactured by STMicroelectronics, it operates with a Class AB amplifier topology, providing excellent sound quality and low distortion. The TDA7851L is rated for a maximum output power of 4 x 50 watts into 4-ohm speakers, making it suitable for driving multiple channels in a car audio system.
The chip features built-in diagnostic functions, including short-circuit and thermal protection, ensuring reliability and longevity in automotive environments. It also includes a high-SNR (Signal-to-Noise Ratio) to minimize background noise, enhancing the overall audio experience.
The TDA7851L supports both single-ended and differential inputs, providing flexibility in system design and minimizing interference. Its compact size and efficiency make it ideal for integration into space-constrained automotive electronic systems. Overall, the TDA7851L is a versatile choice for high-quality car audio systems, offering robust performance and protection features.

Equivalent

The TDA7851L is a class AB audio amplifier IC commonly used in car audio systems. Equivalent products to the TDA7851L include:
1. TDA7850- Another class AB amplifier from the same family.
2. TDA7560- Offers similar performance with four-channel output.
3. TDA7388 - A high-power class AB amplifier used in automotive applications.
4. TDA7498- A digital amplifier with comparable power output, though it's a class D type.
These alternatives may differ in certain specifications, so it's essential to verify compatibility.

Features

The TDA7851L is a high-performance quad bridge car radio amplifier designed for car audio applications. Key features include:
1. Output Power: It delivers up to 4 x 50W output power, providing robust audio performance.
2. Distortion: The amplifier offers low distortion levels, ensuring clear and crisp sound reproduction.
3. Noise Suppression: It includes high noise suppression capabilities to minimize interference from car electrical systems.
4. Protection: The TDA7851L has built-in protection features, including short-circuit, over-temperature, and over-voltage protection, enhancing reliability and durability.
5. Mute and Standby: It includes integrated mute and standby functions for ease of use and energy efficiency.
6. Flexibility: The device supports both single-ended and differential inputs, offering flexibility in various audio system designs.
7. Thermal Management: It is designed with efficient thermal management to handle the heat dissipation during high-power operations.
These features make the TDA7851L a suitable choice for enhancing car audio systems, offering a combination of power, sound quality, and reliability.

Pinout

The TDA7851L is a class AB audio amplifier IC commonly used in car audio applications. It comes in a Flexiwatt25 package, which has 25 pins. The main functions of the TDA7851L include:
1. Four-Channel Amplification: It can drive four speakers, making it ideal for car stereo systems.
2. High Output Power: It typically provides 4 x 50W output power.
3. Low Distortion and Noise: It ensures high sound quality by minimizing distortion and noise levels.
4. Mute and Standby Functions: These features help in reducing power consumption and avoiding noise when the system starts or stops.
5. Short-Circuit Protection: It offers protection against short circuits to the ground, supply voltage, and across the load.
6. Overheating Protection: It includes thermal shutdown capability to prevent damage due to overheating.
The pin configuration includes power supply pins, input and output terminals for audio signals, and pins for controlling features like standby and mute. Make sure to consult the specific datasheet for detailed pin configuration and application guidelines.

Manufacturer

The TDA7851L is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. It serves various sectors including automotive, industrial, personal electronics, and communications equipment. The company is known for providing integrated solutions and innovative products, including microcontrollers, MEMS sensors, power drivers, and integrated circuits. STMicroelectronics operates in multiple countries and is considered one of the leading players in the semiconductor industry.

Application

The TDA7851L is a high-performance quad bridge car audio amplifier. Its primary application areas include automotive audio systems, where it delivers enhanced sound quality for in-car entertainment. It is used in car stereos and multimedia systems to drive loudspeakers with minimal distortion. The amplifier is capable of operating in both single-ended and bridge modes, making it versatile for various speaker configurations. Its design allows for high output power, low heat dissipation, and built-in protection features such as short circuit and thermal overload protection, ensuring reliability and efficiency in automotive environments.

Package

The TDA7851L is a class AB audio amplifier and comes in a Flexiwatt25 package.