TDA7350A

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TDA7350A

+Nomenclature

IC AMP AB MONO/STER 11MULTIWATT

  • FabricantSemi - conducteurs optiques

  • Pièce fabricant #TDA7350A

  • Package Multiwatt-11

  • En stock1910

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Spécifications

Attribut Valeur
Package Tube
ProductStatus Obsolete
Type Class AB
OutputType 1-Channel (Mono) or 2-Channel (Stereo)
MaxOutputPowerxChannels@Load 22W x 1 @ 3.2Ohm; 11W x 2 @ 2Ohm
Voltage-Supply 8V ~ 18V
Features Depop, Short-Circuit and Thermal Protection, Standby
MountingType Through Hole
OperatingTemperature -40°C ~ 150°C (TJ)
SupplierDevicePackage 11-Multiwatt

Présentation

Description

The TDA7350A is a class AB audio amplifier designed for car radio applications. It is known for its high performance and reliability in driving speakers with low distortion levels. This integrated circuit offers a bridge and stereo amplifier configuration, providing flexibility in various audio system designs. Key features include:
1. Output Power: It can deliver up to 22W per channel in bridge mode, making it suitable for driving medium-power speakers.

2. Supply Voltage: The amplifier operates over a wide supply voltage range, typically from 6V to 18V, accommodating different vehicle power systems.
3. Low Distortion and Noise: It is designed to minimize total harmonic distortion and noise, ensuring high audio fidelity.
4. Short Circuit Protection: The TDA7350A includes protection features like short circuit and thermal shutdown, enhancing its durability.
5. Mute/Standby Functions: These functions help in reducing power consumption and eliminating any clicks or pops during power transitions.
The TDA7350A is commonly used in automotive audio systems due to its robust performance and protective features.

Equivalent

The TDA7350A is an integrated audio amplifier chip used in car radio applications. Equivalent or similar products include the TDA7375, TDA7377, and TDA7384, which serve similar purposes as multi-channel audio amplifiers with comparable power outputs and features. Always ensure compatibility in terms of pin configuration and electrical characteristics when considering substitutes.

Features

The TDA7350A is an integrated audio amplifier designed for automotive applications. It features a dual-channel configuration, providing two channels of amplification with an output power capability of up to 22W per channel into a 4-ohm load. The device includes built-in protection mechanisms such as thermal shutdown, short-circuit protection, and load dump protection to ensure reliability and durability in harsh environments. It operates with a wide supply voltage range, typically from 8V to 18V, making it suitable for automotive battery systems.
The TDA7350A also offers features like low distortion and low noise for high-quality audio performance. It includes a standby function, which minimizes power consumption when the amplifier is not in use. The device is designed for easy integration with minimal external components required, simplifying the design and reducing costs. Its compact and efficient design makes it an ideal choice for car audio systems where space and power efficiency are critical.

Pinout

The TDA7350A is a dual audio power amplifier integrated circuit commonly used in car radio applications. It is typically housed in a multiwatt package and features a total of 15 pins.
The functions of the pins are as follows:
1. Pin 1 & 15 (Inverting Inputs): Input for the audio signal, with Pin 1 for channel 1 and Pin 15 for channel 2.
2. Pin 2 & 14 (Non-Inverting Inputs): Reference point for the input signals.
3. Pin 3 & 13 (Bootstrap): Connected to bootstrap capacitors that help optimize the output stage.
4. Pin 4 & 12 (Supply Voltage): Power supply connections.
5. Pin 5 & 11 (Outputs): Deliver the amplified audio signal to the speakers.
6. Pin 6 (Standby): Controls the standby mode to reduce power consumption.
7. Pin 7 (Mute): Used to mute the output to prevent noise during power on/off.
8. Pin 8 (GND): Ground connection for the IC.
9. Pin 9 & 10 (Thermal Protection): Internal thermal protection pins for safety.
This IC is designed to deliver high-quality audio output with low distortion and includes features like standby and mute to enhance power efficiency and functionality.

Manufacturer

The TDA7350A is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer. Established in 1987 through the merger of Italy's SGS Microelettronica and France's Thomson Semiconducteurs, it is one of the world's largest semiconductor companies. The company designs, develops, and manufactures a wide range of products, including integrated circuits and discrete semiconductors, used in various applications such as automotive, industrial, personal electronics, and communications. STMicroelectronics is known for its innovation in technologies related to smart driving and the Internet of Things (IoT), and it operates globally with manufacturing facilities and offices worldwide.

Application

The TDA7350A is an integrated audio amplifier designed for automotive applications. Its primary application areas include car audio systems where it functions to amplify audio signals for playback through vehicle speakers. It is particularly suited for use in head units and car radios due to its bridge configuration, which allows for higher power output with low distortion. Additionally, the TDA7350A features built-in protections against short circuits and overheating, enhancing its reliability in the automotive environment. Other potential applications include home audio systems and public address systems where robust audio amplification is required.

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