TDA7467D$

Series:	SRS
Packaging:	Tube
Part Status:	Obsolete
Function:	Audio Signal Processor
Applications:	Signal Mixing
Number of Channels:	2
Interface:	I²C
Voltage - Supply:	7 V ~ 10.2 V
Operating Temperature:	-10°C ~ 85°C (TA)
Specifications:	Audio Matrix
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	28-SO
Base Part Number:	TDA7467

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Audio Special Purpose – TDA7467D$ Application Field and Working Principle

The TDA7467D$ is an integrated audio amplifier developed by STMicroelectronics. It is mainly used in the fields of automotive, professional and home audio with very low noise interference. This integrated amplifier has a high input sensitivity and a low output current capability that allow it to be used in a variety of applications.The TDA7467D$ is composed of several main components. The main component is the MOSFET power amplifier. This power amplifier is capable of delivering up to 4 watts of power and operates at low voltage. The second component is the voltage regulator. This component regulates the output current of the power amplifier and prevents it from getting too high. The third component is the filter. This component filters noise from the signal and makes the sound clearer and more accurate. Finally, the fourth component is the audio controller. This component is responsible for adjusting the volume and frequency of the signal.The TDA7467D$ is designed to provide a low cost, low power, high quality system for amplifier audio applications. It features a low quiescent current as well as a low total Harmonic Distortion (THD) at low frequencies. It also has a low crosstalk, which makes it ideal for use in audio systems with multiple inputs. The audio controller also allows users to adjust the treble, bass, midrange, and balance settings of the amplifier.The TDA7467D$ is able to operate in single or multiple channel modes. In single mode, it is used to power one speaker or one set of headphones. In multiple mode, it is used to power multiple speakers or multiple sets of headphones. In this way, it makes it easy to control a wide variety of audio systems.In addition, the TDA7467D$ features a built-in thermal protector and an independent mute circuit. This thermal protector prevents the amplifier from overheating and the mute circuit prevents audio distortion. This integrated amplifer is designed to last for a long time, even under extreme environmental conditions such as high temperatures, humidity, or shock.The working principle of the TDA7467D$ is simple. The amplifier takes input from an external power supply, adjusts the audio signals, and sends the output to one or multiple speakers. The audio controller is responsible for adjusting the volume, frequencies, and sound balance. The built-in thermal protector and mute circuit are also responsible for preventing audio distortion and protecting the components from damage due to high temperatures.In conclusion, the TDA7467D$ is an integrated audio amplifier developed by STMicroelectronics. It is used in a variety of applications such as automotive, professional, and home audio. It has a high input sensitivity and low output current capability along with a low quiescent current and low THD. It is capable of powering one or more speakers and comes with a built-in thermal protector and mute circuit. Its working principle is simple, as it takes input from an external power supply, adjusts the audio signals, and sends the output to one or multiple speakers.

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