TDA7802 Allicdata Electronics
Allicdata Part #:

497-13822-5-ND

Manufacturer Part#:

TDA7802

Price: $ 5.31
Product Category:

Integrated Circuits (ICs)

Manufacturer: STMicroelectronics
Short Description: IC AMP QUAD BRIDGE FLEXIWATT27
More Detail: Amplifier IC 4-Channel (Quad) Class SB 27-Flexiwat...
DataSheet: TDA7802 datasheetTDA7802 Datasheet/PDF
Quantity: 1000
1 +: $ 5.31000
10 +: $ 5.15070
100 +: $ 5.04450
1000 +: $ 4.93830
10000 +: $ 4.77900
Stock 1000Can Ship Immediately
$ 5.31
Specifications
Series: Automotive, AEC-Q100
Packaging: Tube 
Part Status: Active
Type: Class SB
Output Type: 4-Channel (Quad)
Max Output Power x Channels @ Load: 72W x 4 @ 2 Ohm
Voltage - Supply: 6 V ~ 18 V
Features: Digital Inputs, I²C, I²S, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type: Through Hole
Supplier Device Package: 27-Flexiwatt (Vertical)
Package / Case: 27-Flexiwatt (Formed Leads)
Base Part Number: TDA7802
Description

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TDA7802 is a two-channel audio amplifier that can be used in applications such as portable stereo speakers and automotive audio systems. The device features two low-noise dual outputs and class AB operation, allowing for a wide variety of sound configurations. It also has a low-noise 10 dB gain stage to enhance low-level input signals. This article will discuss the various application fields of a TDA7802 as well as its basic working principle.

Application Fields

The TDA7802 is used for many different applications such as portable speakers, home stereo systems, car audio systems, and professional sound systems. It is a relatively low cost device and offers a wide range of features. One of the primary advantages of the TDA7802 is its low standby power consumption, which allows designers to use it in applications where power conservation is important. It also has built-in protection features such as thermal shutdown and short circuit protection, which are essential for long-term device reliability. The device is also capable of driving speakers at 2 ohms, making it ideal for use in high-power applications.

Working Principle

The TDA7802 is a two-channel audio amplifier that uses a Class AB architecture. In this configuration, the device has two separate amplifier circuits for each channel, one for the positive half cycle and one for the negative half cycle of the input signal. This allows for extended frequency response and low distortion. In addition, the amplifier has a low noise 10 dB gain stage to bring weaker input signals up to an acceptable level. The TDA7802 also features an output rise-time compensation circuit that helps to reduce the amount of clipping present on the output signal.

The TDA7802 also features a unique attack/decay circuit that helps to reduce the amount of noise in the system. The attack/decay circuit will reduce the level of high-frequency noise on the amplifier outputs, resulting in a cleaner sound. In addition, the device has a built-in overload protection circuit that will reduce the amount of distortion on the outputs when the powered speakers are driven too hard.

Conclusion

The TDA7802 is a versatile two-channel audio amplifier that is suitable for many applications. Its low power consumption, low noise gain stage, and attack/decay circuitry make it ideal for use in low-power applications such as portable speakers and car audio systems. The amplifier is also capable of driving speakers at 2 ohms, making it perfect for use in high-power applications. With its wide range of features, the TDA7802 is an excellent choice for any audio system.

The specific data is subject to PDF, and the above content is for reference

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