
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: | ![]() |
Quantity: | 1000 |
1 +: | $ 5.31000 |
10 +: | $ 5.15070 |
100 +: | $ 5.04450 |
1000 +: | $ 4.93830 |
10000 +: | $ 4.77900 |
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 |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
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.
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