TDA7265 Audio Amplifier:How To Connect And Test?

yunying Release time：2024-04-02 Page View：3084

TDA7265 Audio Amplifiers 25W Stereo Amplifier IC AMP AB STEREO 11MULTIWATT Multiwatt-11 (Vertical, Bent and Staggered Leads)

Catalog

What is TDA7265?
TDA7265 Datasheet
TDA7265 Pinout
TDA7265 CAD-Model
TDA7265 Package
TDA7265 Equivalent
TDA7265 IC Price
TDA7265 Features
TDA7265 Applications
TDA7265 Applications Circuit
How to Connect and Test TDA7265 Audio Amplifier?
What is the maximum output power of the TDA7265 audio amplifier?
TDA7265 VS TDA7269 VS TDA2050 VS TDA7294 Differences
Related Articles
Conclusion
Specifications
Datasheets
Product comparison

What is TDA7265?

The TDA7265 is a popular monolithic integrated circuit in a Pentawatt package that is used in low-frequency class AB audio amplifiers. It is known for its high output power, low distortion, and ease of use. In this article, we will provide a step-by-step guide on how to connect and test a TDA7265 audio amplifier, and knowing more about TDA7265 Circuit Diagram,TDA7265 Equivalent,TDA7265 IC Price and production comparison TDA7265 VS TDA7269 VS TDA2050 VS TDA7294.

TDA7265 Datasheet

Swipe to the end of the article to get TDA7265 Datasheet,TDA7265 Speification and product comparison.

TDA7265 Pinout

TDA7265 CAD-Model

Symbol

Footprint

3D-Model

TDA7265 Package

TDA7265 Package Dimension

TDA7265 Equivalent

There are a number of ICs that are equivalent to the TDA7265, including:

* STMicroelectronics TDA7265

* NXP Semiconductors TDA7265

* ON Semiconductor LM1875

* Texas Instruments LM3886

TDA7265 IC Price

The price of a TDA7265 IC can vary depending on the supplier and the quantity purchased. However, it typically costs between $2 and $5 per IC.

TDA7265 Features

* Output power: 25 W per channel into 4 ohms

* Frequency response: 20 Hz to 20 kHz

* Total harmonic distortion (THD):<0.1% at 1 kHz

* Signal-to-noise ratio (SNR): >90 dB

* Input impedance: 100 kΩ

* Output impedance: 4 ohms

* Power supply voltage: 12 V to 36 V

* Over-temperature protection

* Short-circuit protection

TDA7265 Applications

Guitar amplifiers

Music players

Woofer amplifiers

Hobby projects

Audio power amplifiers

Stereo TV sets

Hi-Fi music centers

* Audio amplifiers for home stereo systems

* Car audio systems

* Portable audio devices

* Sound reinforcement systems

TDA7265 Applications Circuit

TDA7265 Typical Application Circuit in Single Supply

TDA7265 Bridge application circuit

How to Connect and Test TDA7265 Audio Amplifier?

1. Components Required:

* TDA7265 audio amplifier IC

* Heatsink

* Capacitors (100 µF, 1000 µF)

* Resistors (100 Ω, 10 kΩ)

* Speaker

* Audio source (e.g., MP3 player, smartphone)

* Power supply (12 V to 36 V)

2. Circuit Diagram:

3. Step-by-Step Instructions:

3.1 Mount the TDA7265 IC on a Heatsink:

The TDA7265 IC generates a significant amount of heat during operation, so it is important to mount it on a heatsink to prevent overheating. The heatsink should have a thermal resistance of less than 5°C/W.

3.2 Connect the Power Supply:

Connect the positive terminal of the power supply to pin 5 (VCC) of the TDA7265 IC. Connect the negative terminal of the power supply to pin 1 (GND).

3.3 Connect the Input Signal:

Connect the audio input signal from the audio source to pin 4 (IN) of the TDA7265 IC. Use a 100 Ω resistor in series with the input signal to protect the IC from damage.

3.4 Connect the Output to the Speaker:

Connect the speaker to pins 2 and 3 (OUT) of the TDA7265 IC. Use a 1000 µF capacitor in parallel with the speaker to filter out any DC offset.

3.5 Connect the Feedback Resistor:

Connect a 10 kΩ resistor between pin 6 (FB) and pin 7 (GND) of the TDA7265 IC. This resistor provides negative feedback to the amplifier, which helps to reduce distortion.

3.6 Connect the Bypass Capacitors:

Connect a 100 µF capacitor between pins 5 (VCC) and 7 (GND) of the TDA7265 IC. This capacitor helps to bypass any AC ripple on the power supply.

3.7. Test the Amplifier:

Once all the connections are made, turn on the power supply and connect the audio source to the amplifier. You should hear sound coming from the speaker. Adjust the volume control on the audio source to set the desired listening level.

4. Troubleshooting:

No sound from the speaker: Check the power supply connections, input signal connections, and speaker connections. Make sure the TDA7265 IC is properly mounted on the heatsink.

Distorted sound: Check the feedback resistor value. A higher value resistor will reduce distortion, but it will also reduce the output power.

Overheating: Check the heatsink temperature. If the heatsink is too hot, try using a larger heatsink or increasing the airflow around the amplifier.

What is the maximum output power of the TDA7265 audio amplifier?

The maximum output power of the TDA7265 audio amplifier is 25 watts per channel into a 4 ohm load. This means that it can deliver a total of 50 watts of power to a pair of 4 ohm speakers.

However, it is important to note that the maximum output power is only achievable under ideal conditions. In practice, the actual output power will be slightly lower due to factors such as power supply voltage, heatsink size, and speaker impedance.

For example, if the TDA7265 is operated with a 12 V power supply and a 4 ohm speaker, the actual output power will be around 20 watts per channel. If a larger heatsink is used, the output power can be increased to around 25 watts per channel.

Overall, the TDA7265 is a powerful and efficient audio amplifier IC that is capable of delivering high-quality audio playback.

TDA7265 VS TDA7269 VS TDA2050 VS TDA7294 Differences

The TDA7265, TDA7269, TDA2050, and TDA7294 are all audio amplifier ICs. However, they have different features and specifications.

Applications:

* TDA7265: Audio amplifiers for home stereo systems, car audio systems, and portable audio devices

* TDA7269: Audio amplifiers for home stereo systems and car audio systems

* TDA2050: Audio amplifiers for small portable devices

* TDA7294: Audio amplifiers for high-power applications

Overall:

The TDA7265 is a good choice for general-purpose audio amplifier applications. It offers a good balance of power, features, and price. The TDA7269 is a more powerful option, but it is also more expensive. The TDA2050 is a good choice for small portable devices, while the TDA7294 is a good choice for high-power applications

TDA7294 VsTDA7293 Vs TDA7266 Audio Amplifier: Pinout,Datasheet

Conclusion

The TDA7265 is a versatile and easy-to-use audio amplifier IC. By following the steps outlined in this article, you can successfully connect and test a TDA7265 audio amplifier and enjoy high-quality audio playback.

Specifications

Manufacturer :: STMicroelectronics

Product Category :: Audio Amplifiers

Корпус :: Multiwatt-11 (Vertical, Bent and Staggered Leads)

Максимальное переменное напряжение :: 25W x 2 @ 8Ohm

Напряжение питания :: ±5V ~ 25V

Особенности :: Depop, Mute, Short-Circuit and Thermal Protection, Standby

Поставщик устройства и его упаковка :: 11-Multiwatt

Рабочая температура :: -20°C ~ 85°C (TA)

Статус продукта :: Active

Тип :: Class AB

Тип выхода :: 2-Channel (Stereo)

Тип монтажа :: Through Hole

Datasheets

Datasheets: TDA7265

Product comparison

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Frequently Asked Questions

How many watts is TDA7265?

The TDA7265 is a 25 watt per channel audio amplifier IC. This means that it can deliver a total of 50 watts of power to a pair of 4 ohm speakers.

What is the output of TDA7265 IC?

The TDA7265 IC has a maximum output power of 25 watts per channel into a 4 ohm load. It can also deliver 20 watts per channel into an 8 ohm load.

What is the voltage of TDA7265?

The TDA7265 IC can operate with a power supply voltage ranging from 12 V to 36 V. However, the maximum output power is only achievable with a power supply voltage of 36 V.

How many watts does a 2050 IC bridge output?

The 2050 IC is a 10 watt per channel audio amplifier IC. When used in a bridge configuration, it can deliver a total of 20 watts of power to a single 8 ohm speaker.

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