Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tube |
| Part Status | Obsolete |
| Type | Class D |
| Output Type | 1-Channel (Mono) or 2-Channel (Stereo) |
| Max Output Powerx Channels @ Load | 220W x 1 @ 3Ohm; 160W x 2 @ 4Ohm |
| Voltage - Supply | 14V ~ 36V |
| Features | Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Supplier Device Package | PowerSSO-36 EPU |
Tổng quan
Description
The TDA7498E is a high-performance, dual BTL (bridge-tied load) class-D audio amplifier designed by STMicroelectronics. It is capable of delivering high power output, up to 160 watts per channel, making it suitable for high-power audio applications like home theater systems, active speakers, and audio equipment. The class-D topology ensures high efficiency, reduced heat generation, and compact design.
Key features include a wide supply voltage range, typically from 14V to 36V, which offers flexibility in various applications. The amplifier also incorporates advanced protection mechanisms, such as over-temperature, over-current, and short-circuit protection, ensuring reliable operation. Additionally, the TDA7498E has low total harmonic distortion (THD) and noise, contributing to high-quality sound reproduction.
The device comes in a compact Multiwatt package, making it easy to integrate into different circuit designs. With its efficiency and robust performance, the TDA7498E is a popular choice for developers seeking high-quality audio amplification in consumer electronics.
Key features include a wide supply voltage range, typically from 14V to 36V, which offers flexibility in various applications. The amplifier also incorporates advanced protection mechanisms, such as over-temperature, over-current, and short-circuit protection, ensuring reliable operation. Additionally, the TDA7498E has low total harmonic distortion (THD) and noise, contributing to high-quality sound reproduction.
The device comes in a compact Multiwatt package, making it easy to integrate into different circuit designs. With its efficiency and robust performance, the TDA7498E is a popular choice for developers seeking high-quality audio amplification in consumer electronics.
Equivalent
The TDA7498E is a Class-D audio amplifier. Equivalent products include the Texas Instruments TPA3116D2, TPA3118D2, and TPA3128D2, as well as the MAX9744 by Maxim Integrated and the Infineon MA12070. These chips share similar functionalities, such as efficient power output and low distortion for audio amplification. However, specific features and power ratings may vary, so reviewing the datasheets for compatibility with your specific application is advisable.
Features
The TDA7498E is a high-efficiency digital amplifier IC designed for audio applications. It features a dual BTL (Bridge-Tied Load) class-D amplifier capable of delivering up to 160W per channel into 4-ohm loads, with a high efficiency of over 90%, reducing heat dissipation and improving power management. The device supports a wide supply voltage range from 14V to 39V, making it suitable for various audio systems. It offers comprehensive protection features, including thermal shutdown, overcurrent, and undervoltage protection, ensuring reliability and safety.
The TDA7498E also incorporates advanced modulation techniques to minimize distortion and enhance sound quality, achieving a Total Harmonic Distortion (THD) of less than 0.1% at rated power. It includes a mute and standby function for power-saving operations, and it's designed for minimal external components, simplifying circuit design. The chip is available in a compact PowerSSO-36 package, suitable for compact audio devices. Overall, the TDA7498E is ideal for home audio systems, soundbars, and active speakers, offering a combination of high power output, efficiency, and protection features.
The TDA7498E also incorporates advanced modulation techniques to minimize distortion and enhance sound quality, achieving a Total Harmonic Distortion (THD) of less than 0.1% at rated power. It includes a mute and standby function for power-saving operations, and it's designed for minimal external components, simplifying circuit design. The chip is available in a compact PowerSSO-36 package, suitable for compact audio devices. Overall, the TDA7498E is ideal for home audio systems, soundbars, and active speakers, offering a combination of high power output, efficiency, and protection features.
Pinout
The TDA7498E is a dual BTL (Bridge-Tied Load) class-D audio amplifier IC. It is typically used in audio applications due to its efficiency and ability to deliver high power output.
The TDA7498E comes in a 36-pin PowerSSO package. Its key functions include:
1. Power Output: It provides up to 160 watts per channel at 4 ohms.
2. Amplifier Type: Class-D, which is known for high efficiency and low heat generation.
3. Supply Voltage: Operates typically between 14V and 39V.
4. Efficiency: High efficiency suitable for compact audio systems.
5. Thermal Protection: Includes over-temperature and short-circuit protection features.
6. Mute and Standby Functions: These are available to reduce power consumption when not in use.
The TDA7498E is well-suited for medium to high-power audio applications, such as home theater systems and active speaker setups.
The TDA7498E comes in a 36-pin PowerSSO package. Its key functions include:
1. Power Output: It provides up to 160 watts per channel at 4 ohms.
2. Amplifier Type: Class-D, which is known for high efficiency and low heat generation.
3. Supply Voltage: Operates typically between 14V and 39V.
4. Efficiency: High efficiency suitable for compact audio systems.
5. Thermal Protection: Includes over-temperature and short-circuit protection features.
6. Mute and Standby Functions: These are available to reduce power consumption when not in use.
The TDA7498E is well-suited for medium to high-power audio applications, such as home theater systems and active speaker setups.
Manufacturer
The TDA7498E is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer headquartered in Geneva, Switzerland. It is one of the world's leading semiconductor companies, providing a wide range of products and solutions for various applications, including automotive, industrial, personal electronics, and communication equipment. The company is known for its expertise in developing and producing integrated circuits, sensors, power management devices, and microcontrollers, among other components.
Application
The TDA7498E is a high-power audio amplifier IC designed for various audio applications. It is commonly used in:
1. Home Audio Systems: Enhances the audio output for home theaters and stereo systems.
2. Car Audio Amplifiers: Provides powerful sound output for automotive sound systems.
3. Portable Speakers: Offers compact, efficient amplification for portable and Bluetooth speakers.
4. Soundbars: Delivers clear and strong audio for enhanced TV sound experiences.
5. Public Address Systems: Used in PA systems for clear and loud sound transmission in public spaces.
Its high efficiency and thermal management make it suitable for applications requiring robust audio performance.
1. Home Audio Systems: Enhances the audio output for home theaters and stereo systems.
2. Car Audio Amplifiers: Provides powerful sound output for automotive sound systems.
3. Portable Speakers: Offers compact, efficient amplification for portable and Bluetooth speakers.
4. Soundbars: Delivers clear and strong audio for enhanced TV sound experiences.
5. Public Address Systems: Used in PA systems for clear and loud sound transmission in public spaces.
Its high efficiency and thermal management make it suitable for applications requiring robust audio performance.
Package
The TDA7498E is typically available in a multi-pin PowerSSO-36 (Power Shrink Small Outline) package. This package type is designed for efficient heat dissipation and compact size, suitable for high-power audio amplifier applications.
