Overview
The TDA7294HS is a monolithic integrated circuit designed by STMicroelectronics, intended for use as an audio class AB amplifier in high-fidelity (Hi-Fi) field applications. This component is part of the TDA7294 series and is particularly noted for its high-performance capabilities, including a wide operating voltage range and high output power. It is suitable for various applications such as home stereo systems, self-powered loudspeakers, and top-class TV systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Min | 10.0 | Volt |
| Supply Voltage Max | 40.0 | Volt |
| Output Power | Up to 100 W | |
| Load Impedance | 4 Ω, 8 Ω | |
| Input Bias Current | 500 nA | |
| Input Offset Voltage (Vos) | 10 mV | |
| Open Loop Voltage Gain | 80 dB | |
| Thermal Shutdown | 145 °C | |
| Operating Ambient Temperature Range | 0 to 70 °C | |
| Storage Temperature | -40 to 150 °C | |
| Packing Type | Tube | |
| RoHS Compliant | Ecopack2 | |
| Package Name | Multiwatt15H |
Key Features
- Very high operating voltage range (± 40 V)
- DMOS power stage
- High output power (up to 100 W music power)
- Muting and stand-by functions with no switch on/off noise
- No Boucherot cells
- Very low distortion and noise
- Short circuit protection and thermal shutdown
- High supply voltage rejection
- Stand-by function with turn on delay to avoid switching noises
Applications
The TDA7294HS is widely used in various high-fidelity audio applications, including home stereo systems, self-powered loudspeakers, and top-class TV systems. Its robust design and high performance make it suitable for demanding audio environments.
Q & A
- What is the TDA7294HS used for?
The TDA7294HS is used as an audio class AB amplifier in high-fidelity (Hi-Fi) field applications. - What is the maximum output power of the TDA7294HS?
The maximum output power is up to 100 W. - What is the operating voltage range of the TDA7294HS?
The operating voltage range is ± 40 V. - Does the TDA7294HS have built-in protection features?
Yes, it includes short circuit protection and thermal shutdown. - What are the typical applications of the TDA7294HS?
Home stereo systems, self-powered loudspeakers, and top-class TV systems. - Is the TDA7294HS RoHS compliant?
Yes, it is RoHS compliant with Ecopack2. - What is the package type of the TDA7294HS?
The package type is Multiwatt15H. - Does the TDA7294HS have mute and stand-by functions?
Yes, it includes mute and stand-by functions with no switch on/off noise. - What is the thermal shutdown temperature of the TDA7294HS?
The thermal shutdown temperature is 145 °C. - What is the operating ambient temperature range of the TDA7294HS?
The operating ambient temperature range is 0 to 70 °C.
