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TDA7294VSTMicroelectronics
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TDA7294 TDA7293 TDA7295 TDA7296 power amplifier, SMD PCB edition
The TDA7294 and TDA7293 are both high-performance audio amplifier integrated circuits designed for Hi-Fi applications, capable of delivering up to 100W of output power. They are often used in mono or stereo configurations for home audio systems, subwoofers, and professional audio setups. Below is an overview of their features and the SMD PCB designs available for these amplifiers.
Details
https://xtronic.org/circuit/amplifier/tda7294-tda7293-audio-amplifier-smd-pcb/
Português
https://te1.com.br/2025/01/tda7265-circuito-amplificador-potencia-2-1/
## **TDA7294 and TDA7293 Overview**
- **TDA7294**:
- Maximum operating voltage: ±35V.
- Output power: Up to 100W with low distortion.
- Features include muting, standby functions, thermal shutdown, and short-circuit protection.
- Designed for 4Ω and 8Ω loads with high supply voltage rejection and low noise.
- **TDA7293**:
- Maximum operating voltage: ±40V.
- Output power: Similar to TDA7294 but supports higher supply voltages for greater dynamic range.
- Includes additional features like modularity for parallel operation, making it suitable for driving low-impedance loads.
- Offers advanced protection mechanisms and a clip detector for professional audio environments.
Both chips use DMOS technology, ensuring high efficiency and linearity in audio reproduction.
## **SMD PCB Design for TDA7294 and TDA7293**
Recent advancements in PCB design have made compact SMD (Surface-Mount Device) boards available for these amplifiers. These designs optimize space while maintaining performance:
- **Compact Dimensions**: A typical SMD PCB design measures approximately 4.6cm x 2.7cm, making it smaller than traditional through-hole designs. This is ideal for compact audio systems.
- **Power Supply Requirements**:
- Minimum: ±30V DC.
- Maximum: ±40V DC (for TDA7294) or ±50V DC (for TDA7293).
- Recommended: ±35V DC for optimal performance.
- **Performance**:
- Tested output power reaches nearly 100W RMS using a 4Ω load with minimal distortion.
- Suitable for both indoor and outdoor use in two-way speaker systems.
### **PCB Features**
- **Materials**: Double-sided PCB with thick copper layers (e.g., 2.0A) ensures efficient current flow and heat dissipation[13].
- **Compatibility**: Both ICs are pin-compatible, allowing the same PCB layout to support either model depending on the desired voltage range and application.
- **Additional Files**: Gerber files, Bill of Materials (BoM), and Component Placement List (CPL) are often provided to facilitate manufacturing or assembly via PCBA services like PCBWAY.
## **Applications**
These amplifiers are widely used in:
- Home stereo systems.
- Subwoofers.
- Professional audio equipment such as stage monitors or studio speakers.
- Car audio systems.
The choice between TDA7294 and TDA7293 depends on the specific application requirements, such as voltage range, load impedance, and desired output power.
In summary, the SMD PCB designs for the TDA7294 and TDA7293 offer compactness, high performance, and versatility. These boards are well-suited for audiophiles looking to build efficient and powerful audio amplification systems.
TDA7294 TDA7293 TDA7295 TDA7296 power amplifier, SMD PCB edition
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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