Overview
The TDA7297 is a dual bridge amplifier designed by STMicroelectronics, specifically tailored for applications in TV and Portable Radio systems. This integrated circuit features two amplifier channels, making it suitable for microprocessor-driven and cost-efficient audio amplification. The TDA7297 operates as a class-AB amplifier and supports a wide supply voltage range from 6V to 18V, making it versatile for various consumer electronics.
Key Specifications
| No of Channels | 2 |
|---|---|
| Gain | 32dB |
| Supply Voltage-Max | 18V |
| Output Power | 15W per channel (at 12V) |
| Load Impedance | 4Ω to 8Ω |
| THD (Total Harmonic Distortion) | <0.1% |
| Signal-to-Noise Ratio (SNR) | >90dB |
| Operating Temperature Range | 0°C to 70°C |
| Package Style | MULTIWATT-15 |
| Mounting Method | Flange Mount |
Key Features
- Wide supply voltage range (6V-18V)
- Minimum external components required
- No SWR capacitor, bootstrap, or Boucherot cells needed
- Internally fixed gain
- Stand-by and mute functions
- Short circuit protection and thermal overload protection
- High output power: up to 15W per channel
- Low distortion: THD < 0.1%
- Compact design suitable for small audio projects
- Easy integration with various audio sources
Applications
The TDA7297 is specifically designed for use in TV and Portable Radio applications. It is also suitable for other consumer electronics such as home theater systems and DIY audio projects, including portable speaker systems.
Q & A
- What is the TDA7297? The TDA7297 is a dual bridge amplifier designed by STMicroelectronics for TV and Portable Radio applications.
- What is the output power of the TDA7297? The TDA7297 can deliver up to 15W per channel at 12V.
- What is the supply voltage range of the TDA7297? The supply voltage range is from 6V to 18V.
- What kind of protection does the TDA7297 have? The TDA7297 features short circuit protection and thermal overload protection.
- Does the TDA7297 require external components? The TDA7297 requires minimum external components.
- What are the stand-by and mute functions of the TDA7297? The TDA7297 has stand-by and mute functions to manage power consumption and audio output.
- What is the load impedance range for the TDA7297? The load impedance range is from 4Ω to 8Ω.
- What is the THD of the TDA7297? The Total Harmonic Distortion (THD) is less than 0.1%.
- What is the operating temperature range of the TDA7297? The operating temperature range is from 0°C to 70°C.
- What is the package style of the TDA7297? The package style is MULTIWATT-15 with a flange mount.
