Overview
The TDA7492MV is a mono BTL class-D audio amplifier designed by STMicroelectronics. It is optimized for use in home systems and docking stations. This amplifier is known for its high efficiency and does not require a heatsink due to its exposed-pad-down (EPD) package.
The TDA7492MV offers a single power supply operation, making it versatile and easy to integrate into various audio systems.
Key Specifications
| Parameter | Condition | Value | Unit |
|---|---|---|---|
| Continuous Output Power | RL = 6 Ω, THD = 10%, VCC = 25 V | 50 W | W |
| Continuous Output Power | RL = 8 Ω, THD = 10%, VCC = 25 V | 40 W | W |
| Supply Voltage Range | 10 - 26 V | V | |
| Efficiency | 90% | % | |
| Gain Settings | 21.6 dB, 27.6 dB, 31.1 dB, 33.6 dB | dB | |
| Operating Temperature Range | -40 to +85 °C | °C | |
| Junction Temperature Range | -40 to +150 °C | °C | |
| Switching Frequency | Internal oscillator | 290 - 330 kHz | kHz |
Key Features
- High efficiency (η = 90%) reducing the need for a heatsink.
- Wide range single supply operation (10 - 26 V).
- Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB, and 33.6 dB.
- Differential inputs to minimize common-mode noise.
- Standby and mute features for power management.
- Short-circuit protection and thermal-overload protection for reliability.
- Externally synchronizable for flexible system design.
- ECOPACK®, environmentally friendly package.
Applications
The TDA7492MV is designed for use in various home audio systems and docking stations. Its high efficiency and compact design make it suitable for:
- Home audio systems requiring high-quality mono audio output.
- Docking stations and portable audio devices.
- Other applications where a single-channel, high-power audio amplifier is needed.
Q & A
- What is the maximum continuous output power of the TDA7492MV?
The maximum continuous output power is 50 W with a 6 Ω load and 10% THD at VCC = 25 V.
- What is the operating temperature range of the TDA7492MV?
The operating temperature range is -40 to +85 °C.
- Does the TDA7492MV require a heatsink?
No, due to its high efficiency and exposed-pad-down (EPD) package, a heatsink is not required.
- What are the gain settings available on the TDA7492MV?
The gain settings are nominally 21.6 dB, 27.6 dB, 31.1 dB, and 33.6 dB.
- What kind of protection features does the TDA7492MV have?
The TDA7492MV has short-circuit protection and thermal-overload protection.
- Can the TDA7492MV be externally synchronized?
- What is the typical switching frequency of the TDA7492MV?
The typical switching frequency is between 290 kHz and 330 kHz with the internal oscillator.
- What is the supply voltage range for the TDA7492MV?
The supply voltage range is 10 - 26 V.
- Is the TDA7492MV environmentally friendly?
- What types of inputs does the TDA7492MV have?
The TDA7492MV has differential inputs to minimize common-mode noise.
