Overview
The TDA7492PETR, produced by STMicroelectronics, is a dual BTL (Bridge-Tied Load) class-D audio amplifier designed for various audio applications, including LCD TVs, monitors, and home audio systems. This amplifier is known for its high efficiency, which minimizes heat generation and reduces the complexity of heat management. It operates on a single power supply, simplifying the design and enhancing reliability by reducing the number of components and potential failure points.
The TDA7492PETR is part of the TDA7492 family, which is recognized for its robust performance, energy efficiency, and compact design. The amplifier's class-D structure employs high-frequency switching to convert signals efficiently, conserving power and generating minimal heat. This makes it an ideal choice for applications where space is limited and thermal conditions are challenging.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 8 - 26 | V |
| Output Power (6 Ω) | 50 W + 50 W | W |
| Output Power (8 Ω) | 40 W + 40 W | W |
| Efficiency | Up to 90% | % |
| Bandwidth | 22 kHz | kHz |
| Voltage Gain | 21.6 dB, 27.6 dB, 31.1 dB, 33.6 dB | dB |
| Supply Current - Max | 35 mA | mA |
| Operating Temperature | -40 to +85 °C | °C |
| Junction Temperature | -40 to +150 °C | °C |
| Package | 36-PowerFSOP (0.295", 7.50mm Width) Exposed Pad | |
| Number of Pins | 36 | |
| Mounting Type | Surface Mount |
Key Features
- High Efficiency: Up to 90% efficiency, reducing heat generation and energy consumption.
- Single Power Supply: Simplifies design and enhances reliability by reducing the number of components.
- Selectable Gain Settings: Four fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB, and 33.6 dB.
- Differential Inputs: Minimizes common-mode noise.
- Standby and Mute Features: Includes standby and mute modes for power management and audio control.
- Protection Features: Short-circuit protection and thermal overload protection to ensure system reliability.
- External Synchronization: Externally synchronizable for flexible system design.
- Environmental Compliance: ECOPACK®, environmentally friendly package.
Applications
The TDA7492PETR is designed for a variety of audio applications, including:
- LCD TVs and Monitors: Ideal for high-efficiency audio amplification in display devices.
- Home Audio Systems: Suitable for compact and energy-efficient home audio setups.
- Portable Audio Devices: Its compact design and low power consumption make it suitable for portable audio devices.
- Automotive Audio Systems: Can be used in automotive audio systems where space and efficiency are critical.
Q & A
- What is the TDA7492PETR?
The TDA7492PETR is a dual BTL class-D audio amplifier produced by STMicroelectronics, designed for high-efficiency audio amplification in various applications.
- What is the supply voltage range of the TDA7492PETR?
The supply voltage range is 8 to 26 volts.
- What is the maximum output power of the TDA7492PETR?
The maximum output power is 50 W + 50 W at 6 ohms and 40 W + 40 W at 8 ohms.
- What are the gain settings available for the TDA7492PETR?
The gain settings are nominally 21.6 dB, 27.6 dB, 31.1 dB, and 33.6 dB.
- Does the TDA7492PETR have protection features?
Yes, it includes short-circuit protection and thermal overload protection.
- Can the TDA7492PETR be externally synchronized?
Yes, it is externally synchronizable.
- What is the operating temperature range of the TDA7492PETR?
The operating temperature range is -40 to +85 °C.
- What package type is the TDA7492PETR available in?
The TDA7492PETR is available in a 36-PowerFSOP package with an exposed pad.
- Is the TDA7492PETR environmentally friendly?
Yes, it is packaged in an ECOPACK®, which is environmentally friendly.
- What are the typical applications of the TDA7492PETR?
Typical applications include LCD TVs, monitors, home audio systems, and portable audio devices.
- How many pins does the TDA7492PETR have?
The TDA7492PETR has 36 pins.
