Overview
The TDA2052H is a monolithic integrated circuit produced by STMicroelectronics, designed for use as an audio class AB amplifier. It is packaged in a Heptawatt package and is intended for applications in TV and Hi-Fi systems. This amplifier is known for its high output power, low distortion, and integrated mute/stand-by function, making it suitable for a variety of audio applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VS) | ±6 to ±25 | V |
| Output Peak Current (IO) | 6 | A |
| Power Dissipation (Ptot) at Tcase = 70°C | 30 | W |
| Top Operating Temperature Range | 0 to +70 | °C |
| Storage and Junction Temperature (Tstg, Tj) | -40 to +150 | °C |
| Music Output Power (PO) at VS = +22.5V, RL = 4Ω | 50 to 60 | W |
| Continuous RMS Output Power at VS = +22V, RL = 4Ω | 35 to 40 | W |
| Total Harmonic Distortion (d) at PO = 0.1 to 20W, RL = 4Ω | 0.1 to 0.7 | % |
| Slew Rate (SR) | 3 to 5 | V/µs |
| Open Loop Voltage Gain (GV) | 80 | dB |
| Input Resistance (Ri) | 500 | KΩ |
| Supply Voltage Rejection (SVR) at f = 100Hz | 40 to 50 | dB |
| Thermal Shutdown (TS) | 145 | °C |
Key Features
- High output power up to 60W music power and 35W continuous RMS power into 4Ω loads.
- Low distortion with THD as low as 0.1%.
- Mute/stand-by function with three different thresholds for remote operation and to avoid switching on/off noises.
- No switch on/off noise.
- AC short-circuit protection and thermal shutdown for reliability.
- ESD protection.
- Wide supply voltage range up to ±25V.
- High current capability and low quiescent current.
Applications
The TDA2052H is suitable for various audio applications, including:
- TV audio systems.
- Hi-Fi audio systems.
- Multiway speaker systems, where it can be used to drive subwoofers, midrange, and tweeter speakers separately.
- Professional audio equipment where high power and low distortion are required.
Q & A
- What is the TDA2052H used for? The TDA2052H is used as an audio class AB amplifier in TV and Hi-Fi applications.
- What is the maximum output power of the TDA2052H? The maximum output power is up to 60W music power and 35W continuous RMS power into 4Ω loads.
- What are the key features of the mute/stand-by function? The mute/stand-by function has three different thresholds, avoids switching on/off noises, and can be controlled remotely.
- What kind of protection does the TDA2052H have? It has AC short-circuit protection, thermal shutdown, and ESD protection.
- What is the supply voltage range of the TDA2052H? The supply voltage range is up to ±25V.
- How does the thermal protection work? The thermal protection operates by decreasing the current generator value from 90°C on, switching the amplifier to mute at 145°C and to stand-by at 155°C.
- Can the TDA2052H be used in multiway speaker systems? Yes, it can be used to drive subwoofers, midrange, and tweeter speakers separately in multiway speaker systems.
- What is the typical quiescent current of the TDA2052H? The typical quiescent current is 40 mA at VS = +22V.
- How does the short-circuit protection work? The short-circuit protection puts the amplifier in stand-by mode if a short-circuit or overload is detected, preventing dangerous DC current flow.
- What is the input resistance of the TDA2052H? The input resistance is 500 KΩ.
