Overview
The TDA7266S is a 5W dual bridge amplifier designed and manufactured by STMicroelectronics. This integrated circuit is specifically tailored for applications requiring high-quality audio amplification with minimal external components. It is ideal for use in various audio systems, including speaker systems, headphones, and home entertainment setups. The TDA7266S is known for its reliability, efficiency, and high-fidelity audio performance, making it a versatile choice for both consumer and professional audio applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3 - 18 | V |
| Output Power (THD = 10%) | 5 W | W |
| Output Peak Current (internally limited) | 2 A | A |
| Total Power Dissipation (Tcase = 70 °C) | 20 W | W |
| Operating Temperature Range | -10 to +85 °C | °C |
| Storage Temperature Range | -40 to +150 °C | °C |
| Thermal Resistance Junction-case | 1.8 - 2.5 °C/W | °C/W |
| Total Quiescent Current | 50 - 65 mA | mA |
| Output Offset Voltage | 120 mV | mV |
| Total Harmonic Distortion (PO = 1 W) | 0.05 - 0.2 % | % |
| Supply Voltage Rejection | 40 - 56 dB | dB |
| Crosstalk | 46 - 60 dB | dB |
| Input Resistance | 25 - 30 kΩ | kΩ |
Key Features
- Wide Supply Voltage Range: Operates from 3 to 18 V, providing flexibility in various power supply scenarios.
- Minimum External Components: No need for SWR capacitor, bootstrap, or Boucheron cells; internally fixed gain simplifies circuit design.
- Standby and Mute Functions: Allows for controlled power-on and mute operations, reducing noise and transient issues.
- Short-Circuit Protection: Protects the amplifier from short-circuit conditions.
- Thermal Overload Protection: Prevents damage due to overheating.
- High Audio Quality: Offers low distortion and minimal noise for high-fidelity audio reproduction.
Applications
- Audio Speaker Systems: Ideal for home entertainment and professional speaker setups.
- Headphones: Provides high-quality audio amplification for headphone applications.
- Audio Headunits: Suitable for car audio and other headunit systems.
- Home Entertainment Systems: Used in various home audio equipment requiring reliable and efficient audio amplification.
- Portable Radio and TV Applications: Designed for use in portable radios and TVs due to its compact and efficient design.
Q & A
- What is the supply voltage range of the TDA7266S?
The TDA7266S operates from a supply voltage range of 3 to 18 V.
- What is the output power of the TDA7266S?
The TDA7266S can deliver an output power of up to 5 W per channel.
- Does the TDA7266S require external components like SWR capacitors or bootstrap capacitors?
No, the TDA7266S does not require SWR capacitors, bootstrap capacitors, or Boucheron cells.
- What protection features does the TDA7266S have?
The TDA7266S includes short-circuit protection and thermal overload protection.
- How does the standby and mute function work on the TDA7266S?
The standby and mute functions allow for controlled power-on and mute operations, helping to avoid noise and transient issues during startup and shutdown.
- What is the typical quiescent current of the TDA7266S?
The typical quiescent current of the TDA7266S is between 50 to 65 mA.
- What is the thermal resistance junction-case of the TDA7266S?
The thermal resistance junction-case of the TDA7266S is typically 1.8 to 2.5 °C/W.
- What are the common applications of the TDA7266S?
The TDA7266S is commonly used in audio speaker systems, headphones, audio headunits, and home entertainment systems.
- What package type is the TDA7266S available in?
The TDA7266S is available in a Multiwatt-15 package.
- Who manufactures the TDA7266S?
The TDA7266S is manufactured by STMicroelectronics.
