TDA7267 - English Editing Encyclopedia Entry
Product Overview
Category
TDA7267 belongs to the category of integrated audio amplifier circuits.
Use
It is primarily used for amplifying audio signals in various electronic devices such as televisions, radios, and portable audio players.
Characteristics
- TDA7267 is a dual bridge amplifier with a maximum output power of 20 watts per channel.
- It operates on a wide supply voltage range of 6V to 18V, making it suitable for different applications.
- The amplifier circuit is designed to provide high-quality audio reproduction with low distortion and noise levels.
- It offers excellent thermal stability, ensuring reliable performance even under demanding conditions.
Package
TDA7267 is available in a compact and industry-standard package known as Multiwatt15. This package provides efficient heat dissipation and easy integration into various electronic systems.
Essence
The essence of TDA7267 lies in its ability to deliver powerful and clear audio amplification while maintaining a small form factor.
Packaging/Quantity
TDA7267 is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.
Specifications
- Supply Voltage Range: 6V to 18V
- Output Power: 20W per channel (maximum)
- Total Harmonic Distortion: <0.5%
- Signal-to-Noise Ratio: >80dB
- Operating Temperature Range: -40°C to +125°C
- Package Type: Multiwatt15
Detailed Pin Configuration
TDA7267 features a 15-pin configuration:
- Mute/Standby
- Input B (non-inverting)
- Input A (inverting)
- Ground
- Output A
- VCC (Positive Supply Voltage)
- Bootstrap
- Output B
- Ground
- Input B (inverting)
- Input A (non-inverting)
- Mute/Standby
- VCC (Positive Supply Voltage)
- Bootstrap
- Output B
Functional Features
- Dual bridge amplifier configuration allows for stereo audio amplification.
- Built-in mute and standby functions provide convenient control over the amplifier's operation.
- The bootstrap circuit enhances the efficiency of the amplifier by reducing power dissipation.
- Short-circuit and thermal protection mechanisms ensure the safety and longevity of the device.
Advantages and Disadvantages
Advantages
- Compact size and industry-standard package facilitate easy integration into various electronic systems.
- Wide supply voltage range enables versatile applications.
- High-quality audio reproduction with low distortion and noise levels.
- Efficient heat dissipation ensures reliable performance even under demanding conditions.
Disadvantages
- Limited output power compared to higher wattage amplifiers.
- May require additional external components for optimal performance in certain applications.
Working Principles
TDA7267 operates as a dual bridge amplifier, utilizing a combination of internal circuitry and external components to amplify audio signals. It employs a class AB amplifier configuration, which provides a balance between efficiency and audio fidelity. The input audio signals are amplified and delivered to the respective output channels, resulting in stereo sound reproduction.
Detailed Application Field Plans
TDA7267 finds application in various electronic devices, including: 1. Televisions and home theater systems 2. Radios and audio receivers 3. Portable audio players and music systems 4. Car audio systems 5. Computer speakers and multimedia devices
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to TDA7267 include: 1. TDA7269 - Similar specifications and pin configuration, but with higher output power. 2. TDA7266 - Lower output power but compatible pin configuration and package. 3. TDA7265 - Lower output power and different pin configuration, but suitable for certain applications.
In conclusion, TDA7267 is a compact and versatile integrated audio amplifier circuit that provides high-quality audio amplification for various electronic devices. Its wide supply voltage range, efficient design, and reliable performance make it a popular choice among audio system designers.
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技術ソリューションにおける TDA7267 の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of TDA7267 in technical solutions:
Q: What is TDA7267? A: TDA7267 is a dual bridge amplifier IC that can be used to amplify audio signals in various applications.
Q: What is the power supply voltage range for TDA7267? A: The power supply voltage range for TDA7267 is typically between 4.5V and 18V.
Q: What is the output power of TDA7267? A: TDA7267 can deliver an output power of up to 20W per channel when operating on a 4-ohm load.
Q: Can TDA7267 be used in stereo applications? A: Yes, TDA7267 is designed for stereo applications and can drive two separate channels simultaneously.
Q: Is it possible to use TDA7267 in a mono configuration? A: Yes, TDA7267 can also be configured as a mono amplifier by bridging the two channels together.
Q: What is the recommended speaker impedance for TDA7267? A: The recommended speaker impedance for TDA7267 is between 4 ohms and 8 ohms.
Q: Does TDA7267 require external components for operation? A: Yes, TDA7267 requires a few external components such as capacitors, resistors, and a volume control potentiometer.
Q: Can TDA7267 handle short-circuit protection? A: Yes, TDA7267 has built-in short-circuit protection to prevent damage to the IC in case of a speaker or wiring fault.
Q: What is the typical THD (Total Harmonic Distortion) of TDA7267? A: The typical THD of TDA7267 is around 0.1% at 1W output power.
Q: What are some common applications for TDA7267? A: TDA7267 can be used in various audio amplification applications such as portable speakers, computer speakers, and home theater systems.
Please note that these answers are general and may vary depending on the specific implementation and circuit design.