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TDA7480 - English Editing Encyclopedia Entry
Product Overview
Category
TDA7480 belongs to the category of audio amplifier integrated circuits.
Use
It is primarily used for amplifying audio signals in various electronic devices such as audio systems, home theaters, and car audio systems.
Characteristics
- TDA7480 is a Class D amplifier, known for its high efficiency and low power consumption.
- It operates on a single power supply voltage, making it suitable for portable and battery-powered applications.
- The amplifier offers excellent audio quality with low distortion and noise levels.
- It supports a wide range of input and output voltages, allowing flexibility in system design.
Package
TDA7480 is available in a compact and industry-standard package, typically a 20-pin PowerSO package.
Essence
The essence of TDA7480 lies in its ability to provide efficient and high-quality audio amplification in a compact form factor.
Packaging/Quantity
The TDA7480 is commonly sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's packaging standards.
Specifications
- Supply Voltage: 8V to 26V
- Output Power: Up to 25W per channel
- Total Harmonic Distortion (THD): <0.1%
- Signal-to-Noise Ratio (SNR): >90dB
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The TDA7480 features a 20-pin package with the following pin configuration:
- VCC: Power supply voltage
- GND: Ground reference
- IN1: Input 1
- IN2: Input 2
- IN3: Input 3
- IN4: Input 4
- MUTE: Mute control input
- STBY: Standby control input
- OUT1: Output 1
- OUT2: Output 2
- OUT3: Output 3
- OUT4: Output 4
- VCCP: Power supply voltage for the output stage
- GNDP: Ground reference for the output stage
- PVCC: Power supply voltage for the pre-driver stage
- GNDD: Ground reference for the pre-driver stage
- BOOT: Bootstrap capacitor connection
- BST: Bootstrap voltage
- FB: Feedback input
- COMP: Compensation network
Functional Features
- High efficiency and low power consumption due to Class D amplifier design.
- Wide operating voltage range allows compatibility with various power supply configurations.
- Built-in protection features such as over-temperature, over-voltage, and short-circuit protection ensure safe operation.
- Mute and standby control inputs provide additional functionality for system integration.
Advantages and Disadvantages
Advantages
- High efficiency leads to reduced power dissipation and longer battery life in portable applications.
- Excellent audio quality with low distortion and noise levels.
- Compact form factor enables space-saving designs.
- Built-in protection features enhance reliability and durability.
Disadvantages
- Limited output power compared to higher wattage amplifiers.
- May require additional external components for optimal performance.
Working Principles
TDA7480 utilizes a Class D amplifier topology, which employs pulse width modulation (PWM) techniques to amplify audio signals efficiently. The incoming audio signal is converted into a series of high-frequency pulses, which are then amplified by the power stage. These amplified pulses are filtered and reconstructed into an amplified audio signal.
Detailed Application Field Plans
The TDA7480 finds application in various audio systems, including: - Home theater systems - Car audio systems - Portable speakers - Multimedia devices - Soundbars
Detailed and Complete Alternative Models
- TDA7492: Similar Class D audio amplifier IC with higher output power.
- TPA3116D2: Class D amplifier IC with advanced features like integrated audio processing and Bluetooth connectivity.
- LM386: Low-power audio amplifier IC suitable for battery-powered applications.
These alternative models offer different specifications and features, providing options to suit specific application requirements.
In conclusion, the TDA7480 is a versatile audio amplifier IC that combines high efficiency, compact size, and excellent audio quality. Its wide range of applications and availability of alternative models make it a popular choice in the audio industry.
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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng TDA7480 sa mga teknikal na solusyon
Sure! Here are 10 common questions and answers related to the application of TDA7480 in technical solutions:
Q: What is TDA7480? A: TDA7480 is a class D audio amplifier integrated circuit (IC) that can be used to amplify audio signals in various applications.
Q: What is the power output of TDA7480? A: The TDA7480 has a maximum power output of 25 watts per channel into 8 ohms load.
Q: Can TDA7480 be used in stereo applications? A: Yes, TDA7480 is designed for stereo applications and can drive two speakers simultaneously.
Q: What is the input voltage range for TDA7480? A: The recommended input voltage range for TDA7480 is typically between ±5V to ±20V.
Q: Does TDA7480 require an external heat sink? A: It depends on the operating conditions and power dissipation. In some cases, an external heat sink may be required to prevent overheating.
Q: Can TDA7480 operate with a single power supply? A: No, TDA7480 requires a dual power supply configuration (+Vcc and -Vcc) for proper operation.
Q: What is the efficiency of TDA7480? A: TDA7480 is a class D amplifier, which is known for its high efficiency. It can achieve efficiency levels of up to 90%.
Q: Can TDA7480 handle low impedance loads? A: Yes, TDA7480 is capable of driving low impedance loads down to 4 ohms.
Q: Does TDA7480 have built-in protection features? A: Yes, TDA7480 includes built-in protection features such as over-temperature protection, short-circuit protection, and overvoltage protection.
Q: What are some typical applications of TDA7480? A: TDA7480 can be used in various audio applications such as home theater systems, multimedia speakers, portable audio devices, and automotive audio systems.
Please note that the answers provided here are general and may vary depending on specific design considerations and requirements.