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MAX9708ETN+TD
Product Overview
- Category: Integrated Circuit (IC)
- Use: Audio Amplifier
- Characteristics: High-performance, low-power, stereo Class D audio amplifier
- Package: 56-pin TQFN (Thin Quad Flat No-Lead) package
- Essence: Provides high-quality audio amplification in a compact form factor
- Packaging/Quantity: Tape and reel packaging, quantity varies based on supplier
Specifications
- Power Supply Voltage Range: 4.5V to 14V
- Output Power: Up to 2 x 20W into 8Ω speakers
- Efficiency: Up to 92%
- Total Harmonic Distortion + Noise (THD+N): <0.1% at 1kHz, 1W output power
- Signal-to-Noise Ratio (SNR): >100dB
- Shutdown Current: <1µA
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The MAX9708ETN+TD has a total of 56 pins. The pin configuration is as follows:
- VDD
- GND
- SD
- INL-
- INL+
- PGND
- OUTL
- PVDD
- BST
- BSTC
- BSTB
- BSTA
- GND
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
Functional Features
- High-efficiency Class D amplifier architecture
- Low-power consumption
- Wide power supply voltage range
- Thermal and short-circuit protection
- Pop-and-click suppression during power-up and shutdown
- Integrated shutdown control for power saving
Advantages and Disadvantages
Advantages: - High audio quality with low distortion - Efficient power usage - Compact package size - Protection features ensure reliability
Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for proper operation
Working Principles
The MAX9708ETN+TD is a stereo Class D audio amplifier that utilizes pulse-width modulation (PWM) to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to drive the connected speakers. The Class D amplifier design ensures high efficiency and low power consumption.
Detailed Application Field Plans
The MAX9708ETN+TD is suitable for various audio amplification applications, including:
- Portable audio devices such as smartphones, tablets, and portable media players
- Home audio systems
- Automotive audio systems
- Multimedia and gaming systems
- Professional audio equipment
Detailed and Complete Alternative Models
- TPA3116D2: 50W Stereo Class D Audio Amplifier
- TAS5630B: 300W Stereo Class D Audio Amplifier
- LM3886: 68W Hi-Fi Audio Amplifier
- STA540: 4 x 13W Quad Bridge Audio Amplifier
- TDA7498E: 2 x 160W Dual BTL Class D Audio Amplifier
These alternative models offer different power outputs and features, allowing users to choose the most suitable amplifier for their specific requirements.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MAX9708ETN+TD trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of MAX9708ETN+TD in technical solutions:
Q: What is the MAX9708ETN+TD? A: The MAX9708ETN+TD is a high-performance, mono Class D audio amplifier with integrated boost converter.
Q: What is the maximum output power of the MAX9708ETN+TD? A: The MAX9708ETN+TD can deliver up to 20W of continuous output power into an 8Ω load.
Q: Can the MAX9708ETN+TD operate from a single power supply? A: Yes, the MAX9708ETN+TD can operate from a single power supply ranging from 4.5V to 18V.
Q: Does the MAX9708ETN+TD require any external components for operation? A: Yes, the MAX9708ETN+TD requires a few external components such as input coupling capacitors, feedback resistors, and an inductor for the boost converter.
Q: What is the efficiency of the MAX9708ETN+TD? A: The MAX9708ETN+TD has a high efficiency of up to 90%, making it suitable for battery-powered applications.
Q: Can the MAX9708ETN+TD be used in automotive applications? A: Yes, the MAX9708ETN+TD is automotive qualified and can be used in various automotive audio systems.
Q: Does the MAX9708ETN+TD have any built-in protection features? A: Yes, the MAX9708ETN+TD includes built-in overcurrent protection, thermal shutdown, and undervoltage lockout features.
Q: Can the MAX9708ETN+TD be used in stereo applications? A: No, the MAX9708ETN+TD is a mono audio amplifier and is designed for single-channel applications.
Q: What is the frequency response of the MAX9708ETN+TD? A: The MAX9708ETN+TD has a flat frequency response from 20Hz to 20kHz, providing high-quality audio reproduction.
Q: Is there any evaluation board available for the MAX9708ETN+TD? A: Yes, Maxim Integrated provides an evaluation kit (MAX9708EVKIT) that allows users to easily test and evaluate the performance of the MAX9708ETN+TD in their applications.
Please note that these answers are based on general information about the MAX9708ETN+TD. For specific details and application requirements, it is recommended to refer to the datasheet and application notes provided by Maxim Integrated.