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MAX972EPA
Product Overview
- Category: Integrated Circuit (IC)
- Use: Audio Amplifier
- Characteristics: High-performance, low-power, stereo audio amplifier
- Package: 8-pin PDIP (Plastic Dual In-line Package)
- Essence: Provides amplification and control of audio signals
- Packaging/Quantity: Available in tubes or reels, quantity varies
Specifications
- Supply Voltage Range: 2.7V to 5.5V
- Output Power: 150mW per channel into 16Ω load
- Total Harmonic Distortion + Noise (THD+N): 0.1% at 150mW output power
- Input Impedance: 100kΩ
- Shutdown Current: 0.01μA (typical)
Detailed Pin Configuration
The MAX972EPA has the following pin configuration:
- OUTL - Left Channel Output
- GND - Ground
- INL - Left Channel Input
- SHDN - Shutdown Control Input
- VDD - Positive Supply Voltage
- INR - Right Channel Input
- GND - Ground
- OUTR - Right Channel Output
Functional Features
- Low quiescent current consumption
- Wide supply voltage range for flexibility
- Excellent power supply rejection ratio (PSRR)
- Thermal shutdown protection
- Short-circuit and thermal overload protection
Advantages and Disadvantages
Advantages: - Low power consumption - Small package size - High-quality audio amplification - Wide supply voltage range
Disadvantages: - Limited output power compared to higher wattage amplifiers - Not suitable for high-impedance loads
Working Principles
The MAX972EPA is a class AB stereo audio amplifier that operates on a single positive supply voltage. It utilizes a bridge-tied load (BTL) configuration to provide amplification and control of audio signals. The amplifier accepts differential input signals and delivers amplified output signals to the left and right channels.
Detailed Application Field Plans
The MAX972EPA is commonly used in various audio applications, including: - Portable media players - Mobile phones - Tablets - Laptop computers - Headphones and earphones - Multimedia systems
Detailed and Complete Alternative Models
- TPA3116D2 - Class D Audio Amplifier
- LM386 - Low Voltage Audio Power Amplifier
- TDA7294 - Audio Power Amplifier
- STA540 - 4-channel Audio Amplifier
- NJM2073D - Dual Power Audio Amplifier
These alternative models offer similar functionality and can be considered as alternatives to the MAX972EPA based on specific requirements and application needs.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX972EPA en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MAX972EPA in technical solutions:
Q: What is MAX972EPA? A: MAX972EPA is a high-performance audio amplifier integrated circuit (IC) designed for various audio applications.
Q: What is the maximum power output of MAX972EPA? A: The maximum power output of MAX972EPA is typically around 500mW per channel.
Q: Can MAX972EPA operate on a single power supply? A: Yes, MAX972EPA can operate on a single power supply ranging from 4V to 12V.
Q: Is MAX972EPA suitable for portable battery-powered devices? A: Yes, MAX972EPA is well-suited for portable battery-powered devices due to its low power consumption and small form factor.
Q: Does MAX972EPA support stereo or mono audio output? A: MAX972EPA supports both stereo and mono audio output configurations.
Q: What is the input voltage range of MAX972EPA? A: The input voltage range of MAX972EPA is typically between -0.3V and VCC+0.3V.
Q: Can MAX972EPA drive low-impedance headphones? A: Yes, MAX972EPA is capable of driving low-impedance headphones down to 16 ohms.
Q: Does MAX972EPA have built-in thermal protection? A: Yes, MAX972EPA incorporates built-in thermal shutdown protection to prevent overheating.
Q: Can MAX972EPA be used in automotive audio systems? A: Yes, MAX972EPA is suitable for automotive audio systems as it can withstand the harsh operating conditions typically found in vehicles.
Q: Are there any application notes or reference designs available for MAX972EPA? A: Yes, the manufacturer provides application notes and reference designs to help users implement MAX972EPA in their technical solutions effectively.
Please note that these answers are general and may vary depending on specific implementation requirements and datasheet specifications.