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LM4819MX
Product Overview
Category
LM4819MX belongs to the category of audio amplifiers.
Use
It is primarily used for amplifying audio signals in various electronic devices.
Characteristics
- LM4819MX is a compact and versatile audio amplifier.
- It offers high-quality sound reproduction with low distortion.
- The amplifier operates on a wide range of power supply voltages.
- It has built-in thermal shutdown protection to prevent overheating.
Package
LM4819MX comes in a small outline integrated circuit (SOIC) package.
Essence
The essence of LM4819MX lies in its ability to amplify audio signals efficiently while maintaining sound quality.
Packaging/Quantity
LM4819MX is typically packaged in reels, containing a quantity of 250 units per reel.
Specifications
- Supply Voltage: 2.7V to 5.5V
- Output Power: Up to 1.1W per channel
- Total Harmonic Distortion: 0.1% (typical)
- Signal-to-Noise Ratio: 90dB (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
LM4819MX features a 16-pin configuration as follows:
- VDD - Positive power supply
- GND - Ground reference
- SD - Shutdown control input
- INL- - Left channel audio input
- INL+ - Left channel audio input
- BYP - Bypass capacitor connection
- OUTL- - Left channel audio output
- OUTL+ - Left channel audio output
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- OUTR+ - Right channel audio output
- OUTR- - Right channel audio output
- INR+ - Right channel audio input
- INR- - Right channel audio input
Functional Features
- High-Quality Audio Amplification: LM4819MX provides clear and accurate sound reproduction.
- Low Distortion: The amplifier minimizes distortion, ensuring faithful audio playback.
- Wide Power Supply Range: It can operate on a wide range of power supply voltages, enhancing versatility.
- Thermal Shutdown Protection: Built-in protection prevents overheating, ensuring safe operation.
Advantages and Disadvantages
Advantages
- Compact size allows for easy integration into various electronic devices.
- High-quality sound reproduction enhances the listening experience.
- Wide power supply range increases flexibility in different applications.
Disadvantages
- Limited output power compared to higher wattage amplifiers.
- May require additional components for certain applications.
Working Principles
LM4819MX operates as a class AB audio amplifier. It amplifies the audio signal received from the input channels and delivers it to the corresponding output channels. The amplifier ensures minimal distortion and high fidelity by utilizing feedback mechanisms and advanced circuitry.
Detailed Application Field Plans
LM4819MX finds application in various electronic devices, including but not limited to: - Portable audio players - Mobile phones - Tablets - Personal computers - Televisions - Automotive audio systems
Detailed and Complete Alternative Models
Some alternative models to LM4819MX include: - LM4861MX - LM4871MX - LM4891MX - TPA3116D2 - MAX9744
These models offer similar functionality and can be considered as alternatives based on specific requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4819MX v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LM4819MX in technical solutions:
Q: What is LM4819MX? A: LM4819MX is a stereo audio amplifier integrated circuit (IC) that can be used to amplify audio signals in various applications.
Q: What is the maximum output power of LM4819MX? A: The maximum output power of LM4819MX is typically 1.1 Watts per channel into an 8-ohm load with a 5V power supply.
Q: Can LM4819MX operate on a single power supply? A: Yes, LM4819MX can operate on a single power supply ranging from 2.7V to 5.5V.
Q: What is the input voltage range for LM4819MX? A: The input voltage range for LM4819MX is typically between -0.3V and VDD+0.3V.
Q: Does LM4819MX require external components for operation? A: Yes, LM4819MX requires a few external components such as capacitors, resistors, and input coupling capacitors for proper operation.
Q: Can LM4819MX drive headphones directly? A: Yes, LM4819MX can drive headphones directly as it has a built-in headphone driver circuitry.
Q: What is the typical total harmonic distortion (THD) of LM4819MX? A: The typical THD of LM4819MX is less than 0.1% at 1kHz and 1W output power.
Q: Is LM4819MX suitable for battery-powered applications? A: Yes, LM4819MX is suitable for battery-powered applications due to its low power consumption and wide operating voltage range.
Q: Can LM4819MX be used in portable audio devices? A: Yes, LM4819MX is commonly used in portable audio devices such as smartphones, tablets, MP3 players, etc.
Q: Does LM4819MX have thermal shutdown protection? A: Yes, LM4819MX has built-in thermal shutdown protection that prevents the IC from overheating by shutting down when the temperature exceeds a certain threshold.
Please note that these answers are general and may vary depending on the specific application and implementation of LM4819MX.