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LM4811YD/NOPB
Product Overview
Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: - Mono Class AB Audio Power Amplifier - Low Quiescent Current - Wide Supply Voltage Range - Thermal Shutdown Protection - Short-Circuit Protection - Surface Mount Package
Package: 8-Pin SOIC (Small Outline Integrated Circuit)
Essence: The LM4811YD/NOPB is a mono audio power amplifier IC designed for low-power applications. It provides high-quality audio amplification with minimal power consumption.
Packaging/Quantity: The LM4811YD/NOPB is available in tape and reel packaging, with 2500 units per reel.
Specifications
- Supply Voltage Range: 2.7V to 5.5V
- Quiescent Current: 4mA (typical)
- Output Power: 1W into 8Ω at 5V
- Total Harmonic Distortion + Noise (THD+N): 0.2% (typical) at 1kHz, 1W
- Shutdown Current: 0.01μA (typical)
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The LM4811YD/NOPB has the following pin configuration:
____
VDD | | GND
IN+ | | SHUTDOWN
IN- | | OUT
BYP | |
______|____|
Functional Features
- Low quiescent current allows for efficient power usage.
- Wide supply voltage range enables flexibility in various applications.
- Thermal shutdown protection prevents damage due to excessive heat.
- Short-circuit protection safeguards the amplifier and connected components.
- Surface mount package facilitates easy integration onto PCBs.
Advantages and Disadvantages
Advantages: - Low power consumption - High-quality audio amplification - Wide supply voltage range - Protection features for enhanced reliability - Compact surface mount package
Disadvantages: - Mono output only - Limited output power (1W)
Working Principles
The LM4811YD/NOPB operates as a Class AB audio power amplifier. It amplifies the input audio signal and delivers it to the connected speaker or load. The amplifier is designed to provide high-quality audio reproduction while consuming minimal power.
Detailed Application Field Plans
The LM4811YD/NOPB can be used in various low-power audio applications, including: - Portable audio devices - Mobile phones - Tablets - MP3 players - Personal computers - Gaming consoles
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LM4811YD/NOPB include: - LM4861 - TPA2005D1 - MAX9814 - TS4871
These alternatives can be considered based on specific requirements and design constraints.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4811YD/NOPB v technických řešeních
Question: What is the typical application of LM4811YD/NOPB?
Answer: The LM4811YD/NOPB is commonly used as a mono 105mW headphone amplifier in portable devices.Question: What is the supply voltage range for LM4811YD/NOPB?
Answer: The supply voltage range for LM4811YD/NOPB is typically 2.7V to 5.5V.Question: Can LM4811YD/NOPB be used in battery-powered applications?
Answer: Yes, LM4811YD/NOPB is suitable for battery-powered applications due to its low power consumption.Question: What is the output power capability of LM4811YD/NOPB?
Answer: LM4811YD/NOPB can deliver up to 105mW into a 16Ω load.Question: Is LM4811YD/NOPB suitable for use in audio equipment?
Answer: Yes, LM4811YD/NOPB is commonly used in audio equipment such as MP3 players and smartphones.Question: Does LM4811YD/NOPB require external coupling capacitors?
Answer: No, LM4811YD/NOPB does not require external coupling capacitors, which simplifies the design.Question: What is the typical shutdown current of LM4811YD/NOPB?
Answer: The typical shutdown current of LM4811YD/NOPB is 0.6μA.Question: Can LM4811YD/NOPB drive low-impedance headphones?
Answer: Yes, LM4811YD/NOPB can drive low-impedance headphones down to 16Ω.Question: What is the recommended operating temperature range for LM4811YD/NOPB?
Answer: The recommended operating temperature range for LM4811YD/NOPB is -40°C to 85°C.Question: Is LM4811YD/NOPB available in a small package for space-constrained designs?
Answer: Yes, LM4811YD/NOPB is available in a small 8-pin WSON package, making it suitable for space-constrained designs.