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LM4862MX/NOPB
Product Overview
Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: - High-performance audio amplifier - Low power consumption - Small package size - Wide supply voltage range - Thermal shutdown protection
Package: SOP-8 (Small Outline Package)
Essence: The LM4862MX/NOPB is a high-performance audio amplifier IC designed for various audio applications.
Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.
Specifications
- Supply Voltage Range: 2.7V to 5.5V
- Output Power: 1.1W (typical) at 5V, 10% THD+N, 8Ω load
- Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 1.1W, 8Ω load
- Shutdown Current: 0.6μA (typical)
- Quiescent Power Supply Current: 4mA (typical)
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The LM4862MX/NOPB has the following pin configuration:
___________
| |
NC |1 8| VDD
IN- |2 7| SHUTDOWN
IN+ |3 6| OUT
GND |4 5| BYPASS
|___________|
Functional Features
- Low quiescent current consumption
- Thermal shutdown protection prevents device overheating
- Bypass pin allows direct connection to an external volume control potentiometer
- Shutdown pin for power-saving mode
Advantages and Disadvantages
Advantages: - High-performance audio amplification - Low power consumption - Small package size for space-constrained applications - Wide supply voltage range allows flexibility in power source selection
Disadvantages: - Limited output power compared to higher wattage amplifiers - May require additional external components for certain applications
Working Principles
The LM4862MX/NOPB is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It amplifies the input audio signal and drives the connected speaker or headphone. The device operates by converting the low-level audio signal into a higher power output suitable for audio playback.
Detailed Application Field Plans
The LM4862MX/NOPB can be used in various audio applications, including but not limited to: - Portable audio devices - Mobile phones - Tablets - Personal computers - Gaming consoles - Home entertainment systems
Detailed and Complete Alternative Models
Some alternative models to the LM4862MX/NOPB include: - LM4861MX/NOPB - LM4863MX/NOPB - LM4864MX/NOPB - LM4865MX/NOPB
These alternative models offer similar functionality and characteristics, providing options for different design requirements.
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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LM4862MX/NOPB dalam solusi teknis
Question: What is the maximum power supply voltage for LM4862MX/NOPB?
Answer: The maximum power supply voltage for LM4862MX/NOPB is 5.5V.Question: What is the typical output power of LM4862MX/NOPB?
Answer: The typical output power of LM4862MX/NOPB is 325mW per channel into an 8Ω load.Question: Can LM4862MX/NOPB operate with a single power supply?
Answer: Yes, LM4862MX/NOPB can operate with a single power supply ranging from 2.7V to 5.5V.Question: What is the recommended input voltage range for LM4862MX/NOPB?
Answer: The recommended input voltage range for LM4862MX/NOPB is 0.9V to 3.6V.Question: Does LM4862MX/NOPB have built-in thermal shutdown protection?
Answer: Yes, LM4862MX/NOPB has built-in thermal shutdown protection to prevent overheating.Question: What is the typical quiescent current of LM4862MX/NOPB?
Answer: The typical quiescent current of LM4862MX/NOPB is 4mA.Question: Can LM4862MX/NOPB be used in portable audio applications?
Answer: Yes, LM4862MX/NOPB is suitable for use in portable audio applications due to its low power consumption and small package size.Question: What is the recommended output capacitor value for LM4862MX/NOPB?
Answer: A 10μF ceramic capacitor is recommended for the output of LM4862MX/NOPB.Question: Does LM4862MX/NOPB have short-circuit and thermal overload protection?
Answer: Yes, LM4862MX/NOPB features short-circuit and thermal overload protection to ensure device safety.Question: Is LM4862MX/NOPB suitable for driving headphones and speakers?
Answer: Yes, LM4862MX/NOPB is designed to drive both headphones and speakers, making it versatile for various audio applications.