LM4804LQX
Product Overview
Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: - High-performance audio amplifier - Low power consumption - Compact size - Wide operating voltage range
Package: QFN (Quad Flat No-leads) package
Essence: The LM4804LQX is a high-quality audio amplifier designed for various applications, including portable devices, multimedia systems, and automotive audio systems.
Packaging/Quantity: Available in reels of 2500 units per reel.
Specifications
- Supply Voltage Range: 2.7V to 5.5V
- Output Power: Up to 1.25W per channel
- Total Harmonic Distortion (THD): <0.1%
- Signal-to-Noise Ratio (SNR): >90dB
- Shutdown Current: <1µA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The LM4804LQX has a total of 20 pins arranged as follows:
Pin 1: VDD
Pin 2: INL-
Pin 3: INL+
Pin 4: GND
Pin 5: BYP
Pin 6: SHDN
Pin 7: OUTL
Pin 8: OUTR
Pin 9: VDD
Pin 10: INR+
Pin 11: INR-
Pin 12: GND
Pin 13: VDD
Pin 14: NC
Pin 15: NC
Pin 16: NC
Pin 17: NC
Pin 18: NC
Pin 19: NC
Pin 20: GND
Functional Features
- Single-ended or differential input configuration
- Built-in thermal shutdown protection
- Short-circuit and overvoltage protection
- Low quiescent current
- Pop and click suppression circuitry
Advantages and Disadvantages
Advantages: - High-quality audio output - Wide operating voltage range allows for flexibility in power supply selection - Compact size enables integration into space-constrained designs - Low power consumption prolongs battery life in portable devices
Disadvantages: - Limited output power compared to some higher-powered amplifiers - May require additional external components for certain applications
Working Principles
The LM4804LQX is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It amplifies the audio signal received at the input pins and drives the corresponding output pins to produce an amplified audio output.
Detailed Application Field Plans
The LM4804LQX is suitable for various applications, including: 1. Portable audio devices such as MP3 players and smartphones 2. Multimedia systems like laptops and tablets 3. Automotive audio systems in cars and motorcycles 4. Headphone amplifiers and portable speakers
Detailed and Complete Alternative Models
- LM4863LQX: Similar audio amplifier with higher output power capability.
- LM4881LQX: Audio amplifier with integrated volume control functionality.
- LM4890LQX: Low-power audio amplifier designed for battery-operated applications.
These alternative models offer different features and specifications to cater to specific application requirements.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM4804LQX i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of LM4804LQX in technical solutions:
Question: What is LM4804LQX?
Answer: LM4804LQX is a high-performance audio amplifier designed for use in various technical solutions.Question: What is the power output of LM4804LQX?
Answer: The power output of LM4804LQX is typically around 1.25 watts per channel.Question: What is the input voltage range for LM4804LQX?
Answer: The input voltage range for LM4804LQX is typically between 2.7V and 5.5V.Question: Can LM4804LQX be used in battery-powered devices?
Answer: Yes, LM4804LQX can be used in battery-powered devices due to its low power consumption.Question: What is the efficiency of LM4804LQX?
Answer: LM4804LQX has a high efficiency rating, typically above 90%.Question: Can LM4804LQX drive both speakers and headphones?
Answer: Yes, LM4804LQX can drive both speakers and headphones, making it versatile for different applications.Question: Does LM4804LQX have built-in thermal protection?
Answer: Yes, LM4804LQX has built-in thermal protection to prevent overheating and ensure safe operation.Question: Is LM4804LQX compatible with different audio sources?
Answer: Yes, LM4804LQX is compatible with various audio sources such as smartphones, tablets, and MP3 players.Question: Can LM4804LQX be used in automotive applications?
Answer: Yes, LM4804LQX can be used in automotive applications due to its wide operating voltage range.Question: What are the typical applications of LM4804LQX?
Answer: LM4804LQX is commonly used in portable audio devices, gaming consoles, multimedia systems, and other audio-related technical solutions.
Please note that these answers are general and may vary depending on specific product specifications and requirements.