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LM4849MHX/NOPB
Product Overview
Category
LM4849MHX/NOPB belongs to the category of audio amplifiers.
Use
It is used for amplifying audio signals in various electronic devices such as smartphones, tablets, and portable media players.
Characteristics
- High-quality audio amplification
- Low power consumption
- Small form factor
- Integrated volume control
Package
The LM4849MHX/NOPB comes in a small outline package (SOP) with a specified footprint and pin configuration.
Essence
The essence of LM4849MHX/NOPB lies in its ability to provide high-fidelity audio amplification in a compact and efficient manner.
Packaging/Quantity
The LM4849MHX/NOPB is typically packaged in reels and available in quantities suitable for mass production.
Specifications
- Power Supply Range: 2.7V to 5.5V
- Output Power: 1.1W per channel into 8Ω at 5V
- Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 1.2W, 8Ω
- Shutdown Current: 0.01μA (typical)
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The LM4849MHX/NOPB has a total of 20 pins, including power supply pins, input and output pins, and control pins. The detailed pin configuration can be found in the product datasheet.
Functional Features
- Integrated volume control
- Thermal shutdown protection
- Short-circuit and overvoltage protection
- Low quiescent current
Advantages and Disadvantages
Advantages
- High-quality audio amplification
- Low power consumption
- Integrated volume control for simplified design
- Protection features for enhanced reliability
Disadvantages
- Limited output power compared to higher wattage amplifiers
- May require additional circuitry for specific applications
Working Principles
The LM4849MHX/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. The integrated volume control allows for easy adjustment of the output audio level. The protection features ensure safe operation and prevent damage to the device and connected speakers.
Detailed Application Field Plans
The LM4849MHX/NOPB is well-suited for use in portable electronic devices such as smartphones, tablets, and portable media players. Its low power consumption and small form factor make it ideal for battery-powered applications where space and energy efficiency are crucial.
Detailed and Complete Alternative Models
- LM4863: Higher output power audio amplifier
- LM4880: Stereo audio amplifier with differential inputs
- LM4950: Class D audio power amplifier with integrated boost converter
In conclusion, the LM4849MHX/NOPB is a versatile audio amplifier designed for compact and energy-efficient applications, offering high-quality audio amplification and integrated volume control. Its functional features and protection mechanisms make it a reliable choice for various portable electronic devices.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4849MHX/NOPB v technických řešeních
What is the maximum power output of LM4849MHX/NOPB?
- The maximum power output of LM4849MHX/NOPB is 1.2W per channel into 8Ω loads.
What is the input voltage range for LM4849MHX/NOPB?
- The input voltage range for LM4849MHX/NOPB is 2.7V to 5.5V.
Can LM4849MHX/NOPB be used in portable devices?
- Yes, LM4849MHX/NOPB is suitable for use in portable devices due to its low power consumption and small footprint.
Does LM4849MHX/NOPB require external components for operation?
- LM4849MHX/NOPB requires minimal external components for operation, making it suitable for compact designs.
What is the typical efficiency of LM4849MHX/NOPB?
- The typical efficiency of LM4849MHX/NOPB is around 85% at 1W output power.
Is LM4849MHX/NOPB suitable for driving headphones?
- Yes, LM4849MHX/NOPB can drive stereo headphones with its integrated headphone amplifier.
What is the thermal shutdown temperature of LM4849MHX/NOPB?
- The thermal shutdown temperature of LM4849MHX/NOPB is typically 150°C.
Can LM4849MHX/NOPB operate from a single supply?
- Yes, LM4849MHX/NOPB can operate from a single supply, simplifying its application in various systems.
What is the total harmonic distortion (THD) of LM4849MHX/NOPB?
- The THD of LM4849MHX/NOPB is typically 0.1% at 1kHz and 10% of the rated output power.
Is LM4849MHX/NOPB suitable for battery-powered applications?
- Yes, LM4849MHX/NOPB is well-suited for battery-powered applications due to its low power consumption and wide input voltage range.