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LM49350RL/NOPB
Product Overview
Category
LM49350RL/NOPB belongs to the category of audio amplifiers.
Use
It is primarily used for audio signal amplification in various electronic devices.
Characteristics
- High-quality audio amplification
- Low power consumption
- Compact size
- Wide operating voltage range
Package
LM49350RL/NOPB is available in a small outline package (SOP) format.
Essence
The essence of LM49350RL/NOPB lies in its ability to provide efficient and high-quality audio amplification in a compact form factor.
Packaging/Quantity
This product is typically packaged in reels, with a quantity of 2500 units per reel.
Specifications
- Operating Voltage Range: 2.7V to 5.5V
- Output Power: Up to 1.2W per channel
- Total Harmonic Distortion + Noise (THD+N): <0.1%
- Signal-to-Noise Ratio (SNR): >90dB
- Shutdown Current: <1µA
Detailed Pin Configuration
The LM49350RL/NOPB has the following pin configuration:
- VDD: Power supply input
- GND: Ground reference
- SD: Shutdown control input
- INL: Left channel audio input
- INR: Right channel audio input
- OUTL: Left channel audio output
- OUTR: Right channel audio output
Functional Features
- Dual-channel audio amplification
- Integrated shutdown control
- Low-power consumption in shutdown mode
- Thermal and short-circuit protection
Advantages and Disadvantages
Advantages
- High-quality audio amplification
- Low power consumption
- Compact size
- Wide operating voltage range
- Integrated shutdown control for power saving
Disadvantages
- Limited output power compared to higher wattage amplifiers
- May require additional components for specific applications
Working Principles
LM49350RL/NOPB operates by receiving audio signals through the INL and INR pins. These signals are then amplified and delivered to the respective OUTL and OUTR pins. The integrated shutdown control allows for power-saving when the amplifier is not in use.
Detailed Application Field Plans
The LM49350RL/NOPB can be used in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Tablets - Laptops - Bluetooth speakers
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to LM49350RL/NOPB include: - LM4863 - TPA3116D2 - MAX9744
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 LM49350RL/NOPB v technických řešeních
Q: What is the maximum output power of LM49350RL/NOPB? A: The LM49350RL/NOPB has a maximum output power of 2.8W into 4Ω at 5V.
Q: What are the input voltage requirements for LM49350RL/NOPB? A: The input voltage range for LM49350RL/NOPB is 2.7V to 5.5V.
Q: Can LM49350RL/NOPB be used in portable audio applications? A: Yes, LM49350RL/NOPB is suitable for portable audio applications due to its low power consumption and small footprint.
Q: Does LM49350RL/NOPB have built-in thermal protection? A: Yes, LM49350RL/NOPB features built-in thermal shutdown and overcurrent protection.
Q: What is the typical efficiency of LM49350RL/NOPB? A: The typical efficiency of LM49350RL/NOPB is around 85% at 1W output power.
Q: Can LM49350RL/NOPB be used in stereo speaker configurations? A: Yes, LM49350RL/NOPB supports stereo speaker configurations with its dual bridge-tied load (BTL) outputs.
Q: What is the quiescent current of LM49350RL/NOPB? A: The quiescent current of LM49350RL/NOPB is typically 4.5mA at 5V supply voltage.
Q: Is LM49350RL/NOPB compatible with common audio interfaces like I2C or SPI? A: No, LM49350RL/NOPB does not have integrated I2C or SPI control interfaces.
Q: Can LM49350RL/NOPB operate from a single supply voltage? A: Yes, LM49350RL/NOPB can operate from a single supply voltage, making it suitable for battery-powered applications.
Q: What package options are available for LM49350RL/NOPB? A: LM49350RL/NOPB is available in a 24-pin WQFN package.