LM4873MTEX/NOPB
Product Overview
Category
LM4873MTEX/NOPB belongs to the category of audio power amplifiers.
Use
It is used to amplify audio signals in various electronic devices such as mobile phones, tablets, and portable speakers.
Characteristics
- High efficiency
- Low distortion
- Small package size
- Low quiescent current
Package
The LM4873MTEX/NOPB comes in a small outline integrated circuit (SOIC) package.
Essence
The essence of LM4873MTEX/NOPB lies in its ability to provide high-quality audio amplification in a compact form factor.
Packaging/Quantity
The LM4873MTEX/NOPB is typically packaged in reels containing 2500 units.
Specifications
- Power Supply Range: 2.7V to 5.5V
- Output Power: 1.1W at 5V, 10% THD+N, 8Ω Load
- Shutdown Current: 0.6μA (Typical)
- Quiescent Current: 4mA (Typical)
Detailed Pin Configuration
The LM4873MTEX/NOPB has a standard 8-pin SOIC package with the following pin configuration: 1. VDD (Power supply) 2. SHDN (Shutdown control) 3. GND (Ground) 4. IN- (Negative audio input) 5. IN+ (Positive audio input) 6. BP (Bypass capacitor connection) 7. OUT (Audio output) 8. VSS (Ground)
Functional Features
- Low shutdown current
- Thermal shutdown protection
- Short-circuit and thermal overload protection
- Unity-gain stable
Advantages and Disadvantages
Advantages
- Small package size
- Low quiescent current
- High efficiency
Disadvantages
- Limited output power compared to larger amplifiers
- Requires external components for full functionality
Working Principles
The LM4873MTEX/NOPB operates by amplifying the input audio signal using an internal amplifier circuit and then delivering the amplified signal to the output.
Detailed Application Field Plans
The LM4873MTEX/NOPB is suitable for use in various portable electronic devices, including: - Mobile phones - Tablets - Portable speakers - Handheld gaming devices
Detailed and Complete Alternative Models
Some alternative models to LM4873MTEX/NOPB include: - LM4863 - LM4880 - LM4890 - TPA2012
In conclusion, the LM4873MTEX/NOPB is a compact and efficient audio power amplifier suitable for portable electronic devices, offering high-quality audio amplification within a small form factor.
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Question: What is the maximum power output of LM4873MTEX/NOPB?
Answer: The maximum power output of LM4873MTEX/NOPB is 1.1W per channel into an 8Ω load.Question: What is the supply voltage range for LM4873MTEX/NOPB?
Answer: The supply voltage range for LM4873MTEX/NOPB is 2.7V to 5.5V.Question: Can LM4873MTEX/NOPB be used in portable audio applications?
Answer: Yes, LM4873MTEX/NOPB is suitable for portable audio applications due to its low supply voltage and small package size.Question: Does LM4873MTEX/NOPB require external compensation?
Answer: No, LM4873MTEX/NOPB does not require external compensation, which simplifies design and reduces component count.Question: What is the typical quiescent current of LM4873MTEX/NOPB?
Answer: The typical quiescent current of LM4873MTEX/NOPB is 4mA.Question: Is LM4873MTEX/NOPB suitable for driving headphones?
Answer: Yes, LM4873MTEX/NOPB can drive headphones with its low output impedance and high PSRR.Question: Can LM4873MTEX/NOPB operate in a bridge-tied load configuration?
Answer: Yes, LM4873MTEX/NOPB can operate in a bridge-tied load configuration to increase output power.Question: What is the shutdown current of LM4873MTEX/NOPB?
Answer: The shutdown current of LM4873MTEX/NOPB is typically 0.6μA.Question: Does LM4873MTEX/NOPB have built-in thermal shutdown protection?
Answer: Yes, LM4873MTEX/NOPB has built-in thermal shutdown protection to prevent overheating.Question: What is the recommended application circuit for LM4873MTEX/NOPB?
Answer: The recommended application circuit for LM4873MTEX/NOPB includes input coupling capacitors, feedback resistors, and output decoupling capacitors for stability and performance.