LM48861TM/NOPB
Compact stereo audio amplifiers for low-power headphone applications
Manufacturer： ['national-semiconductor', 'ti']
series introduction
# Introduction to the LM48861TM/NOPB Product Series
## 1. Overview
The LM48861TM/NOPB is a highly advanced and versatile product series that belongs to the realm of audio amplifier integrated circuits. Designed by Texas Instruments, this series is engineered to meet the demanding requirements of modern audio applications, offering high - performance audio amplification solutions with a focus on efficiency, quality, and ease of integration.
## 2. Key Features
### 2.1 High - Power Output
One of the standout features of the LM48861TM/NOPB series is its ability to deliver high - power audio output. It can drive speakers with significant power, making it suitable for applications where loud and clear audio is required. For example, in home audio systems, it can power large bookshelf speakers or small home theater setups, providing a rich and immersive audio experience.
### 2.2 Low Distortion
The series is designed to minimize audio distortion. With advanced circuit design and signal processing techniques, it ensures that the output audio closely matches the input signal. This low - distortion characteristic is crucial for high - fidelity audio reproduction, as it preserves the integrity of the original sound, whether it's music, voice, or other audio content.
### 2.3 Integrated Protection Circuits
To safeguard both the amplifier and the connected speakers, the LM48861TM/NOPB comes with integrated protection circuits. These circuits protect against over - current, over - temperature, and short - circuit conditions. In case of an abnormal situation, such as a short circuit in the speaker wiring, the protection circuits will quickly activate to prevent damage to the amplifier and the speakers, enhancing the reliability and longevity of the entire audio system.
### 2.4 Wide Supply Voltage Range
The product series supports a wide supply voltage range. This flexibility allows it to be used in various power supply configurations, making it adaptable to different application scenarios. Whether it's a battery - powered portable device or a mains - powered home audio system, the LM48861TM/NOPB can operate effectively within the specified voltage range.
### 2.5 Shutdown Mode
The LM48861TM/NOPB features a shutdown mode that significantly reduces power consumption when the amplifier is not in use. This is particularly useful in battery - powered applications, as it helps to extend the battery life. When the shutdown mode is activated, the amplifier draws minimal current, conserving energy without sacrificing performance when it is needed.
## 3. Applications
### 3.1 Home Audio Systems
In home audio setups, the LM48861TM/NOPB can be used as a power amplifier for stereo systems or multi - channel home theater systems. Its high - power output and low - distortion characteristics make it ideal for delivering high - quality audio to speakers, whether it's for listening to music, watching movies, or playing video games.
### 3.2 Portable Audio Devices
Although it can handle high - power applications, the series can also be used in portable audio devices. With its wide supply voltage range and shutdown mode, it can be integrated into battery - powered speakers, headphones amplifiers, or other portable audio gadgets. This allows users to enjoy high - quality audio on the go.
### 3.3 Automotive Audio Systems
The automotive environment places unique demands on audio amplifiers, including temperature variations, electrical noise, and limited space. The LM48861TM/NOPB's integrated protection circuits and ability to operate within a wide temperature range make it suitable for automotive audio systems. It can power the speakers in cars, trucks, and other vehicles, providing a pleasant in - car audio experience.
## 4. Package and Pin Configuration
The LM48861TM/NOPB is available in
Images for reference
12-WFBGA, DSBGA - TMD12AAA
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