仕様
| 属性 | 値 |
| Package / Case | Tube |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Powerx Channels @ Load | 25W x 1 @ 8Ohm |
| Voltage - Supply | 16V ~ 60V, ±8V ~ 30V |
| Features | Short-Circuit and Thermal Protection |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Supplier Device Package | TO-220-5 |
概要
Description
The LM1875T/NOPB is a monolithic power amplifier IC designed for audio amplification applications. It delivers up to 20 watts of output power with low distortion and high-quality sound, making it suitable for use in home audio systems, powered speakers, and other audio equipment. This IC operates over a wide voltage range and features a wide bandwidth, ensuring excellent audio fidelity and performance.
The LM1875T/NOPB includes built-in protection features such as thermal overload protection and short-circuit protection, enhancing its reliability and durability in various operational conditions. It comes in a five-lead TO-220 package, which facilitates efficient heat dissipation through a heat sink, essential for maintaining optimal performance.
Key characteristics include a high signal-to-noise ratio and low harmonic distortion, which contribute to clean sound output. Its simplicity in design allows for easy implementation, making it a popular choice for both hobbyists and professionals in audio electronics. Overall, the LM1875T/NOPB is valued for its robustness, sound quality, and ease of use in audio amplification projects.
The LM1875T/NOPB includes built-in protection features such as thermal overload protection and short-circuit protection, enhancing its reliability and durability in various operational conditions. It comes in a five-lead TO-220 package, which facilitates efficient heat dissipation through a heat sink, essential for maintaining optimal performance.
Key characteristics include a high signal-to-noise ratio and low harmonic distortion, which contribute to clean sound output. Its simplicity in design allows for easy implementation, making it a popular choice for both hobbyists and professionals in audio electronics. Overall, the LM1875T/NOPB is valued for its robustness, sound quality, and ease of use in audio amplification projects.
Equivalent
The LM1875T/NOPB is a popular audio amplifier IC. Equivalent products include the TDA2030 and TDA2050, which offer similar power output and features. These ICs are often used in audio applications and can serve as substitutes with slight variations in performance and pin configuration. Always check the specific datasheets for compatibility and performance differences when substituting components.
Features
The LM1875T/NOPB is a high-performance audio power amplifier with several notable features:
1. Output Power: Capable of delivering up to 20 watts of continuous output power into a 4 or 8-ohm load, making it suitable for driving speakers in various audio applications.
2. Low Distortion: Offers low total harmonic distortion plus noise (THD+N), ensuring high-fidelity audio reproduction.
3. Wide Supply Voltage Range: Operates with a wide supply voltage range from ±16V to ±60V, providing flexibility in power supply design.
4. Thermal Protection: Includes built-in thermal protection circuitry to prevent damage from overheating, enhancing reliability.
5. Overload Protection: Features current limiting and short-circuit protection to safeguard the device and connected components from damage.
6. Low Noise: Designed to have low noise output, reducing unwanted audio interference.
7. Compact Package: Available in a 5-pin TO-220 package, making it easy to incorporate into various circuit designs.
8. High Slew Rate: Provides a high slew rate, enabling quick response to changes in input signal.
These features make the LM1875T/NOPB ideal for high-quality audio amplification in both professional and consumer electronics.
1. Output Power: Capable of delivering up to 20 watts of continuous output power into a 4 or 8-ohm load, making it suitable for driving speakers in various audio applications.
2. Low Distortion: Offers low total harmonic distortion plus noise (THD+N), ensuring high-fidelity audio reproduction.
3. Wide Supply Voltage Range: Operates with a wide supply voltage range from ±16V to ±60V, providing flexibility in power supply design.
4. Thermal Protection: Includes built-in thermal protection circuitry to prevent damage from overheating, enhancing reliability.
5. Overload Protection: Features current limiting and short-circuit protection to safeguard the device and connected components from damage.
6. Low Noise: Designed to have low noise output, reducing unwanted audio interference.
7. Compact Package: Available in a 5-pin TO-220 package, making it easy to incorporate into various circuit designs.
8. High Slew Rate: Provides a high slew rate, enabling quick response to changes in input signal.
These features make the LM1875T/NOPB ideal for high-quality audio amplification in both professional and consumer electronics.
Pinout
The LM1875T/NOPB is a power audio amplifier IC that comes in a TO-220 package with 5 pins. Here are the pin functions:
1. Input: This is the non-inverting input where the audio signal is fed into the amplifier.
2. Negative Voltage Supply (V- or VCC-): This pin is connected to the negative voltage supply.
3. Output: The amplified audio signal is available at this pin. It connects to the speaker or load.
4. Ground (GND): This is the common ground pin for both the input and output stages.
5. Positive Voltage Supply (V+ or VCC+): This pin is connected to the positive voltage supply.
The LM1875 is designed for audio amplification applications and provides a high-quality, low-distortion output with a maximum output power of around 20-30 watts, depending on the supply voltage and load impedance.
1. Input: This is the non-inverting input where the audio signal is fed into the amplifier.
2. Negative Voltage Supply (V- or VCC-): This pin is connected to the negative voltage supply.
3. Output: The amplified audio signal is available at this pin. It connects to the speaker or load.
4. Ground (GND): This is the common ground pin for both the input and output stages.
5. Positive Voltage Supply (V+ or VCC+): This pin is connected to the positive voltage supply.
The LM1875 is designed for audio amplification applications and provides a high-quality, low-distortion output with a maximum output power of around 20-30 watts, depending on the supply voltage and load impedance.
Manufacturer
The LM1875T/NOPB is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide range of electronic applications. TI is one of the largest semiconductor companies in the world and is known for its innovation in the field of analog technology and embedded processing. The company serves diverse industries, including automotive, industrial, consumer electronics, and communications equipment. TI's focus is on developing products that enhance performance and efficiency in electronic systems, making them a crucial player in the electronics supply chain.
Application
The LM1875T/NOPB is a monolithic power amplifier ideal for audio applications. It is commonly used in:
1. Home Audio Systems: Enhances audio quality in stereo systems and hi-fi equipment.
2. TV and Radio Sound Amplification: Provides clear and powerful sound in televisions and radios.
3. Portable Speaker Systems: Drives speakers in portable and compact audio devices.
4. Musical Instrument Amplifiers: Used in amplifying electric guitars and other instruments.
5. DIY Audio Projects: Popular among hobbyists for custom audio amplifier projects.
It provides high fidelity output and low distortion, making it suitable for high-quality sound reproduction in various audio amplification applications.
1. Home Audio Systems: Enhances audio quality in stereo systems and hi-fi equipment.
2. TV and Radio Sound Amplification: Provides clear and powerful sound in televisions and radios.
3. Portable Speaker Systems: Drives speakers in portable and compact audio devices.
4. Musical Instrument Amplifiers: Used in amplifying electric guitars and other instruments.
5. DIY Audio Projects: Popular among hobbyists for custom audio amplifier projects.
It provides high fidelity output and low distortion, making it suitable for high-quality sound reproduction in various audio amplification applications.
Package
The LM1875T/NOPB is an audio power amplifier IC typically provided in a TO-220 package. This package type features a five-pin configuration and is commonly used for power applications due to its ability to dissipate heat effectively.
