사양
| 속성 | 가치 |
| Package / Case | Tube |
| Series | Overture™ |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Powerx Channels @ Load | 68W x 1 @ 4Ohm |
| Voltage - Supply | 20V ~ 84V, ±10V ~ 42V |
| Features | Mute, Short-Circuit and Thermal Protection |
| Mounting Type | Through Hole |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Supplier Device Package | TO-220-11 Isolated |
개요
Description
The LM3886TF/NOPB is a high-performance audio power amplifier chip produced by Texas Instruments, designed for driving audio loads with high fidelity. It is capable of delivering continuous output power of 68W into a 4Ω load and 38W into an 8Ω load, with minimal distortion, making it suitable for home theater systems, high-quality audio equipment, and other audio applications. The "TF" in the part number indicates that it comes in a TO-220 package with an isolated tab, which helps in thermal management and simplifies mounting by eliminating the need for an insulating mica washer.
Key features of the LM3886TF include a wide supply voltage range, low total harmonic distortion (THD), high signal-to-noise ratio (SNR), and advanced protection mechanisms like output short-circuit protection, thermal shutdown, and overvoltage protection. The "NOPB" denotes that the component is RoHS compliant, meaning it is free from lead and other hazardous substances. Its robust design and reliable performance make it a popular choice among audio enthusiasts and professionals for delivering crisp and clear sound.
Key features of the LM3886TF include a wide supply voltage range, low total harmonic distortion (THD), high signal-to-noise ratio (SNR), and advanced protection mechanisms like output short-circuit protection, thermal shutdown, and overvoltage protection. The "NOPB" denotes that the component is RoHS compliant, meaning it is free from lead and other hazardous substances. Its robust design and reliable performance make it a popular choice among audio enthusiasts and professionals for delivering crisp and clear sound.
Equivalent
The LM3886TF/NOPB is a high-performance audio power amplifier. Equivalent products include:
1. TDA7294: A high-power amplifier from STMicroelectronics.
2. LME49810: A high-fidelity audio power amplifier driver.
3. TDA2050: An older, lower-powered alternative.
4. STA540: A class AB audio amplifier.
These alternatives may have different specifications, so it's important to compare features like power output, distortion, and voltage requirements for compatibility with your application.
1. TDA7294: A high-power amplifier from STMicroelectronics.
2. LME49810: A high-fidelity audio power amplifier driver.
3. TDA2050: An older, lower-powered alternative.
4. STA540: A class AB audio amplifier.
These alternatives may have different specifications, so it's important to compare features like power output, distortion, and voltage requirements for compatibility with your application.
Features
The LM3886TF/NOPB is a high-performance audio power amplifier designed for delivering quality sound in a variety of audio applications. Key features include:
1. High Output Power: Capable of delivering continuous output power up to 68W into a 4Ω or 8Ω load with low distortion.
2. Low Distortion: Provides low total harmonic distortion plus noise (THD+N) for clear audio reproduction.
3. Wide Supply Range: Operates over a wide supply voltage range, from ±20V to ±94V, making it versatile for different power supply configurations.
4. Overload Protection: Includes protection features such as overvoltage, undervoltage, thermal shutdown, and current limiting to ensure reliable operation.
5. Mute Function: Built-in mute function to reduce noise during power on/off sequences.
6. Minimal External Components: Simplifies circuit design with minimal external components required.
7. Thermal Performance: Available in a TO-220 package with an insulated tab (TF) for improved thermal performance.
These features make the LM3886TF/NOPB a popular choice for high-fidelity audio systems, such as home theater systems, powered speakers, and stereo amplifiers.
1. High Output Power: Capable of delivering continuous output power up to 68W into a 4Ω or 8Ω load with low distortion.
2. Low Distortion: Provides low total harmonic distortion plus noise (THD+N) for clear audio reproduction.
3. Wide Supply Range: Operates over a wide supply voltage range, from ±20V to ±94V, making it versatile for different power supply configurations.
4. Overload Protection: Includes protection features such as overvoltage, undervoltage, thermal shutdown, and current limiting to ensure reliable operation.
5. Mute Function: Built-in mute function to reduce noise during power on/off sequences.
6. Minimal External Components: Simplifies circuit design with minimal external components required.
7. Thermal Performance: Available in a TO-220 package with an insulated tab (TF) for improved thermal performance.
These features make the LM3886TF/NOPB a popular choice for high-fidelity audio systems, such as home theater systems, powered speakers, and stereo amplifiers.
Pinout
The LM3886TF/NOPB is a high-performance audio power amplifier IC designed by Texas Instruments. It comes in a TO-220 package with 11 pins. Here's a brief overview of its pin functions:
1. Non-Inverting Input (+IN): Connects to the positive side of the audio input signal.
2. Inverting Input (-IN): Connects to the negative side of the audio input signal or feedback network.
3. Mute: Used to mute the audio output. Applying the correct voltage here mutes the amplifier.
4. V+: Positive power supply voltage input.
5. Output (OUT): The output pin where the amplified audio signal is delivered.
6. V-: Negative power supply voltage input.
7. Supply Ground (PGND): Ground reference for power supply.
8. Signal Ground (SGND): Ground reference for input signals.
9. Bootstrap: Connects to a bootstrap capacitor for improving efficiency.
10. No Connection (NC): Not internally connected but should be isolated.
11. Standby: Used to put the device in a low-power standby mode.
The LM3886TF/NOPB provides high output power, low distortion, and protection features, making it suitable for high-fidelity audio applications.
1. Non-Inverting Input (+IN): Connects to the positive side of the audio input signal.
2. Inverting Input (-IN): Connects to the negative side of the audio input signal or feedback network.
3. Mute: Used to mute the audio output. Applying the correct voltage here mutes the amplifier.
4. V+: Positive power supply voltage input.
5. Output (OUT): The output pin where the amplified audio signal is delivered.
6. V-: Negative power supply voltage input.
7. Supply Ground (PGND): Ground reference for power supply.
8. Signal Ground (SGND): Ground reference for input signals.
9. Bootstrap: Connects to a bootstrap capacitor for improving efficiency.
10. No Connection (NC): Not internally connected but should be isolated.
11. Standby: Used to put the device in a low-power standby mode.
The LM3886TF/NOPB provides high output power, low distortion, and protection features, making it suitable for high-fidelity audio applications.
Manufacturer
The LM3886TF/NOPB is manufactured by Texas Instruments Incorporated. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. They sell these products to electronics designers and manufacturers globally. TI is known for its development of analog chips and embedded processors, which are used in a wide array of electronic devices and applications. The company is one of the major players in the semiconductor industry and is recognized for its innovation and contributions to the advancement of technology.
Application
The LM3886TF/NOPB is a high-performance audio power amplifier commonly used in several applications:
1. Home Audio Systems: Ideal for driving speakers in home stereo and theater systems due to its high-fidelity sound reproduction.
2. Professional Audio Equipment: Used in amplifiers for studio monitors and PA systems.
3. Musical Instrument Amplifiers: Suitable for guitar and keyboard amplifiers, providing clear and powerful sound.
4. Automotive Audio: Employed in car audio systems for robust sound performance.
5. DIY Audio Projects: Popular among hobbyists building custom audio amplifiers.
Its features, such as low distortion and wide supply range, make it versatile for various high-quality audio amplification needs.
1. Home Audio Systems: Ideal for driving speakers in home stereo and theater systems due to its high-fidelity sound reproduction.
2. Professional Audio Equipment: Used in amplifiers for studio monitors and PA systems.
3. Musical Instrument Amplifiers: Suitable for guitar and keyboard amplifiers, providing clear and powerful sound.
4. Automotive Audio: Employed in car audio systems for robust sound performance.
5. DIY Audio Projects: Popular among hobbyists building custom audio amplifiers.
Its features, such as low distortion and wide supply range, make it versatile for various high-quality audio amplification needs.
Package
The LM3886TF/NOPB is an audio power amplifier IC in a TO-220 package with a non-isolated tab. It utilizes a plastic package with a "TF" suffix, indicating a non-metallic tab for better thermal performance and electrical isolation.
