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LM3886T/NOPB
+StücklisteLM3886 68W, 1 CH, 20-94V SUPPLY
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HerstellerNational Semiconductor
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Herstellerteil #LM3886T/NOPB
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Datenblatt LM3886T/NOPB DataSheet
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Paket TO-220-11
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Auf Lager2674
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Bulk |
| 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 |
Übersicht
Description
Featuring a wide supply voltage range and a high slew rate, the LM3886T/NOPB ensures efficient and dynamic audio output. It includes built-in protection features such as over-voltage, under-voltage, over-temperature, and output short protection, enhancing the reliability and durability of the device.
The "T" in its designation refers to its TO-220 package type, which aids in heat dissipation, while "NOPB" stands for "No Pb," indicating that it is lead-free and RoHS compliant. This makes the LM3886T/NOPB suitable for environmentally-conscious designs. Overall, the LM3886T/NOPB is a versatile and robust choice for audio amplifier applications in consumer electronics.
Equivalent
1. LM3875T - Another National Semiconductor audio power amplifier chip.
2. TDA7294 - A similar power amplifier from STMicroelectronics.
3. TDA2030 - A lower-power alternative from STMicroelectronics.
4. OPA541 - A Burr-Brown (TI) power amplifier with similar applications.
These alternatives might have different specifications, so reviewing datasheets for compatibility is crucial.
Features
1. Output Power: Delivers continuous output power of 68W into a 4Ω load and 38W into an 8Ω load with low distortion.
2. THD+N: Provides low Total Harmonic Distortion plus Noise (THD+N) of 0.03% at rated output.
3. Mute Function: Includes a mute feature to reduce noise during power up and down.
4. Protection Mechanisms: Equipped with protection features like overvoltage, undervoltage, overload, and thermal shutdown to ensure reliability.
5. Thermal Protection: Features a sophisticated thermal protection scheme to prevent overheating.
6. Wide Supply Voltage Range: Operates within a wide supply voltage range of ±20V to ±42V.
7. Signal-to-Noise Ratio (SNR): Provides a high SNR of 92dB, delivering clean audio output.
8. Current Limit: Includes a current limiting feature to prevent damage under short-circuit conditions.
This amplifier is suitable for high-fidelity audio applications, including home audio systems and professional audio equipment.
Pinout
Here's a concise overview of the pin functions:
1. V+: Positive supply voltage.
2. OUT: Output for audio signal.
3. V-: Negative supply voltage.
4. Mute: Mute function control.
5. Vin-: Inverting input for the audio signal.
6. Vin+: Non-inverting input for the audio signal.
7. V+ Sense: Positive power supply sensing.
8. V- Sense: Negative power supply sensing.
9. N.C.: No connection.
10. Bootstrap: Bootstrap capacitor connection.
11. Mute Sense: Mute status sensing.
The LM3886T delivers approximately 68W continuous average output power into a 4Ω load with less than 0.1% THD+N. It's designed for high-fidelity audio applications and includes features such as mute control and protection against overvoltage, undervoltage, overloads, and thermal shutdown.
Manufacturer
Application
1. Home Audio Systems: Provides high-quality sound for home stereo systems and home theater setups.
2. Professional Audio Equipment: Utilized in studio monitors and professional amplifiers for clear audio reproduction.
3. Musical Instrument Amplifiers: Enhances sound output for electric guitars and keyboards.
4. DIY Audio Projects: Popular among hobbyists for building custom amplifiers.
5. Automotive Audio Systems: Used in car amplifiers for superior sound quality.
Its wide power supply range, low distortion, and high output power make it versatile for high-fidelity audio applications.