LM3876T/NOPB Texas Instruments Integrated Circuit (Transistor Outline, Vertical) In Stock
Texas Instruments LM3876T/NOPB is a high-performance Class-AB audio power amplifier delivering 56W output power with 80dB SNR and 20kHz bandwidth. Features low distortion, mute function, and self-protection circuits. Available in 11-pin TO-220 package for home audio and hi-fi amplifier applications.
- Manufacturer
- Texas Instruments
- Package
- Transistor Outline, Vertical
- Pin Count
- 10
- Lifecycle
- OBSOLETE
- Datasheet
- LM3876T/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -20.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 56W continuous average output power with low harmonic distortion
- 80dB signal-to-noise ratio for high-fidelity audio reproduction
- Integrated self-protection circuits including thermal shutdown and overvoltage protection
- Mute function for smooth audio switching without pops or clicks
- Wide supply voltage range: 24V to 84V supporting diverse amplifier designs
- 11-pin TO-220 package for easy heatsink mounting in power audio designs
Applications
The LM3876T/NOPB is ideal for home hi-fi stereo amplifiers and high-power audio systems requiring clean, efficient amplification. It is widely used in consumer audio equipment such as AV receivers, powered speakers, and integrated amplifiers. The device also suits automotive and professional audio applications where robust thermal management and high output fidelity are critical.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | OPERATES WITH 24V TO 84 SUPPLY |
| Bandwidth-Nom | 20kHz |
| Consumer IC Type | AUDIO AMPLIFIER |
| JESD-30 Code | R-PZIP-T11 |
| JESD-609 Code | e3 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Output Power-Nom | 56W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | ZIP11,.2,.17,67TB |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Qualification Status | Not Qualified |
| Supply Current-Max | 70mA |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | OTHER |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 1.7mm |
| Terminal Position | ZIG-ZAG |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3876T/NOPB:
Amplifier, 56W, 1 Channel(s), 1 Func, Bipolar, PZFM11
Frequently Asked Questions
What is the output power of the LM3876T/NOPB?
The LM3876T/NOPB delivers 56W continuous average output power into an 8-ohm load with a dual supply voltage of ±28V, making it suitable for high-fidelity home audio amplifier designs.
What supply voltage range does the LM3876T/NOPB support?
The LM3876T/NOPB operates with a supply voltage range of 24V to 84V (±12V to ±42V split supply), providing flexibility for a wide variety of audio amplifier circuit designs and power requirements.
What protection features are built into the LM3876T/NOPB?
The LM3876T/NOPB includes integrated self-protection circuits such as thermal shutdown, output current limiting, and overvoltage protection, ensuring reliable long-term operation in demanding audio amplifier applications.
What package does the LM3876T/NOPB use and how is it mounted?
The LM3876T/NOPB comes in an 11-pin TO-220 (vertical transistor outline) package, which is designed for easy heatsink mounting to dissipate the heat generated during high-power audio amplification.
Is the LM3876T/NOPB a Class-AB or Class-B amplifier?
The LM3876T/NOPB is a Class-AB audio power amplifier. Despite some datasheets referencing Class-B, it operates in Class-AB mode to balance efficiency and low distortion, delivering up to 80dB signal-to-noise ratio across a 20kHz audio bandwidth.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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