Overview
The LM3886T/NOPB is a high-performance audio power amplifier designed by Texas Instruments. This amplifier is renowned for its exceptional audio fidelity, low distortion, and robust output capabilities. It is ideal for various audio applications, including component stereo systems, compact stereo systems, self-powered speakers, surround-sound amplifiers, and high-end stereo TVs. The LM3886T/NOPB offers a wide supply voltage range, making it adaptable to different power sources, and it features minimal external components for easy integration into audio projects.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Audio input type | Analog Input | Architecture | Class-AB |
| Speaker channels (max) | Mono | Rating | Catalog |
| Power stage supply (max) (V) | 94 | Power stage supply (min) (V) | 20 |
| Load (min) (Ω) | 4 | Output power (W) | 68 |
| SNR (dB) | 110 | THD + N at 1 kHz (%) | 0.03 |
| Iq (typ) (mA) | 50 | Control interface | Hardware |
| Closed/open loop | Open | Analog supply (min) (V) | 20 |
| Analog supply voltage (max) (V) | 84 | PSRR (dB) | 120 |
| Operating temperature range (°C) | 0 to 70 |
Key Features
- Minimal external components: Easy integration into audio projects with minimal additional components required.
- Wide supply voltage range: Operates from ±20V to ±84V, making it adaptable to various power sources.
- Low distortion: THD+N of 0.03% at the rated output, ensuring high-quality audio reproduction.
- High output power: Capable of delivering 68W into a 4Ω load and 38W into an 8Ω load.
- Signal-to-Noise Ratio (SNR): Greater than 92dB with a typical low noise floor of 2.0µV.
- Internal ESR Compensation: For low output impedance.
- Soft Shutdown Function: Controlled power turn-off.
- Pulse-Free Output: Enables direct connection to loads.
- Output Protection: Internal current limiting circuitry and over-voltage protection.
- Supply Under-Voltage Protection: Prevents turn-on and turn-off transients.
Applications
The LM3886T/NOPB is versatile and suitable for various audio applications, including:
- Component stereo systems
- Compact stereo systems
- Self-powered speakers
- Surround-sound amplifiers
- High-end stereo TVs
Q & A
- Q: What is the operating temperature range of the LM3886T/NOPB?
A: The operating temperature range of the LM3886T/NOPB is from 0°C to 70°C.
- Q: What is the maximum output power of the LM3886T/NOPB?
A: The LM3886T/NOPB can deliver up to 68W of continuous average power into a 4Ω load and 38W into an 8Ω load.
- Q: What is the signal-to-noise ratio (SNR) of the LM3886T/NOPB?
A: The SNR of the LM3886T/NOPB is greater than 92dB with a typical low noise floor of 2.0µV.
- Q: Does the LM3886T/NOPB have built-in protection features?
A: Yes, it includes output protection from shorts to ground or the supplies, over-voltage protection, and supply under-voltage protection.
- Q: What is the package type of the LM3886T/NOPB?
A: The LM3886T/NOPB comes in an 11-pin TO-220 package.
- Q: What is the warranty period for the LM3886T/NOPB from Ovaga?
A: Ovaga offers a 1-year warranty on the LM3886T/NOPB, covering any defects in materials and workmanship under normal use.
- Q: How does Ovaga ensure the authenticity of the LM3886T/NOPB?
A: Ovaga rigorously tests and verifies the credentials of original Texas Instruments manufacturers and authorized agents to ensure authenticity.
- Q: Where can I find detailed information about the LM3886T/NOPB?
A: You can find detailed information on the Texas Instruments website, Ovaga's platform, or through their intelligent search engine.
- Q: Are the price and stock information for the LM3886T/NOPB accurate on Ovaga's platform?
A: Inventory levels and prices may fluctuate and are refreshed periodically. It is recommended to confirm with an Ovaga salesperson or customer service representative before proceeding with payment.
- Q: What are some alternative chips to the LM3886T/NOPB?
A: While there may not be exact equivalents, similar chips from Texas Instruments or other manufacturers like Analog Devices (e.g., AD8272 or LT152) can offer comparable performance.
