LM4866MTEX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High power audio amplifier - Mono channel - Low distortion and noise - Wide supply voltage range - Small package size - Easy to integrate into various audio systems

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The LM4866MTEX/NOPB is a high-performance audio amplifier IC designed for applications requiring high power output with low distortion and noise.

Packaging/Quantity: The LM4866MTEX/NOPB is available in a TSSOP package. It is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V - 5.5V
• Output Power: Up to 1.1W
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
• Efficiency: 85% (typical)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4866MTEX/NOPB has a total of 20 pins. The pin configuration is as follows:

Pin 1: VDD Pin 2: IN- Pin 3: IN+ Pin 4: SHUTDOWN Pin 5: GND Pin 6: BYPASS Pin 7: VDD Pin 8: OUT Pin 9: GND Pin 10: GND Pin 11: GND Pin 12: GND Pin 13: GND Pin 14: GND Pin 15: GND Pin 16: GND Pin 17: GND Pin 18: GND Pin 19: GND Pin 20: VDD

Functional Features

• High power output for driving speakers
• Low distortion and noise for high-quality audio reproduction
• Wide supply voltage range allows flexibility in power source selection
• Shutdown mode for power-saving when not in use
• Bypass pin for direct input connection without amplification
• Small package size enables space-efficient integration into various audio systems

Advantages and Disadvantages

Advantages: - High power output capability - Low distortion and noise for high-quality audio - Wide supply voltage range for flexibility - Power-saving shutdown mode - Small package size for space efficiency

Disadvantages: - Mono channel only, not suitable for stereo applications - Limited output power compared to some other audio amplifier ICs

Working Principles

The LM4866MTEX/NOPB is a class AB audio amplifier that operates by amplifying the input audio signal using a combination of transistors and feedback circuitry. It utilizes a bridge-tied load (BTL) configuration to achieve higher power output with low distortion and noise.

When an audio signal is applied to the input pins (IN+ and IN-), the LM4866MTEX/NOPB amplifies it and delivers the amplified signal to the output pin (OUT). The gain and characteristics of the amplifier can be adjusted using external components connected to the appropriate pins.

Detailed Application Field Plans

The LM4866MTEX/NOPB is commonly used in various audio applications, including:

1. Portable audio devices such as MP3 players, smartphones, and tablets.
2. Personal computers and laptops for improved audio quality.
3. Home audio systems and mini Hi-Fi systems.
4. Automotive audio systems for enhanced sound reproduction.
5. Multimedia speakers and soundbars.

Detailed and Complete Alternative Models

1. LM4866MTE/NOPB: Similar to LM4866MTEX/NOPB, but available in a different package (TSSOP).
2. LM4866MT/NOPB: Similar to LM4866MTEX/NOPB, but without the extended temperature range (-40°C to +85°C).
3. LM4866M/NOPB: Similar to LM4866MTEX/NOPB, but without the extended temperature range and available in a different package (TSSOP).

These alternative models offer similar functionality and characteristics, providing options based on specific requirements and preferences.

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