LM4674TLX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low power consumption - Small form factor - Wide voltage range operation

Package: TLX package

Essence: The LM4674TLX/NOPB is a high-performance audio amplifier IC designed for various audio applications. It offers low power consumption and operates over a wide voltage range, making it suitable for portable devices and other space-constrained applications.

Packaging/Quantity: The LM4674TLX/NOPB is available in a TLX package and is typically sold in reels or tubes.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.2W
• Total Harmonic Distortion + Noise (THD+N): 0.03%
• Shutdown Current: 0.01μA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4674TLX/NOPB has the following pin configuration:

Pin 1: VDD Pin 2: GND Pin 3: SD (Shutdown) Pin 4: INL- (Left Channel Negative Input) Pin 5: INL+ (Left Channel Positive Input) Pin 6: BYP (Bypass Capacitor) Pin 7: OUTL (Left Channel Output) Pin 8: INR- (Right Channel Negative Input) Pin 9: INR+ (Right Channel Positive Input) Pin 10: OUTR (Right Channel Output)

Functional Features

• Single-ended or differential input mode
• Adjustable gain settings
• Pop and click suppression circuitry
• Thermal shutdown protection
• Short-circuit and over-temperature protection

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low power consumption - Small form factor for space-constrained applications - Wide voltage range operation

Disadvantages: - Limited output power compared to higher wattage amplifiers - May require additional external components for optimal performance

Working Principles

The LM4674TLX/NOPB is a class AB audio amplifier that utilizes a combination of analog and digital circuitry to amplify audio signals. It operates by receiving an input audio signal, amplifying it, and delivering the amplified signal to the output channels. The amplifier can be configured for single-ended or differential input mode, allowing flexibility in system design.

Detailed Application Field Plans

The LM4674TLX/NOPB is suitable for various audio applications, including but not limited to: - Portable audio devices (e.g., smartphones, tablets, portable media players) - Headphone amplifiers - Bluetooth speakers - Gaming consoles - Automotive audio systems

Detailed and Complete Alternative Models

• LM4863
• TPA3116D2
• MAX9744
• TAS5611A
• STA540

These alternative models offer similar functionality and can be considered as alternatives to the LM4674TLX/NOPB based on specific application requirements.

In conclusion, the LM4674TLX/NOPB is a high-performance audio amplifier IC designed for various audio applications. Its low power consumption, small form factor, and wide voltage range operation make it suitable for portable devices and other space-constrained applications. With its adjustable gain settings, pop and click suppression, and thermal shutdown protection, it provides reliable and high-quality audio amplification.