LM4916LDX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low power consumption - Small package size - Wide voltage range operation

Package: DFN-8 (Dual Flat No-Lead)

Essence: The LM4916LDX/NOPB is a high-performance audio amplifier IC designed for various audio applications. It offers low power consumption and operates within a wide voltage range, making it suitable for portable devices and other low-power audio systems.

Packaging/Quantity: The LM4916LDX/NOPB is available in a DFN-8 package, which stands for Dual Flat No-Lead. This package type ensures easy integration into circuit boards and provides excellent thermal performance. The product is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.1W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 0.3W output power
• Signal-to-Noise Ratio (SNR): 95dB
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4916LDX/NOPB features the following pin configuration:

```

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| | --| VDD GND |-- Power Supply Pins --| INL OUTL |-- Input and Output Pins (Left Channel) --| INR OUTR |-- Input and Output Pins (Right Channel) --| SHDN |-- Shutdown Pin |___________| ```

Functional Features

• High-quality audio amplification
• Low power consumption for extended battery life
• Shutdown mode for power-saving when not in use
• Thermal and short-circuit protection
• Pop and click suppression during power-on/off transitions

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Wide voltage range operation - Small package size for space-constrained designs - Low power consumption for improved battery life - Pop and click suppression for seamless audio experience

Disadvantages: - Limited output power compared to larger amplifier systems - Not suitable for high-power audio applications

Working Principles

The LM4916LDX/NOPB is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It amplifies the audio signal received from the input pins and drives the corresponding output pins to produce amplified sound. The amplifier operates within a specified voltage range and provides thermal and short-circuit protection to ensure safe and reliable operation.

Detailed Application Field Plans

The LM4916LDX/NOPB can be used in various audio applications, including but not limited to: - Portable audio devices (e.g., smartphones, tablets, MP3 players) - Bluetooth speakers - Gaming consoles - Personal computers - Automotive audio systems - Home theater systems

Detailed and Complete Alternative Models

• LM4861: Similar audio amplifier IC with higher output power capability
• TPA3116D2: Class D audio amplifier IC with higher efficiency and lower power consumption
• MAX9744: Audio amplifier IC with integrated digital volume control
• TDA7297: Dual-channel audio amplifier IC with higher output power

These alternative models offer different features and specifications, allowing designers to choose the most suitable option based on their specific requirements.

In conclusion, the LM4916LDX/NOPB is a high-performance audio amplifier IC that provides low power consumption and operates within a wide voltage range. Its small package size and excellent thermal performance make it ideal for portable audio devices and other low-power audio systems. While it may have limitations in terms of output power, its advantages include high-quality audio amplification, pop and click suppression, and thermal protection. The LM4916LDX/NOPB finds applications in various audio systems, and alternative models offer additional options for different design needs.