LM4906MM/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - Single supply voltage: 2.7V to 5.5V - Output power: 1.1W (typical) at 5V, 10% THD+N - Low quiescent current: 4mA (typical) - Shutdown mode for power saving - Thermal shutdown protection - Short-circuit and thermal overload protection

Package: 8-pin VSSOP (Very Small Outline Package)

Essence: The LM4906MM/NOPB is a mono audio amplifier IC designed for low-power applications. It provides high-quality audio amplification with minimal power consumption.

Packaging/Quantity: The LM4906MM/NOPB is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 4mA (typical)
• Output Power: 1.1W (typical) at 5V, 10% THD+N
• Shutdown Current: 0.01μA (typical)
• Total Harmonic Distortion + Noise (THD+N): 0.2% (typical) at 1kHz, 1.1W output power
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LM4906MM/NOPB has the following pin configuration:

```

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| | --| VDD GND|-- Pin 1: Ground (GND) --| INP SHDN|-- Pin 2: Shutdown (SHDN) --| INN OUT|-- Pin 3: Output (OUT) --| VDD GND|-- Pin 4: Ground (GND) --| INN OUT|-- Pin 5: Output (OUT) --| VDD GND|-- Pin 6: Ground (GND) --| INP SHDN|-- Pin 7: Shutdown (SHDN) |___________| ```

Functional Features

• Low quiescent current for power-saving operation.
• Shutdown mode allows the amplifier to be turned off when not in use, reducing power consumption.
• Thermal shutdown protection prevents the IC from overheating.
• Short-circuit and thermal overload protection ensure the safety of the amplifier and connected devices.

Advantages and Disadvantages

Advantages: - Low power consumption - High-quality audio amplification - Shutdown mode for power saving - Built-in protection features

Disadvantages: - Limited output power compared to higher wattage amplifiers - Single-channel output only

Working Principles

The LM4906MM/NOPB is a class AB audio amplifier that operates on a single supply voltage. It uses a bridge-tied load (BTL) configuration to provide high-quality audio amplification with minimal power consumption. The amplifier accepts an audio input signal and amplifies it to drive a speaker or headphones.

Detailed Application Field Plans

The LM4906MM/NOPB is suitable for various low-power audio applications, including: - Portable audio devices - Mobile phones - Tablets - MP3 players - Personal computers - Gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the LM4906MM/NOPB include: - LM4861MM/NOPB - LM4889MM/NOPB - LM4950MM/NOPB - LM4990MM/NOPB

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the LM4906MM/NOPB is a mono audio amplifier IC that offers high-quality audio amplification with low power consumption. Its compact package and built-in protection features make it suitable for various low-power audio applications.