LM4911LD/NOPB

Product Overview

Category

LM4911LD/NOPB belongs to the category of audio amplifiers.

Use

It is used for amplifying audio signals in various electronic devices such as smartphones, tablets, and portable media players.

Characteristics

• Low voltage operation
• Low quiescent current
• Shutdown mode for power saving
• Thermal shutdown protection

Package

The LM4911LD/NOPB comes in a small outline package (SOIC) with 8 pins.

Essence

The essence of LM4911LD/NOPB lies in its ability to provide high-quality audio amplification in a compact and energy-efficient package.

Packaging/Quantity

The LM4911LD/NOPB is typically packaged in reels of 2500 units.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Quiescent Current: 4mA
• Output Power: 1.1W at 5V, 10% THD+N, 8Ω Load
• Shutdown Current: 0.01μA
• Package Type: SOIC-8

Detailed Pin Configuration

1. SHUTDOWN - Shutdown Pin
2. BYPASS - Bypass Pin
3. GND - Ground Pin
4. OUT - Output Pin
5. VDD - Positive Power Supply Pin
6. IN- - Negative Input Pin
7. IN+ - Positive Input Pin
8. VSS - Negative Power Supply Pin

Functional Features

• Low voltage operation suitable for battery-powered devices
• Shutdown mode for power saving when not in use
• Thermal shutdown protection for overtemperature conditions
• Bypass pin for direct input-to-output connection

Advantages and Disadvantages

Advantages

• Low power consumption
• Compact package size
• Thermal protection for enhanced reliability

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for full functionality

Working Principles

The LM4911LD/NOPB operates by amplifying the input audio signal using internal circuitry and then delivering the amplified signal to an external speaker or headphone. It can operate at low voltages, making it suitable for portable electronic devices.

Detailed Application Field Plans

The LM4911LD/NOPB is commonly used in: - Portable media players - Smartphones - Tablets - Handheld gaming devices

Detailed and Complete Alternative Models

Some alternative models to LM4911LD/NOPB include: - LM4863 - TPA2012 - MAX98306

In conclusion, the LM4911LD/NOPB is a versatile audio amplifier designed for low voltage applications, offering a balance of performance, efficiency, and compactness.

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