LM4985TM/NOPB

Product Overview

Category

LM4985TM/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

• High-quality audio amplification
• Low distortion
• Small package size
• Low power consumption

Package

The LM4985TM/NOPB comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of LM4985TM/NOPB lies in its ability to provide high-fidelity audio amplification in a compact and efficient manner.

Packaging/Quantity

The LM4985TM/NOPB is typically packaged in reels containing 2500 units.

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: 1.1W at 3.6V, 10% THD+N, 8Ω Load
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
• Shutdown Current: 0.01μA (typical)

Detailed Pin Configuration

The LM4985TM/NOPB has a total of 14 pins, including power supply pins, input and output pins, and control pins. The detailed pin configuration can be found in the product datasheet.

Functional Features

• Single-ended or Differential Input
• Integrated Volume Control
• Thermal Shutdown Protection
• Short-Circuit and Overload Protection

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low power consumption
• Integrated volume control for ease of use

Disadvantages

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

Working Principles

The LM4985TM/NOPB operates by receiving an audio input signal and amplifying it to drive a connected speaker or headphone. It utilizes internal circuitry to ensure low distortion and protect against overloads and short circuits.

Detailed Application Field Plans

The LM4985TM/NOPB is well-suited for use in portable electronic devices where high-quality audio amplification is required within a limited space and power budget. It can be integrated into smartphones, tablets, portable media players, and other similar devices.

Detailed and Complete Alternative Models

Some alternative models to LM4985TM/NOPB include: - LM386 - TPA3116D2 - MAX9744

These alternatives offer varying features and performance characteristics, providing options for different design requirements.

In conclusion, the LM4985TM/NOPB is a versatile audio amplifier suitable for portable electronic devices, offering high-quality audio amplification in a compact and efficient package. Its integration of volume control and protection features makes it a valuable component in modern audio systems.