LM4546BVH/NOPB

Product Overview

Category

LM4546BVH/NOPB belongs to the category of audio amplifiers and drivers.

Use

It is used for driving speakers in various audio applications such as portable devices, home entertainment systems, and automotive audio systems.

Characteristics

LM4546BVH/NOPB is known for its high efficiency, low distortion, and compact size. It offers excellent audio performance with minimal power consumption.

Package

The LM4546BVH/NOPB comes in a small outline package (SOIC) which makes it suitable for space-constrained applications.

Essence

The essence of LM4546BVH/NOPB lies in its ability to deliver high-quality audio output while consuming minimal power.

Packaging/Quantity

It is typically available in reels containing 2500 units per reel.

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: 1.3W per channel into 8Ω at 5V
• Total Harmonic Distortion + Noise: 0.1% (typical) at 1kHz, 1.2W, 8Ω
• Shutdown Current: 0.1μA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4546BVH/NOPB has a total of 24 pins. The detailed pin configuration includes input pins, output pins, power supply pins, and control pins. Each pin serves a specific function in the amplifier circuit.

Functional Features

• Integrated Class D Amplifier
• Short-Circuit and Thermal Protection
• Low Quiescent Current
• Pop and Click Suppression Circuitry

Advantages and Disadvantages

Advantages

• High Efficiency
• Low Distortion
• Compact Size
• Integrated Protection Features

Disadvantages

• Limited output power compared to larger amplifiers
• Requires careful PCB layout for optimal performance

Working Principles

LM4546BVH/NOPB operates on the principle of converting the input audio signal into a high-frequency pulse-width modulated (PWM) signal. This PWM signal is then amplified and filtered to drive the connected speaker, resulting in high-quality audio output.

Detailed Application Field Plans

LM4546BVH/NOPB is well-suited for a wide range of applications including: - Portable Audio Devices - Home Entertainment Systems - Automotive Audio Systems - Multimedia Speakers

Detailed and Complete Alternative Models

Some alternative models to LM4546BVH/NOPB include: - LM4863: Stereo 1.1W Audio Power Amplifier - TPA3116D2: 50-W Stereo, 100-W Mono PurePath™ Ultra-HD Analog-Input Class-D Amplifier

In conclusion, LM4546BVH/NOPB is a versatile audio amplifier and driver that offers high efficiency, low distortion, and integrated protection features. Its compact size and wide operating voltage range make it suitable for various audio applications.

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