LM4917SD/NOPB

Product Overview

Category

LM4917SD/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 power consumption
• Small form factor
• Integrated shutdown feature for power saving

Package

The LM4917SD/NOPB comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of LM4917SD/NOPB lies in its ability to provide high-quality audio amplification while consuming minimal power.

Packaging/Quantity

The LM4917SD/NOPB is typically packaged in reels and is available in quantities suitable for mass production.

Specifications

• Power Supply Range: 2.7V to 5.5V
• Total Harmonic Distortion + Noise (THD+N): 0.03% at 1kHz, 150mW into 32Ω
• Shutdown Current: 0.01µA (typical)
• Output Power: 160mW at 1.8V, 10% THD, 32Ω Load

Detailed Pin Configuration

The detailed pin configuration of LM4917SD/NOPB includes input pins, output pins, power supply pins, and control pins. The specific pin functions are outlined in the product datasheet.

Functional Features

• Integrated shutdown feature for power saving
• Short-circuit and thermal protection
• Fixed gain of 6dB

Advantages and Disadvantages

Advantages

• Low power consumption
• High-quality audio amplification
• Small form factor

Disadvantages

• Fixed gain may not be suitable for all applications
• Limited output power compared to some higher-power amplifiers

Working Principles

The LM4917SD/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. It is designed to operate within a specified power supply range and provides the amplified signal at its output pins.

Detailed Application Field Plans

The LM4917SD/NOPB is well-suited for use in portable electronic devices such as smartphones, tablets, and portable media players where low power consumption and high-quality audio amplification are essential. It can also be integrated into audio accessories and wearable devices.

Detailed and Complete Alternative Models

Some alternative models to LM4917SD/NOPB include: - LM4863: A higher-power audio amplifier suitable for applications requiring more output power. - LM4880: An audio amplifier with adjustable gain, suitable for applications where fixed gain may not be ideal.

In conclusion, LM4917SD/NOPB is a compact and efficient audio amplifier suitable for portable electronic devices and applications where low power consumption and high-quality audio amplification are crucial.

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