LM4858MM/NOPB

Product Overview

Category

LM4858MM/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 efficiency
• Low quiescent current
• Thermal shutdown protection
• Short-circuit and thermal overload protection

Package

The LM4858MM/NOPB comes in a miniature 14-pin LLP package.

Essence

The essence of LM4858MM/NOPB lies in its ability to provide high-quality audio amplification in a compact form factor.

Packaging/Quantity

The LM4858MM/NOPB is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: 1.4W at 3.6V, 10% THD+N into 8Ω
• Quiescent Current: 4mA
• Shutdown Current: 0.01μA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The detailed pin configuration of LM4858MM/NOPB is as follows: 1. SHUTDOWN 2. BYPASS 3. GAIN 4. VDD 5. OUTL 6. OUTR 7. GND 8. GND 9. MODE 10. BST 11. PGND 12. INL 13. INR 14. VDD

Functional Features

• Shutdown mode for power saving
• Bypass pin for direct input connection
• Adjustable gain control
• Differential inputs for noise rejection

Advantages

• Small form factor
• Low power consumption
• Thermal and short-circuit protection
• High efficiency

Disadvantages

• Limited output power compared to larger amplifiers
• Limited voltage range

Working Principles

The LM4858MM/NOPB operates by amplifying the input audio signal using an internal class D amplifier architecture. It efficiently converts the low-voltage analog audio signal into a higher voltage output suitable for driving speakers or headphones.

Detailed Application Field Plans

The LM4858MM/NOPB is well-suited for use in portable electronic devices where space and power efficiency are critical. It can be integrated into smartphones, tablets, portable media players, and other handheld devices to enhance their audio capabilities.

Detailed and Complete Alternative Models

Some alternative models to LM4858MM/NOPB include: - LM4863 - TPA2012 - MAX98306

In conclusion, LM4858MM/NOPB is a compact and efficient audio amplifier designed for portable electronic devices, offering high-quality audio amplification while minimizing power consumption and space requirements.

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