LM4925MM/NOPB

Product Overview

Category

LM4925MM/NOPB belongs to the category of audio amplifiers.

Use

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

Characteristics

• High-quality audio amplification
• Low power consumption
• Small package size
• Integrated volume control
• Thermal shutdown protection

Package

The LM4925MM/NOPB comes in a miniature 10-pin MSOP package.

Essence

The essence of LM4925MM/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient package.

Packaging/Quantity

The LM4925MM/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

• Power Supply Range: 2.7V to 5.5V
• Output Power: 1.1W (typical) into 8Ω at 5V
• Total Harmonic Distortion + Noise (THD+N): 0.15% (typical) at 1kHz, 5V
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4925MM/NOPB has the following pin configuration: 1. SHDN (Shutdown) 2. VDD (Power Supply) 3. INP (Positive Audio Input) 4. INN (Negative Audio Input) 5. GND (Ground) 6. BYP (Bypass) 7. VOUT (Audio Output) 8. VREF (Reference Voltage) 9. VDD (Power Supply) 10. VOL (Volume Control)

Functional Features

• Integrated volume control
• Thermal shutdown protection
• Short-circuit and thermal overload protection
• Bypass mode for direct input-to-output connection

Advantages and Disadvantages

Advantages

• Compact package size
• Low power consumption
• High-quality audio amplification
• Integrated volume control

Disadvantages

• Limited output power compared to larger audio amplifiers
• Limited to low-impedance loads

Working Principles

The LM4925MM/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. It regulates the output power based on the input signal and provides thermal and short-circuit protection to ensure safe operation.

Detailed Application Field Plans

The LM4925MM/NOPB is suitable for various portable electronic devices requiring audio amplification, including: - Smartphones - Tablets - Portable media players - Handheld gaming devices

Detailed and Complete Alternative Models

Some alternative models to LM4925MM/NOPB include: - LM4863 - TPA2012 - MAX98306

In conclusion, the LM4925MM/NOPB is a compact and efficient audio amplifier suitable for portable electronic devices, offering high-quality audio amplification and integrated volume control while ensuring low power consumption and thermal protection.

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