LM4901MMX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: Low voltage, low power consumption, small package size
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: LM4901MMX/NOPB is a high-performance audio amplifier IC designed for low voltage applications. It provides amplification and signal conditioning for audio signals in various electronic devices.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2.5V to 5.5V
• Output Power: 1W (typical)
• Total Harmonic Distortion + Noise: 0.2% (typical)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4901MMX/NOPB IC has the following pin configuration:

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| | | 1 8 | | | | 2 7 | | | | 3 6 | | | | 4 5 | |___________| ```

1. IN-: Negative input terminal
2. IN+: Positive input terminal
3. SHUTDOWN: Shutdown control input
4. VDD: Positive supply voltage
5. GND: Ground
6. BYPASS: Bypass capacitor connection
7. OUT: Output terminal
8. NC: No connection

Functional Features

• Low voltage operation allows for compatibility with battery-powered devices
• Low power consumption extends battery life
• Small package size enables space-saving designs
• High-quality audio amplification with low distortion and noise
• Shutdown control for power management

Advantages and Disadvantages

Advantages: - Suitable for low voltage applications - Compact size for space-constrained designs - Low power consumption for extended battery life - High-quality audio amplification

Disadvantages: - Limited output power compared to higher wattage amplifiers - Not suitable for high-power audio applications

Working Principles

The LM4901MMX/NOPB is a class AB audio amplifier IC. It amplifies the input audio signal using an internal operational amplifier and delivers the amplified signal to the output terminal. The shutdown control allows the user to turn off the amplifier when not in use, reducing power consumption.

Application Field Plans

The LM4901MMX/NOPB is commonly used in various portable electronic devices such as:

1. Mobile phones
2. Tablets
3. Portable media players
4. Bluetooth speakers
5. Gaming consoles

Its low voltage operation, small package size, and low power consumption make it ideal for these applications.

Alternative Models

1. LM4861MM/NOPB
2. LM4881MM/NOPB
3. LM4911MM/NOPB
4. LM4951MM/NOPB

These alternative models offer similar functionality and can be considered as replacements for the LM4901MMX/NOPB depending on specific requirements.

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