LM4832M/NOPB

Product Overview

• Category: Audio Amplifier
• Use: The LM4832M/NOPB is a stereo audio amplifier designed for use in portable electronic devices such as smartphones, tablets, and portable media players.
• Characteristics: This amplifier offers high efficiency, low power consumption, and small package size, making it ideal for space-constrained applications.
• Package: The LM4832M/NOPB is available in a miniature 14-pin LLP package.
• Essence: It provides high-quality audio amplification in a compact form factor, suitable for portable consumer electronics.
• Packaging/Quantity: The LM4832M/NOPB is typically supplied in reels of 2500 units.

Specifications

• Output Power: 1.3W per channel into 8Ω at 5V
• Total Harmonic Distortion (THD): 0.1% (typical) at 1W into 8Ω
• Efficiency: Up to 85%
• Supply Voltage Range: 2.4V to 5.5V
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4832M/NOPB features the following pin configuration: 1. Shutdown/Mute 2. Input Bypass 3. Gain Select 4. Negative Output 5. Positive Output 6. VDD 7. GND 8. GND 9. GND 10. GND 11. GND 12. GND 13. Right Channel Input 14. Left Channel Input

Functional Features

• Integrated Volume Control: The LM4832M/NOPB includes an integrated digital volume control, simplifying system design and providing precise volume adjustment.
• Low Shutdown Current: In shutdown mode, the amplifier consumes minimal current, conserving battery power in portable devices.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage from excessive heat.

Advantages and Disadvantages

Advantages

• Compact package size
• High efficiency
• Integrated volume control
• Low shutdown current

Disadvantages

• Limited output power compared to larger amplifiers
• Requires external components for full functionality

Working Principles

The LM4832M/NOPB operates by amplifying the input audio signal and driving it through the connected speakers. Its integrated volume control allows for precise adjustment of the output level, while the high efficiency ensures minimal power consumption.

Detailed Application Field Plans

The LM4832M/NOPB is well-suited for various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Wearable devices

Detailed and Complete Alternative Models

• LM4863: A higher-power audio amplifier suitable for applications requiring increased output capability.
• LM4881: An ultra-low-power audio amplifier designed for battery-powered devices with strict power constraints.
• LM4890: A versatile audio amplifier with built-in DC volume control and headphone drive capability.

This completes the entry for LM4832M/NOPB in the English editing encyclopedia format.