LM4898MM/NOPB

Product Overview

• Category: Audio Amplifier
• Use: The LM4898MM/NOPB is a versatile audio amplifier designed for use in portable electronic devices such as smartphones, tablets, and portable media players.
• Characteristics: This audio amplifier offers high efficiency, low power consumption, and excellent audio performance, making it ideal for battery-powered applications. It also features thermal shutdown and short-circuit protection.
• Package: The LM4898MM/NOPB is available in a miniature 16-pin LLP package, making it suitable for space-constrained designs.
• Essence: The essence of the LM4898MM/NOPB lies in its ability to deliver high-quality audio amplification while consuming minimal power.
• Packaging/Quantity: The LM4898MM/NOPB is typically supplied in reels of 2500 units.

Specifications

• Output Power: 1.1W per channel into 8Ω at 5V
• Total Harmonic Distortion (THD): 0.1% (typical) at 1kHz, 1.2W, 8Ω
• Efficiency: Up to 90%
• Supply Voltage Range: 2.7V to 5.5V
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4898MM/NOPB features a 16-pin LLP package with the following pin configuration: 1. SHUTDOWN 2. BYPASS 3. GAIN 4. VDD 5. OUT1 6. OUT2 7. GND 8. GND 9. GND 10. GND 11. GND 12. GND 13. GND 14. GND 15. GND 16. GND

Functional Features

• High Efficiency: The LM4898MM/NOPB's high efficiency enables extended battery life in portable devices.
• Low Power Consumption: With a shutdown current of only 0.01μA, the amplifier minimizes power usage during standby mode.
• Thermal Shutdown and Short-Circuit Protection: The device includes built-in protection mechanisms to safeguard against overheating and short-circuit conditions.

Advantages and Disadvantages

Advantages

• High efficiency
• Low power consumption
• Thermal shutdown and short-circuit protection
• Compact package size

Disadvantages

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

Working Principles

The LM4898MM/NOPB operates by amplifying the input audio signal and delivering it to the connected speaker or headphone. It utilizes a low-power architecture to minimize energy consumption while maintaining high audio fidelity.

Detailed Application Field Plans

The LM4898MM/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 similar audio amplifier with higher output power and a different package type.
• LM4880: An alternative audio amplifier offering lower power consumption and a smaller footprint.
• LM4950: Another option with integrated volume control and enhanced audio processing capabilities.

In conclusion, the LM4898MM/NOPB is a compact and efficient audio amplifier designed for portable electronic devices, offering high-quality audio performance while minimizing power consumption. Its versatility and protection features make it an ideal choice for a wide range of applications.

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