LM48820TM/NOPB

Product Overview

Category

LM48820TM/NOPB belongs to the category of audio amplifier integrated circuits.

Use

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

Characteristics

• High efficiency
• Low distortion
• Small package size
• Low power consumption

Package

The LM48820TM/NOPB is available in a small outline package (SOP) or a thin shrink small outline package (TSSOP).

Essence

The essence of LM48820TM/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient manner.

Packaging/Quantity

The LM48820TM/NOPB is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

• Power Supply Range: 2.7V to 5.5V
• Output Power: 1.1W at 5V, 10% THD+N, 8Ω Load
• Shutdown Current: 0.6μA (typ)
• Quiescent Current: 4mA (typ)

Detailed Pin Configuration

The LM48820TM/NOPB has a total of 14 pins, including power supply pins, input and output pins, and control pins. The detailed pin configuration is as follows: 1. VDD (Power supply) 2. GND (Ground) 3. SD (Shutdown control) 4. IN- (Negative audio input) 5. IN+ (Positive audio input) 6. BYPASS (Bypass capacitor connection) 7. GAIN (Gain setting) 8. OUT (Audio output) 9. VDD (Power supply) 10. GND (Ground) 11. GND (Ground) 12. GND (Ground) 13. GND (Ground) 14. GND (Ground)

Functional Features

• Single-ended or BTL output
• Thermal shutdown protection
• Short-circuit protection
• Unity-gain stable

Advantages and Disadvantages

Advantages

• High efficiency and low power consumption
• Small package size for space-constrained designs
• Built-in protection features for reliability

Disadvantages

• Limited output power compared to some higher wattage amplifiers
• Requires external components for full functionality

Working Principles

The LM48820TM/NOPB operates by amplifying the input audio signal using internal circuitry and then delivering the amplified signal to the output while maintaining high efficiency and low distortion. It utilizes a combination of analog and digital techniques to achieve its performance.

Detailed Application Field Plans

The LM48820TM/NOPB is well-suited for use in various portable and battery-powered audio devices, including: - Portable speakers - Headphone amplifiers - Mobile phones - Tablets - Personal music players

Detailed and Complete Alternative Models

Some alternative models to LM48820TM/NOPB include: - TPA2012D2 from Texas Instruments - MAX98306 from Maxim Integrated - NJM2746 from New Japan Radio

In conclusion, the LM48820TM/NOPB is a versatile audio amplifier IC that offers high efficiency, low distortion, and compact size, making it suitable for a wide range of portable and battery-powered audio applications.

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