LM48310SD/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Audio Amplifier
• Characteristics: High-performance, stereo audio amplifier
• Package: LLP (Leadless Package)
• Essence: Power-efficient audio amplification
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Power Supply Voltage: 2.5V - 5.5V
• Output Power: 1.3W per channel (into 8Ω load, 5V supply)
• Total Harmonic Distortion + Noise: 0.1% (at 1kHz, 1.2W output power)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM48310SD/NOPB package consists of 20 pins arranged as follows:

```

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| | | 1 10 20 | | o-------o-------o | | | | 2 19 | | o-----------------o | | | | 3 18 | | o-----------------o | | | | 4 17 | | o-----------------o | | | | 5 16 | | o-----------------o | | | | 6 15 | | o-----------------o | | | | 7 14 | | o-----------------o | | | | 8 13 | | o-----------------o | | | | 9 12 | | o-----------------o | | | | 10 11 | | o-----------------o | |_______________________| ```

Functional Features

• High-quality audio amplification for stereo applications
• Low power consumption and high efficiency
• Integrated shutdown mode for power saving
• Thermal shutdown protection
• Short-circuit and over-temperature protection

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Power-efficient operation - Compact and leadless package design - Comprehensive protection features

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires an external power supply

Working Principles

The LM48310SD/NOPB is a stereo audio amplifier that operates by amplifying the input audio signals received from a source. It utilizes a low-power Class D architecture, which enables efficient power conversion and minimizes heat dissipation. The amplifier's internal circuitry ensures accurate reproduction of audio signals with minimal distortion and noise.

Detailed Application Field Plans

The LM48310SD/NOPB finds applications in various audio systems, including but not limited to:

1. Portable speakers
2. Headphones and earphones
3. Multimedia devices
4. Automotive audio systems
5. Home theater systems

Alternative Models

Below are some alternative models that can be considered as alternatives to the LM48310SD/NOPB:

1. TPA3116D2 - Stereo Class D Audio Amplifier
2. MAX98357A - Mono Class D Audio Amplifier
3. TAS5720 - Digital Input Class D Audio Amplifier
4. STA540 - Dual/Quad Power Amplifier

These models offer similar functionality and can be suitable replacements depending on specific requirements.

In conclusion, the LM48310SD/NOPB is a high-performance stereo audio amplifier that provides power-efficient amplification for various audio applications. Its compact package, comprehensive protection features, and low power consumption make it an ideal choice for portable and multimedia devices, as well as automotive and home audio systems.

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