LM4962TLX/NOPB

Product Overview

• Category: Audio Amplifier
• Use: LM4962TLX/NOPB is a stereo audio amplifier designed for portable applications such as smartphones, tablets, and portable media players.
• Characteristics: It offers high-quality audio amplification with low power consumption, making it ideal for battery-powered devices. The amplifier operates on a single supply voltage and provides a high output power capability.
• Package: LM4962TLX/NOPB comes in a small outline package (SOT-23) which is compact and suitable for space-constrained designs.
• Essence: The essence of LM4962TLX/NOPB lies in its ability to deliver clear and powerful audio output while consuming minimal power.
• Packaging/Quantity: It is typically available in reels of 3000 units.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 1.4W per channel into 8Ω load at 5V supply
• Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 1.2W into 8Ω load
• Efficiency: Up to 90%
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4962TLX/NOPB has the following pin configuration:

```

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| | --| VDD | --| INL | --| INR | --| GND | --| SHUTDOWN | --| OUTL | --| OUTR | |___________| ```

Functional Features

• High-quality audio amplification with low power consumption
• Single supply voltage operation
• Thermal shutdown protection
• Short-circuit and over-temperature protection
• Pop and click suppression during power-up and shutdown

Advantages and Disadvantages

Advantages: - High output power capability - Compact package suitable for portable applications - Low total harmonic distortion - Efficient power consumption

Disadvantages: - Limited output power compared to larger audio amplifiers - Requires external components for proper operation

Working Principles

The LM4962TLX/NOPB is a class AB stereo audio amplifier. It amplifies the audio signal received at the INL and INR inputs and delivers it to the OUTL and OUTR outputs. The amplifier operates on a single supply voltage, which simplifies the design and reduces power consumption.

Detailed Application Field Plans

The LM4962TLX/NOPB is commonly used in various portable audio devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Headphones

Alternative Models

Some alternative models that offer similar functionality to LM4962TLX/NOPB are: - LM4863: Stereo audio amplifier with higher output power capability - LM4950: Mono audio amplifier with integrated volume control - TPA3116D2: Class D audio amplifier with higher efficiency

These alternative models can be considered based on specific requirements and design constraints.

In conclusion, the LM4962TLX/NOPB is a compact and efficient stereo audio amplifier suitable for portable applications. Its high-quality audio amplification, low power consumption, and thermal protection make it an excellent choice for battery-powered devices.