TFA9812HN/N1,557

Product Overview

The TFA9812HN/N1,557 belongs to the category of audio amplifiers and is commonly used in consumer electronics such as smartphones, tablets, and portable media players. This amplifier is known for its compact size, high efficiency, and low power consumption. It is typically packaged in a small outline package (SOP) and is available in quantities suitable for mass production.

Specifications

• Power Supply: 3.0V to 5.5V
• Output Power: 3W at 4Ω, 10% THD+N, 5V
• Efficiency: Up to 90%
• Package Type: SOP-16

Detailed Pin Configuration

The TFA9812HN/N1,557 features a 16-pin SOP package with pins designated for power supply, input signal, output connection, and control signals. The detailed pin configuration can be found in the product datasheet.

Functional Features

• Class D Amplifier
• Integrated Boost Converter
• Low Quiescent Current
• Short-Circuit and Thermal Protection

Advantages and Disadvantages

Advantages: - High Efficiency - Compact Size - Integrated Boost Converter

Disadvantages: - Limited Output Power - Sensitivity to Noise in Input Signal

Working Principles

The TFA9812HN/N1,557 operates on the principle of class D amplification, where the input audio signal is modulated onto a high-frequency carrier wave. The integrated boost converter ensures efficient power delivery to the load, resulting in high overall efficiency.

Detailed Application Field Plans

The TFA9812HN/N1,557 is well-suited for use in portable electronic devices where space and power efficiency are crucial. Its application extends to smartphones, tablets, portable speakers, and other battery-powered audio devices.

Detailed and Complete Alternative Models

• TFA9894HN/N1,557
• TFA9882HN/N1,557
• TFA9879HN/N1,557

In summary, the TFA9812HN/N1,557 is a compact and efficient audio amplifier suitable for portable electronic devices, offering high performance within a limited power budget.

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