TDA2003H

Overview

Product Category

TDA2003H belongs to the category of audio power amplifier integrated circuits (ICs).

Use

The TDA2003H IC is primarily used for amplifying audio signals in various electronic devices such as radios, televisions, car audio systems, and portable speakers.

Characteristics

• Power Output: The TDA2003H can deliver a maximum power output of 10 Watts.
• Supply Voltage: It operates within a supply voltage range of 8V to 18V.
• Low Distortion: This IC offers low distortion and high-quality audio amplification.
• Thermal Protection: It includes built-in thermal protection to prevent overheating.
• Short Circuit Protection: The TDA2003H features short circuit protection to safeguard the device from damage.

Package and Quantity

The TDA2003H is available in a TO-220 package. It is commonly sold individually or in packs of multiple units.

Specifications

• Maximum Power Output: 10 Watts
• Supply Voltage Range: 8V to 18V
• Total Harmonic Distortion: <0.5%
• Frequency Response: 20Hz to 20kHz
• Input Sensitivity: 150mV
• Quiescent Current: 50mA

Pin Configuration

The TDA2003H IC has a total of 5 pins:

1. Pin 1: Audio Input
2. Pin 2: Non-Inverting Input
3. Pin 3: Inverting Input
4. Pin 4: VCC (Supply Voltage)
5. Pin 5: Ground

Functional Features

• High Amplification Gain: The TDA2003H provides a high amplification gain, allowing for efficient audio signal amplification.
• Wide Frequency Response: It offers a wide frequency response range, ensuring accurate reproduction of audio signals across different frequencies.
• Low Power Consumption: This IC consumes low power, making it suitable for battery-powered devices.
• Easy Integration: The TDA2003H can be easily integrated into various audio systems due to its compact size and simple circuit design.

Advantages and Disadvantages

Advantages

• High amplification gain for efficient audio signal amplification.
• Wide frequency response range for accurate audio reproduction.
• Built-in thermal and short circuit protection for device safety.
• Low power consumption ideal for battery-powered devices.
• Compact size and easy integration into audio systems.

Disadvantages

• Limited maximum power output compared to higher wattage amplifiers.
• Requires an external power supply within the specified voltage range.

Working Principles

The TDA2003H operates as a class AB audio amplifier. It amplifies the input audio signal by using a combination of NPN and PNP transistors. The input audio signal is first amplified by the pre-amplifier stage, and then further amplified by the power amplifier stage. The amplified signal is then sent to the output for driving speakers or other audio devices.

Application Field Plans

The TDA2003H finds applications in various audio-related fields, including: 1. Home audio systems 2. Car audio systems 3. Portable speakers 4. Radios and televisions 5. Musical instruments amplification

Alternative Models

There are several alternative models available that offer similar functionality to the TDA2003H. Some popular alternatives include: - TDA2030A - LM386 - TDA2822M - STA540

These alternative models can be considered based on specific requirements and desired features.

In conclusion, the TDA2003H is an audio power amplifier IC widely used in various electronic devices. With its high amplification gain, wide frequency response, and built-in protection features, it offers reliable and efficient audio amplification. While it has some limitations in terms of power output, it remains a popular choice for many audio applications.