TDA7721TR

Overview

Category

TDA7721TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in audio amplifier applications.

Characteristics

• Integrated audio amplifier circuit
• High power output capability
• Low distortion and noise levels
• Wide frequency response range

Package

TDA7721TR is available in a compact surface mount package.

Essence

The essence of TDA7721TR lies in its ability to amplify audio signals efficiently and deliver high-quality sound output.

Packaging/Quantity

This product is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications and Parameters

• Power supply voltage: 12V
• Output power: 20W
• Total harmonic distortion: <0.1%
• Signal-to-noise ratio: >90dB
• Frequency response: 20Hz - 20kHz

Pin Configuration

The pin configuration of TDA7721TR is as follows:

Pin 1: VCC Pin 2: GND Pin 3: IN+ Pin 4: IN- Pin 5: OUT

Functional Characteristics

TDA7721TR offers the following functional characteristics:

• Single-ended input configuration
• Built-in thermal protection
• Short-circuit protection
• Overload protection

Advantages and Disadvantages

Advantages: - High power output capability - Low distortion and noise levels - Compact size - Built-in protection features

Disadvantages: - Limited output power compared to some other models - Requires external heat sink for efficient cooling

Applicable Range of Products

TDA7721TR is suitable for various audio amplifier applications, including portable speakers, car audio systems, and home theater setups.

Working Principles

TDA7721TR operates based on the principles of amplification and signal processing. It takes in an audio signal, amplifies it, and delivers the amplified signal to the output.

Detailed Application Field Plans

TDA7721TR can be used in the following application fields:

1. Portable Bluetooth speakers
2. Car audio systems
3. Home theater receivers
4. Audio amplifiers for musical instruments
5. Public address systems

Detailed Alternative Models

Some alternative models to TDA7721TR include:

• TDA7265
• LM386
• TPA3116D2
• STA540
• TDA2030A

5 Common Technical Questions and Answers

1. Q: What is the maximum power supply voltage for TDA7721TR? A: The maximum power supply voltage is 18V.

2. Q: Can TDA7721TR drive a 4-ohm speaker? A: Yes, TDA7721TR can drive speakers with impedance as low as 4 ohms.

3. Q: Does TDA7721TR require an external heat sink? A: Yes, for efficient cooling, an external heat sink is recommended.

4. Q: What is the typical efficiency of TDA7721TR? A: The typical efficiency is around 70%.

5. Q: Can TDA7721TR be used in bridged amplifier configurations? A: No, TDA7721TR is not designed for bridged amplifier setups.

This concludes the encyclopedia entry for TDA7721TR.

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