TDA7491HV13TR

Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High efficiency - Low distortion - Wide operating voltage range - Small package size - Thermal protection

Package: HVSSOP24

Essence: TDA7491HV13TR is a high-efficiency audio amplifier IC designed for various audio applications.

Packaging/Quantity: The TDA7491HV13TR is typically sold in reels containing 2500 units.

Specifications

• Operating Voltage Range: 8V to 26V
• Output Power: Up to 20W per channel
• Total Harmonic Distortion: < 0.1%
• Signal-to-Noise Ratio: > 90dB
• Efficiency: > 90%
• Package Type: HVSSOP24

Pin Configuration

The TDA7491HV13TR has the following pin configuration:

Pin 1: Mute Pin 2: IN1- Pin 3: IN1+ Pin 4: GND Pin 5: VCC Pin 6: PVCC Pin 7: OUT1 Pin 8: OUT2 Pin 9: PVCC Pin 10: GND Pin 11: IN2+ Pin 12: IN2- Pin 13: STBY Pin 14: VCC Pin 15: PVCC Pin 16: OUT3 Pin 17: OUT4 Pin 18: PVCC Pin 19: GND Pin 20: IN3+ Pin 21: IN3- Pin 22: MUTE Pin 23: VCC Pin 24: PVCC

Functional Features

• Three independent channels with bridge-tied load (BTL) configuration
• Built-in mute and standby modes for power management
• Short-circuit protection
• Over-temperature protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Low distortion ensures high-quality audio output - Wide operating voltage range allows flexibility in power supply selection - Small package size enables compact designs - Thermal protection prevents damage due to overheating

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation

Working Principles

The TDA7491HV13TR is a class-D audio amplifier that utilizes pulse width modulation (PWM) techniques to amplify audio signals efficiently. It converts the input analog audio signal into a digital PWM signal, which is then amplified by the power stage. The BTL configuration allows each channel to drive a speaker directly.

Detailed Application Field Plans

The TDA7491HV13TR is suitable for various audio applications, including: - Portable speakers - Home theater systems - Automotive audio systems - Multimedia devices - Gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the TDA7491HV13TR include: - TPA3116D2 - STA540 - LM3886 - TAS5630

These alternatives offer similar functionality and can be considered based on specific requirements and design constraints.

In conclusion, the TDA7491HV13TR is a versatile audio amplifier IC with high efficiency, low distortion, and thermal protection features. Its small package size and wide operating voltage range make it suitable for various audio applications. While it has limitations in terms of output power, it offers advantages such as reduced power consumption and high-quality audio output.