TDA1517ATW/N1,118

Introduction

The TDA1517ATW/N1,118 is a versatile audio amplifier integrated circuit designed for various audio applications. This entry provides an overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Audio Amplifier IC
• Use: Audio amplification in consumer electronics, automotive, and industrial applications
• Characteristics: High efficiency, low distortion, compact size
• Package: 9-pin SIL package
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Output Power: Up to 2 x 6 W at 10% THD with a 4 Ω load and 18 V supply
• Supply Voltage Range: 6 V to 18 V
• Total Harmonic Distortion (THD): <0.5% at 1 W, 1 kHz
• Signal-to-Noise Ratio (SNR): >70 dB
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. VCC: Power supply voltage
2. OUT1: Output channel 1
3. GND: Ground
4. OUT2: Output channel 2
5. IN-: Inverting input
6. IN+: Non-inverting input
7. MUTE: Mute control
8. ST-BY: Standby control
9. SVR: Supply voltage reference

Functional Features

• Bridge-Tied Load (BTL) Configuration: Allows for higher output power with a single supply voltage
• Mute and Standby Functions: Enables power-saving and muting capabilities
• Short-Circuit Protection: Safeguards the amplifier and connected components
• Thermal Shutdown Protection: Prevents overheating of the IC

Advantages and Disadvantages

Advantages

• Compact size suitable for space-constrained applications
• High efficiency and low distortion for quality audio reproduction
• Built-in protection features enhance reliability

Disadvantages

• Limited output power compared to larger external amplifiers
• Requires heat sinking for high-power applications

Working Principles

The TDA1517ATW/N1,118 operates as a stereo BTL audio amplifier, utilizing a single supply voltage to drive speakers or loads. It amplifies the input audio signal while providing protection against short circuits and thermal overload. The mute and standby functions offer additional control over the amplifier's operation, making it suitable for various audio systems.

Detailed Application Field Plans

1. Consumer Electronics: Used in portable speakers, home audio systems, and multimedia devices
2. Automotive: Integrated into car audio systems and head units
3. Industrial: Employed in public address systems, intercoms, and audio equipment for industrial settings

Detailed and Complete Alternative Models

• TDA1517BQ: Similar performance with different package options
• TDA2003: Higher power output with similar features
• LM386: Lower power output but suitable for low-power applications

In conclusion, the TDA1517ATW/N1,118 offers a compact and efficient solution for audio amplification across various applications, with built-in protection features and flexible control options.

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