TS4890IDT

Product Overview

Category: Integrated Circuit (IC)

Use: The TS4890IDT is a versatile audio amplifier designed for various applications in consumer electronics, automotive systems, and portable devices. It provides high-quality audio amplification with low distortion and noise.

Characteristics: - High power output - Low power consumption - Wide frequency response - Small package size - Thermal and short-circuit protection

Package: The TS4890IDT is available in a small outline package (SOP) with 8 pins.

Essence: This IC is specifically designed to enhance audio signals and deliver amplified sound with improved clarity and fidelity.

Packaging/Quantity: The TS4890IDT is typically sold in reels or tubes containing a specified quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

• Power Supply Voltage: 2.5V - 5.5V
• Output Power: Up to 1.2W
• Total Harmonic Distortion (THD): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TS4890IDT features the following pin configuration:

```

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| | --| VDD | --| IN+ | --| IN- | --| GND | --| OUT | --| SHUTDOWN | --| BYPASS | |___________| ```

Functional Features

1. High Power Output: The TS4890IDT can deliver up to 1.2W of power, making it suitable for driving various types of speakers.
2. Low Power Consumption: With its efficient design, this IC consumes minimal power, ensuring longer battery life in portable devices.
3. Wide Frequency Response: The amplifier has a broad frequency response range, allowing it to reproduce both low and high-frequency audio signals accurately.
4. Small Package Size: The compact SOP package enables space-saving integration into electronic devices with limited board space.
5. Thermal and Short-Circuit Protection: The IC incorporates built-in protection mechanisms to prevent overheating and damage caused by short-circuits.

Advantages and Disadvantages

Advantages: - High power output for its size - Low power consumption - Wide frequency response - Compact package size - Built-in protection features

Disadvantages: - Limited output power compared to higher-end amplifiers - May require additional circuitry for specific applications

Working Principles

The TS4890IDT operates as a class D audio amplifier, utilizing pulse-width modulation (PWM) techniques to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the desired audio output. The class D design ensures high efficiency and minimal power loss during the amplification process.

Detailed Application Field Plans

The TS4890IDT finds application in various fields, including: 1. Consumer Electronics: - Portable audio devices (MP3 players, smartphones, tablets) - Home theater systems - Personal computers and laptops

1. Automotive Systems:

   • Car audio systems
   • In-car entertainment systems

2. Portable Devices:

   • Bluetooth speakers
   • Headphones and earphones
   • Portable gaming consoles

Alternative Models

For users seeking alternative options, the following models can be considered: - TS4891IDT - TS4892IDT - TS4893IDT

These models offer similar functionality and performance characteristics, providing flexibility in choosing the most suitable audio amplifier for specific applications.

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