TS4972EIJT

Product Overview

Category

TS4972EIJT belongs to the category of integrated circuits (ICs).

Use

The TS4972EIJT IC is commonly used in audio applications, specifically for amplification and signal processing.

Characteristics

• The TS4972EIJT is a low-power stereo headphone amplifier.
• It operates on a single supply voltage ranging from 2.5V to 5.5V.
• This IC offers high output power with low distortion and noise.
• It has a built-in thermal shutdown protection mechanism.
• The TS4972EIJT is designed to drive headphones with an impedance range of 16Ω to 300Ω.

Package

The TS4972EIJT is available in a small outline package (SOT-23-8) which provides compactness and ease of integration into various electronic devices.

Essence

The essence of the TS4972EIJT lies in its ability to deliver high-quality audio amplification while consuming minimal power.

Packaging/Quantity

The TS4972EIJT is typically packaged in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 80mW per channel
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Quiescent Current: 1.6mA
• Shutdown Current: <1μA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The TS4972EIJT IC has the following pin configuration:

1. VDD: Positive supply voltage
2. GND: Ground reference
3. SD: Shutdown control input
4. INL: Left channel audio input
5. INR: Right channel audio input
6. OUTL: Left channel audio output
7. OUTR: Right channel audio output
8. NC: No connection

Functional Features

• Low-power consumption for extended battery life in portable devices.
• High output power capability to drive a wide range of headphones.
• Excellent audio quality with low distortion and noise.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Shutdown mode for power-saving when the amplifier is not in use.

Advantages and Disadvantages

Advantages

• Compact package size allows for easy integration into space-constrained designs.
• Wide supply voltage range enables compatibility with various power sources.
• High output power ensures sufficient volume levels for different headphone types.
• Low distortion and noise result in clear and high-fidelity audio reproduction.
• Thermal shutdown protection enhances reliability and safeguards against overheating.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• Not suitable for driving speakers or other high-impedance loads.
• May require additional external components for specific applications.

Working Principles

The TS4972EIJT operates as a class AB stereo headphone amplifier. It utilizes internal circuitry to amplify the audio signals received at the input pins (INL and INR) and delivers them to the corresponding output pins (OUTL and OUTR). The amplifier's gain, output power, and other characteristics are determined by the internal circuit design and external component values.

Detailed Application Field Plans

The TS4972EIJT finds application in various audio-related fields, including but not limited to:

1. Portable audio devices such as smartphones, tablets, and MP3 players.
2. Personal computers and laptops for enhanced audio output.
3. Gaming consoles and handheld gaming devices.
4. Automotive infotainment systems.
5. Home audio systems and miniaturized audio equipment.

Detailed and Complete Alternative Models

1. TS4972EIJT's alternative models:

   • TS4972EIDT
   • TS4972EILT
   • TS4972EIST

2. Other alternative models from different manufacturers:

   • MAX97220A by Maxim Integrated
   • TPA6130A2 by Texas Instruments
   • NJM4556AD by New Japan Radio

These alternative models offer similar functionality and can be considered as substitutes for the TS4972EIJT in various applications.

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