TDA8542TS/N1,112

Product Overview

Category

TDA8542TS/N1,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in audio amplifier applications.

Characteristics

• The TDA8542TS/N1,112 is a stereo BTL (Bridge-Tied Load) audio amplifier.
• It operates on a single power supply voltage ranging from 4.5V to 18V.
• This IC offers high output power and low distortion.
• It is designed for use in portable audio devices and automotive audio systems.

Package

The TDA8542TS/N1,112 is available in a small outline package (SOT457), which is suitable for surface mount applications.

Essence

The essence of this product lies in its ability to amplify audio signals with high power and low distortion, making it ideal for various audio applications.

Packaging/Quantity

The TDA8542TS/N1,112 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 4.5V to 18V
• Output Power: Up to 2 x 2.3W (at 10% THD+N)
• Total Harmonic Distortion + Noise (THD+N): < 0.5%
• Signal-to-Noise Ratio (SNR): > 80dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TDA8542TS/N1,112 has a total of 8 pins, which are assigned specific functions as follows:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. INL: Left channel audio input
4. INR: Right channel audio input
5. SHUTDOWN: Shutdown control input
6. OUTL: Left channel audio output
7. OUTR: Right channel audio output
8. BYPASS: Bypass capacitor connection

Functional Features

• Bridge-Tied Load (BTL) configuration for increased output power.
• Low external component count, simplifying circuit design.
• Thermal and short-circuit protection.
• Shutdown mode for power saving when not in use.

Advantages and Disadvantages

Advantages

• High output power capability.
• Low distortion for improved audio quality.
• Wide operating voltage range.
• Compact package size for space-constrained applications.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• Requires careful consideration of heat dissipation in high-power applications.

Working Principles

The TDA8542TS/N1,112 operates as a bridge-tied load amplifier, which allows for increased output power by utilizing both halves of the audio signal waveform. It amplifies the input audio signals received from the left and right channels and delivers them to the corresponding output channels.

Detailed Application Field Plans

The TDA8542TS/N1,112 is commonly used in various audio applications, including but not limited to: - Portable audio devices such as MP3 players and smartphones. - Automotive audio systems in cars, motorcycles, and other vehicles. - Home audio systems and multimedia speakers. - Personal computer sound cards and peripherals.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the TDA8542TS/N1,112 are: - TDA8560Q: A quad bridge-tied load (BTL) audio amplifier with higher output power. - TDA7265: A stereo BTL audio amplifier with similar characteristics and pin configuration. - LM386: A low-power audio amplifier suitable for battery-operated applications.

These alternative models offer different features and specifications, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, the TDA8542TS/N1,112 is a stereo BTL audio amplifier IC that provides high output power and low distortion. It is commonly used in portable audio devices, automotive audio systems, and other audio applications. While it has its advantages and disadvantages, there are alternative models available to cater to different design needs.