TDA7385H

Overview

Category

TDA7385H belongs to the category of integrated circuits (ICs) specifically designed for audio amplification.

Use

This product is primarily used in automotive audio systems, providing high-quality sound amplification for car speakers.

Characteristics

• High output power capability
• Low distortion and noise levels
• Wide supply voltage range
• Thermal protection
• Short-circuit protection

Package

The TDA7385H is available in a multiwatt15 package, which ensures efficient heat dissipation and easy mounting on printed circuit boards (PCBs).

Essence

The essence of the TDA7385H lies in its ability to deliver powerful and clear audio amplification while maintaining low distortion and noise levels.

Packaging/Quantity

The TDA7385H is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's packaging specifications.

Specifications

• Supply Voltage: 8V to 18V
• Output Power: Up to 4 x 25W
• Total Harmonic Distortion (THD): <0.5%
• Signal-to-Noise Ratio (SNR): >80dB
• Operating Temperature Range: -40°C to +105°C

Pin Configuration

The TDA7385H features a 23-pin configuration, as follows:

1. Mute
2. IN1-
3. IN1+
4. GND
5. OUT1
6. VCC
7. OUT2
8. IN2+
9. IN2-
10. Standby
11. OUT3
12. IN3+
13. IN3-
14. VCC
15. OUT4
16. IN4+
17. IN4-
18. Standby
19. OUT5
20. VCC
21. OUT6
22. IN5-
23. IN5+

Functional Features

• High output power for improved audio performance
• Low distortion and noise levels ensure high-quality sound reproduction
• Thermal protection prevents damage due to excessive heat
• Short-circuit protection safeguards the IC and connected components
• Standby mode for power-saving when not in use

Advantages and Disadvantages

Advantages

• High output power capability enhances audio experience
• Low distortion and noise levels result in clear sound reproduction
• Thermal and short-circuit protection ensure durability and reliability
• Standby mode helps conserve power when not in use

Disadvantages

• Limited to automotive audio applications
• Requires additional components for a complete audio system

Working Principles

The TDA7385H operates on the principle of amplifying low-power audio signals received from the input channels. These amplified signals are then sent to the corresponding output channels, driving the connected speakers with increased power and fidelity.

Detailed Application Field Plans

The TDA7385H is primarily used in automotive audio systems, including car stereos, head units, and amplifiers. It can be integrated into various vehicle models to enhance the audio experience for passengers.

Detailed and Complete Alternative Models

1. TDA7377: Similar audio amplifier IC with lower output power but smaller package size.
2. TDA7850: Higher-output power amplifier IC suitable for premium automotive audio systems.
3. TDA7265: Dual-channel audio amplifier IC with lower output power but compact package.

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

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