TDA7266D

Product Overview

Category

TDA7266D belongs to the category of integrated circuits (ICs) specifically designed for audio amplification.

Use

The TDA7266D is primarily used as a stereo amplifier in various audio applications, such as home theater systems, multimedia speakers, and car audio systems.

Characteristics

• Power Supply: 8V to 18V
• Output Power: 7W per channel (at 10% THD)
• Total Harmonic Distortion: 0.2% (typical)
• Package Type: Multiwatt15V
• Essence: The TDA7266D is a dual bridge amplifier with a high output power capability and low distortion.

Packaging/Quantity

The TDA7266D is available in a Multiwatt15V package. It is typically sold in reels or tubes containing a specific quantity of ICs, usually ranging from 25 to 100 units per package.

Specifications

• Supply Voltage Range: 8V to 18V
• Quiescent Current: 30mA (typical)
• Input Sensitivity: 150mV (typical)
• Frequency Response: 20Hz to 20kHz
• Standby Function: Yes
• Short-Circuit Protection: Yes
• Thermal Shutdown: Yes

Detailed Pin Configuration

The TDA7266D has a total of 15 pins. Here is the detailed pin configuration:

1. Mute/Standby
2. Non-Inverting Input Channel A
3. Inverting Input Channel A
4. VCC
5. Output Channel A
6. GND
7. Output Channel B
8. VCC
9. Inverting Input Channel B
10. Non-Inverting Input Channel B
11. Bootstrap Capacitor
12. Bootstrap Capacitor
13. Bootstrap Capacitor
14. Bootstrap Capacitor
15. Mute/Standby

Functional Features

• Dual bridge amplifier configuration for stereo output
• Low distortion and high output power capability
• Standby function for power-saving operation
• Short-circuit protection to prevent damage to the IC
• Thermal shutdown feature to protect against overheating

Advantages and Disadvantages

Advantages

• High output power for improved audio performance
• Low distortion ensures high-quality sound reproduction
• Standby function helps conserve power when not in use
• Short-circuit protection prevents damage to the IC
• Thermal shutdown feature protects against overheating

Disadvantages

• Requires an external power supply within the specified voltage range
• Limited output power compared to higher wattage amplifiers

Working Principles

The TDA7266D operates on the principle of amplifying low-power audio signals to a higher power level suitable for driving speakers. It utilizes a dual bridge amplifier configuration, which allows for stereo output. The input audio signal is amplified by the internal circuitry and delivered to the respective output channels.

Detailed Application Field Plans

The TDA7266D finds applications in various audio systems, including: 1. Home theater systems 2. Multimedia speakers 3. Car audio systems 4. Portable audio devices 5. Gaming consoles

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the TDA7266D are: 1. TDA7265 - Similar specifications and pin configuration, but with lower output power. 2. TDA7297 - Higher output power and additional features like volume control and tone adjustment. 3. LM386 - Lower output power, but widely used for simple audio amplification applications.

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

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