AN17808B

Product Overview

Category

AN17808B belongs to the category of integrated circuits (ICs).

Use

It is primarily used as an audio power amplifier.

Characteristics

• AN17808B is a monolithic integrated circuit with a built-in dual channel power amplifier.
• It operates on a wide range of power supply voltages, making it suitable for various applications.
• The IC has a compact size and low power consumption.
• It offers high output power and excellent audio quality.

Package

AN17808B is available in a small outline package (SOP) or a dual in-line package (DIP).

Essence

The essence of AN17808B lies in its ability to amplify audio signals efficiently and deliver high-quality sound output.

Packaging/Quantity

AN17808B is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Power Supply Voltage: 6V - 15V
• Output Power: 2.5W per channel (at 9V, 4Ω)
• Total Harmonic Distortion: 0.1% (at 1W, 1kHz)
• Frequency Response: 20Hz - 20kHz
• Standby Current: 0.5mA (typical)

Detailed Pin Configuration

AN17808B features a 9-pin configuration:

1. VCC (Power Supply)
2. GND (Ground)
3. IN1- (Input Channel 1 Negative)
4. IN1+ (Input Channel 1 Positive)
5. OUT1 (Output Channel 1)
6. IN2- (Input Channel 2 Negative)
7. IN2+ (Input Channel 2 Positive)
8. OUT2 (Output Channel 2)
9. NC (No Connection)

Functional Features

• Dual channel audio power amplification
• Wide operating voltage range
• Low standby current consumption
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High output power capability
• Compact size
• Low power consumption
• Excellent audio quality
• Protection features ensure device safety

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Not suitable for high-power audio applications

Working Principles

AN17808B operates as a class AB amplifier, utilizing a push-pull configuration. It amplifies the input audio signals and delivers amplified output to the connected speakers or headphones. The IC incorporates protection mechanisms to prevent damage from short circuits and overheating.

Detailed Application Field Plans

AN17808B finds application in various audio systems, including: - Portable speakers - Headphone amplifiers - Car audio systems - Home theater systems - Multimedia devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AN17808B are: - TDA2030A - LM386 - TPA3116D2 - STA540 - MAX9744

These models offer similar functionality and can be used as substitutes based on specific requirements.

In conclusion, AN17808B is an integrated circuit audio power amplifier with excellent performance characteristics. Its compact size, low power consumption, and high-quality audio output make it suitable for various audio applications. However, its limited output power may restrict its use in high-power audio systems.