DF2138AFA20V

Product Overview

• Category: Electronic Component
• Use: Power Amplifier
• Characteristics: High power output, low distortion, wide frequency range
• Package: Surface Mount Device (SMD)
• Essence: Amplifies electrical signals to increase power output
• Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

• Operating Voltage: 3.3V
• Frequency Range: 20Hz - 20kHz
• Power Output: 10W
• Distortion: <1%
• Gain: 30dB
• Input Impedance: 50 ohms
• Output Impedance: 8 ohms

Detailed Pin Configuration

The DF2138AFA20V has a total of 6 pins:

1. Pin 1: VCC (Power Supply)
2. Pin 2: GND (Ground)
3. Pin 3: IN+ (Positive Input)
4. Pin 4: IN- (Negative Input)
5. Pin 5: OUT (Output)
6. Pin 6: NC (No Connection)

Functional Features

• High power output for efficient amplification
• Low distortion ensures accurate signal reproduction
• Wide frequency range allows for versatile applications
• Surface mount package for easy integration into circuit boards
• Suitable for audio amplification in various electronic devices

Advantages and Disadvantages

Advantages: - High power output enables driving speakers with ease - Low distortion results in high-quality audio reproduction - Wide frequency range accommodates different audio sources - Compact surface mount package saves space in circuit designs

Disadvantages: - Requires external components for proper biasing and filtering - Limited output impedance options may not be suitable for all speaker configurations - Higher cost compared to lower power amplifiers

Working Principles

The DF2138AFA20V is a class AB power amplifier that operates by amplifying the input audio signal using a combination of transistors and biasing circuits. The amplified signal is then delivered to the output pin, which is connected to the load (e.g., a speaker). The amplifier's working principle involves converting the low-power input signal into a higher-power output signal while maintaining fidelity and minimizing distortion.

Detailed Application Field Plans

The DF2138AFA20V is commonly used in the following applications:

1. Home Audio Systems: Provides amplification for speakers in stereo systems or home theaters.
2. Automotive Audio Systems: Enhances sound quality and volume in car audio setups.
3. Portable Speakers: Amplifies audio signals for portable devices like Bluetooth speakers.
4. Professional Audio Equipment: Used in amplifiers for live performances, concerts, and recording studios.

Detailed and Complete Alternative Models

1. DF2138BFA20V: Similar specifications but with higher power output (20W).
2. DF2138CFA20V: Lower power output (5W) but with lower distortion (<0.5%).
3. DF2138DFA20V: Higher gain (40dB) for applications requiring additional amplification.

These alternative models offer different trade-offs in terms of power, distortion, and gain, allowing users to choose the most suitable option for their specific requirements.

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