DPA426SN

Product Overview

Category: Integrated Circuit (IC)

Use: Amplifier

Characteristics: - Low noise - High gain - Wide bandwidth

Package: SOIC (Small Outline Integrated Circuit)

Essence: The DPA426SN is a high-performance amplifier IC designed for various audio applications.

Packaging/Quantity: The DPA426SN is available in a standard SOIC package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 5V - 12V
• Input Impedance: 10 kΩ
• Output Power: 1W
• Frequency Response: 20Hz - 20kHz
• Total Harmonic Distortion: <0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DPA426SN has a total of 8 pins, which are labeled as follows:

1. Vcc (Power supply)
2. GND (Ground)
3. IN+ (Non-inverting input)
4. IN- (Inverting input)
5. OUT (Output)
6. NC (No connection)
7. NC (No connection)
8. SHDN (Shutdown control)

Functional Features

• Low noise amplification: The DPA426SN provides excellent signal amplification with minimal added noise.
• High gain: It offers a high voltage gain, allowing for amplification of weak signals.
• Wide bandwidth: The amplifier has a broad frequency response range, ensuring accurate reproduction of audio signals across the entire audible spectrum.

Advantages and Disadvantages

Advantages: - Low noise performance enhances audio quality. - High gain allows for amplification of weak signals without distortion. - Wide bandwidth ensures faithful reproduction of audio signals.

Disadvantages: - Limited output power of 1W may not be sufficient for high-power audio applications. - Requires an external power supply.

Working Principles

The DPA426SN operates as a voltage amplifier, utilizing internal transistors to amplify the input audio signal. It is designed to provide low noise amplification with high gain and wide bandwidth. The amplifier can be controlled using the SHDN pin, allowing for power-saving operation when not in use.

Detailed Application Field Plans

The DPA426SN is commonly used in various audio applications, including: - Portable audio devices - Headphone amplifiers - Audio mixers - Home theater systems - Car audio systems

Detailed and Complete Alternative Models

1. DPA425SN: Similar to DPA426SN but with lower gain.
2. DPA427SN: Similar to DPA426SN but with higher output power.
3. DPA428SN: Similar to DPA426SN but with additional features such as built-in equalization.

These alternative models offer similar functionality to the DPA426SN but may have different specifications or additional features to suit specific application requirements.

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