PAM8403DR

The PAM8403DR is a high-efficiency, Class-D audio amplifier designed for driving small speakers in portable and embedded applications. It operates on a voltage range of 5V to 12V and can deliver up to 3W per channel at 4 ohms, making it suitable for battery-powered devices. Features include low total harmonic distortion (THD), minimal noise, and a built-in thermal protection mechanism, which ensures reliable performance under varying conditions.
The amplifier employs a digital PWM (Pulse Width Modulation) technique, which allows for high efficiency (up to 90%) and reduces heat generation compared to traditional amplifiers. The PAM8403DR also supports stereo outputs, making it ideal for projects such as portable speakers, televisions, or small audio systems.
With an easy-to-use pin configuration, it can be integrated into various designs without complex circuitry. Its compact size and robust performance make it a popular choice among hobbyists and engineers alike for audio amplification needs.

The PAM8403DR is a Class-D audio amplifier known for its compact design and high efficiency. Key features include:
1. Output Power: Delivers 3W per channel at a 4Ω load and 2.5W at 8Ω, making it suitable for various audio applications.
2. Low Distortion: Offers low total harmonic distortion (THD) at around 0.1%, ensuring clear audio quality.
3. Wide Voltage Range: Operates on a power supply range from 5V to 12V, providing versatility in different applications.
4. High Efficiency: Achieves over 90% efficiency, reducing heat generation and extending battery life in portable devices.
5. Built-in Short-Circuit Protection: Enhances reliability and safety by preventing damage under short-circuit conditions.
6. Stereo Output: Supports stereo audio output, ideal for driving speakers in multimedia applications.
7. Compact Size: Available in a small package, allowing easy integration into space-constrained designs.
These features make the PAM8403DR a popular choice for DIY audio projects, portable speakers, and other multimedia applications.

The PAM8403DR is typically offered in a SOP-16 (Small Outline Package) package type. This surface-mount package is designed for efficient heat dissipation and compact circuit design, suitable for applications in audio amplification.

The PAM8403DR is a low-power, Class D audio amplifier, typically housed in a 16-pin package. Its pin count and functions are as follows:
1. VDD (Pin 1): Power supply.
2. GND (Pin 2): Ground.
3. INL (Pin 3): Left audio input.
4. INR (Pin 4): Right audio input.
5. LOUT (Pin 5): Left audio output.
6. ROUT (Pin 6): Right audio output.
7. COMP (Pin 7): Compensation capacitor connection.
8. NC (Pin 8): No connection.
9. PGND (Pin 9): Power ground.
10. VREF (Pin 10): Reference voltage.
11. MUTE (Pin 11): Mute control.
12. STBY (Pin 12): Standby control.
13. VDD (Pin 13): Power supply (duplicate).
14. LOUT (Pin 14): Left audio output (duplicate).
15. ROUT (Pin 15): Right audio output (duplicate).
16. NC (Pin 16): No connection.
This amplifier is commonly used in small audio applications due to its efficiency and compact size.

The PAM8403DR is manufactured by PAM (Power Amplifier Module), a company specializing in audio amplifier solutions. PAM is known for producing a range of integrated circuits for audio applications, particularly focusing on power amplifiers for consumer electronics, such as speakers and sound systems. The PAM8403 is a compact, high-efficiency class D audio amplifier that is popular in various DIY projects and commercial audio products due to its low power consumption and good sound quality. PAM primarily serves the electronics industry, providing components that enhance audio performance in a variety of devices.

The PAM8403DR is a Class D audio amplifier commonly used in portable speakers, television sets, computer audio systems, and DIY audio projects. Its compact size, efficiency, and low power consumption make it ideal for battery-powered devices, such as mobile speakers and soundbars. Additionally, it is suitable for applications in toys and consumer electronics where space is limited and high-quality audio output is desired.

Equivalent products to the PAM8403DR chip include the TPA3110, TPA3116, and LM1875. These audio amplifier chips provide similar functionality, low power consumption, and class D amplification. Additionally, the MAX9744 and MAX9742 are also alternatives, offering comparable performance in compact designs.