PAM8403DR-H

The PAM8403DR-H is a high-efficiency, class-D audio amplifier designed for driving speakers in various applications. It features a dual-channel output, providing 3 watts per channel at 4 ohms, with a total power output of 6 watts, making it suitable for portable speakers, televisions, and computer audio systems.
Key specifications include a wide voltage range of 5V to 12V, low total harmonic distortion (THD) of less than 0.1%, and a high signal-to-noise ratio (SNR) of 90 dB, ensuring clear sound quality. The PAM8403DR-H also incorporates built-in over-temperature and short circuit protection, enhancing device reliability.
Its compact size and simple interface make it easy to integrate into various designs, while its efficiency allows for lower heat generation, reducing the need for extensive heat sinks. Overall, the PAM8403DR-H is ideal for DIY audio projects and consumer electronics where power efficiency and sound quality are paramount.

The PAM8403DR-H is a highly efficient digital audio amplifier designed for compact audio applications. Key features include:
1. Output Power: Delivers 3W per channel at 4Ω speakers and 2.5W per channel at 8Ω, providing robust audio output.
2. Class D Amplifier: Utilizes Class D technology for high efficiency (up to 90%), reducing heat generation and power consumption.
3. Low Noise and Distortion: Offers low total harmonic distortion (THD) and noise levels, ensuring high-quality audio reproduction.
4. Wide Supply Voltage Range: Operates efficiently with a power supply range of 5V to 12V.
5. Built-in Volume Control: Includes a digital volume control function for easy adjustment.
6. Thermal and Short-Circuit Protection: Features built-in protections to enhance reliability and safety during operation.
7. Compact Size: The small package dimensions make it suitable for space-constrained applications like portable speakers and DIY audio projects.
Overall, the PAM8403DR-H is ideal for low-power audio applications, offering great performance in a compact form factor.

The PAM8403DR-H is available in a SOT-23-5 package type. This compact, surface-mount package is designed for efficient space utilization in electronic applications.

The PAM8403DR-H is a Class D audio amplifier IC with a total of 16 pins. Its pin configuration and functions are as follows:
1. VDD (Pin 1): Power supply input (typically +5V).
2. GND (Pin 2): Ground connection.
3. INL (Pin 3): Left audio input.
4. INR (Pin 4): Right audio input.
5. VREF (Pin 5): Reference voltage output.
6. LOUT (Pin 6): Left audio output.
7. ROUT (Pin 7): Right audio output.
8. MUTE (Pin 8): Mute control input.
9. RCS (Pin 9): Right channel current sense.
10. LCS (Pin 10): Left channel current sense.
11. NC (Pins 11, 12, 13): No connection.
14. AGND (Pin 14): Analog ground.
15. VBIAS (Pin 15): Bias voltage.
16. COMP (Pin 16): Compensation for stability.
This amplifier supports a high efficiency of around 90% and is suitable for driving small speakers in portable audio applications.

The PAM8403DR-H is manufactured by PAM Technology, a company specializing in audio amplifier solutions and other semiconductor products. PAM Technology is known for its focus on innovative power management and audio amplification technologies. They cater primarily to the consumer electronics market, providing high-efficiency audio amplifiers for applications like portable speakers, televisions, and other multimedia devices. Their products are recognized for their compact design and energy efficiency, making them suitable for a wide range of electronic applications.

The PAM8403DR-H is a Class-D audio amplifier commonly used in portable speaker systems, TV soundbars, mini audio devices, and computer speakers. Its compact design and efficiency make it suitable for battery-powered applications. It is also applied in DIY audio projects, personal electronics, and small home audio setups due to its ease of integration and low power consumption.

Equivalent products to the PAM8403DR-H chip include the TDA7492P, LM1875, and MAX9744. These chips are also audio amplifiers with similar power output and specifications. Other alternatives may include the TP4056 and MAX9743, depending on specific application needs. Always check datasheets for compatibility and performance characteristics.