Texas Instruments

TPA112DGN

TPA112DGN Description

The TPA112DGN is a Class AB audio amplifier from Texas Instruments, designed to deliver high-quality audio performance in a compact surface-mount package. This amplifier is capable of providing a maximum output power of 70mW per channel into an 8-ohm load, making it suitable for a variety of low-power audio applications. The TPA112DGN operates within a supply voltage range of 2.5V to 5.5V, ensuring compatibility with a wide range of power supplies and system designs.

This amplifier is housed in an 8-MSOP package, which is ideal for surface-mount technology (SMT) applications, allowing for efficient integration into modern PCB designs. The TPA112DGN is classified under the ECCN code EAR99 and is REACH unaffected, ensuring compliance with international trade and environmental regulations. Additionally, it is RoHS3 compliant, meeting the latest standards for environmental sustainability and hazardous substance restrictions.

TPA112DGN Features

• Class AB Amplifier: The TPA112DGN features a Class AB topology, which offers a balance between efficiency and audio performance. This design minimizes crossover distortion while maintaining high audio fidelity.
• High Output Power: With a maximum output power of 70mW per channel into an 8-ohm load, the TPA112DGN is capable of driving small to medium-sized speakers with clarity and power.
• Wide Supply Voltage Range: The amplifier operates within a supply voltage range of 2.5V to 5.5V, providing flexibility in power supply options and compatibility with various system architectures.
• Surface Mount Packaging: The 8-MSOP package is designed for surface-mount technology, facilitating easy integration into compact and high-density PCB designs.
• Compliance and Standards: The TPA112DGN is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the TPA112DGN is suitable for use in environments with varying humidity levels without the need for special handling or storage conditions.

TPA112DGN Applications

The TPA112DGN is well-suited for a variety of applications where high-quality audio output is required in a compact form factor. Some specific use cases include:

• Portable Audio Devices: Ideal for small form-factor devices such as portable speakers, Bluetooth speakers, and compact audio systems where space is limited but audio quality is paramount.
• Consumer Electronics: Suitable for use in a range of consumer electronics, including smartphones, tablets, and other handheld devices that require efficient and high-quality audio amplification.
• Automotive Applications: The TPA112DGN can be used in automotive infotainment systems, providing clear audio output for dashboard speakers and other in-car audio components.
• Industrial and Commercial Audio: In scenarios where compact and efficient audio amplification is needed, such as in point-of-sale systems, kiosks, and other commercial applications.

Conclusion of TPA112DGN

The TPA112DGN from Texas Instruments is a versatile and high-performance Class AB audio amplifier that offers a balance of power, efficiency, and audio quality. Its compact surface-mount package, wide supply voltage range, and compliance with environmental standards make it an ideal choice for a variety of applications, from portable audio devices to automotive and industrial systems. While the TPA112DGN is now considered obsolete, it remains a reliable and effective solution for designers and engineers looking to integrate high-quality audio amplification into their projects.