TPA731DGN

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Class AB
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	700mW x 1 @ 8 Ohm
Voltage - Supply:	2.5 V ~ 5.5 V
Features:	Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	8-MSOP-PowerPad
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Base Part Number:	TPA731

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Introduction

The TPA731DGN is a voltage-feedback audio amplifier with integrated Feedback and output stages from Texas Instruments. It is ideal for a range of audio applications, from high-end audio to portable media players and automotive audio systems. This article will look at the application fields and working principle of TPA731DGN.

Audio Applications

The TPA731DGN is a Class-D amplifier that utilizes a charge-density modulation technique to ensure high efficiency and long battery life. The amplifier can operate at up to 95% efficiency, making it ideal for portable audio applications such as personal media players and mobile phones.The TPA731DGN has a low-noise performance that is ideal for high-end audio applications such as amplifiers for home theater systems. It has an integrated feedback network that ensures the low-noise performance is maintained throughout the entire audio sound range.The TPA731DGN combines high power output, excellent audio clarity, and low operating current to make it an ideal choice for automotive audio systems. It can be used as a single-ended power amplifier, making it an ideal choice for in-car audio systems.

Working Principle

The TPA731DGN operates in a voltage-feedback mode to ensure that audio signals are faithfully reproduced. Voltage feedback amplifiers are known for their low-noise operation and wide bandwidth, making them ideal for audio applications.The TPA731DGN uses an integrated feedback network to ensure that the output stage always operates within its linear operating range. This ensures that distortion is minimized as much as possible.The amplifier is designed to operate over a wide temperature range, ensuring reliable performance in a variety of operating conditions. The amplifier can be used in applications that require large amounts of output power, such as for high-end audio systems.

Conclusion

The Texas Instruments TPA731DGN is a voltage-feedback audio amplifier with integrated feedback and output stages that makes it ideal for a wide range of audio applications. Its low noise performance and wide operating temperature range make it an excellent choice for high-end audio, automotive audio systems, and portable media players. Its charge-density modulation technique ensures high efficiency, making it an ideal choice for portable audio applications.

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