TPA3005D2PHPR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class D
Output Type:	2-Channel (Stereo)
Max Output Power x Channels @ Load:	6W x 2 @ 8 Ohm
Voltage - Supply:	8.5 V ~ 18 V
Features:	Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	48-HTQFP (7x7)
Package / Case:	48-TQFP Exposed Pad
Base Part Number:	TPA3005

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TPA3005D2PHPR Application Field and Working Principle

The TPA3005D2PHPR is an audio amplifier with a discrete power stage. It combines a high voltage, low noise amplifier with a digitally controlled low impedance output stage in a single integrated package. This makes it well suited for portable audio applications, and as a replacement for traditional Class-D amplifiers.The TPA3005D2PHPR is designed to drive a single loudspeaker with a low distortion amplifier. The device uses low power consumption and good audio characteristics while operating at a supply voltage of up to 5 volts. With a high output current of up to 3A, the TPA3005D2PHPR can drive any speaker, including low impedance speakers.The TPA3005D2PHPR has a very low distortion design, which is ideal for audio processing applications. It also has a low profile, making it great for use in confined spaces where space is a constraint. The device also includes a wide range of digital controls, allowing the user to customize performance from input amplified signals to outputs being driven.The TPA3005D2PHPR is a high performance, cost effective audio amplifier. With its digital controls and low profile design, it is well suited for a wide range of consumer and professional audio applications.

Working Principle

At the heart of the TPA3005D2PHPR lies a differential voltage amplifier. This amplifier maintains a constant output voltage regardless of load changes. The amplifier also has high current capability.The amplifier consists of an N-type and P-type transistor pair, connected in complementary symmetry. The transistors are arranged in a push-pull configuration, with the N-type transistor having the positive collector voltage and the P-type transistor having the negative collector voltage.The amplifier is driven by the input signal, which is applied to the N-type transistor. The P-type transistor is biased at a constant voltage, determined by the quiescent current. When the input signal is larger than the quiescent current, the P-type transistor will saturate.The output voltage is determined by the difference between the two transistors, enabling the amplifier to achieve high output voltages and very low output impedance.The output of the amplifier is filtered with a low-pass filter to reduce any out of band frequency components. The output is then buffered by a low impedance, low distortion output stage.

Applications

The TPA3005D2 PHPR delivers high fidelity audio performance, making it an ideal solution for a wide range of portable audio applications. It is used in wireless headsets, portable multimedia players, car audio systems, and portable sound systems.The low power consumption and low distortion make the TPA3005D2 PHPR suitable for use as a direct replacement for traditional Class-D amplifiers. The device also has a low profile and wide range of digital controls, making it ideal for use in confined spaces.The device can also be used in signal processing applications, such as bass enhancement, voice recognition, and noise cancellation systems. It is also used in a range of non-audio applications, such as power amplifiers, signal boosters, and voltage regulators.

Conclusion

The TPA3005D2PHPR is a high performance, cost effective audio amplifier suitable for a range of audio and non-audio applications. It combines a low power, high performance amplifier with a low profile and wide range of digital controls. This makes the TPA3005D2PHPR ideal for a variety of portable audio applications and as a replacement for traditional Class-D amplifiers.

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