IR4312MTRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class D
Output Type:	2-Channel (Stereo)
Max Output Power x Channels @ Load:	35W x 2 @ 4 Ohm
Voltage - Supply:	10 V ~ 15 V
Features:	Depop, Differential Inputs
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 100°C (TA)
Supplier Device Package:	44-PQFN (7x7)
Package / Case:	44-PowerVFQFN
Base Part Number:	IR4312

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Introduction

The IR4312MTRPBF is a linear amplifier designed to process audio signals and increase the amplitude of the input signal for a number of applications. It is a single-channel, fully differential amplifier offering an optimal level of performance, reliability, and low power consumption.

Applications

The IR4312MTRPBF is primarily used in audio applications, such as amplifying speakers, headphones, sound systems, and car audio. Additionally, it can be used in instrumentation systems requiring high-precision signal amplification. Applications also include imaging systems, medical instruments, industrial monitoring and medical diagnosis.

Features

The IR4312MTRPBF is an advanced high-performance, low-power amplifier designed for reliable performance in a wide range of audio applications. It features a wide signal bandwidth with low noise and low distortion, as well as high output power and high headroom.

• Wide signal bandwidth from 4Hz to 500kHz
• Low noise and low distortion (THD) over extended bandwidth
• High output power of 40W into 8-ohm load
• High headroom (0.5dB down at 20kHz) for clean, undistorted audio
• Differential inputs for greater dynamic range and low distortion
• Single-ended outputs for greater ease of use with standard components
• Low power consumption of 6.25W at 5.5V
• Single power supply design for easy installation and low cost
• High common-mode rejection ratio
• High rail-to-rail outputs

Working Principle

The IR4312MTRPBF is a single differential amplifier with two inputs and two outputs. The device amplifies the difference between the two inputs and outputs the difference at a much larger level. The differential inputs allow the amplifier to reject noise and distortion resulting from external sources.The device operates by using a differential amplifier circuit which includes integrated transistors, operated in their linear region. The transistors are connected in a way to provide a single differential gain stage, with a high open-loop gain.The output of the amplifier is then taken to the inputs of a voltage regulator, which drives the output line, allowing the user to set the desired output voltage according to their needs. The voltage regulator also prevents transients on the output line caused by sudden changes at the output from causing disruption to the system.

Conclusion

The IR4312MTRPBF is an advanced and reliable amplifier designed for a range of audio applications. It offers a wide signal bandwidth with low noise and low distortion, as well as high output power and headroom. Furthermore, it provides for easy installation and low power consumption, making it an ideal choice for a wide range of audio applications.

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