TS4890IQT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Class AB
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	1W x 1 @ 8 Ohm
Voltage - Supply:	2.5 V ~ 5.5 V
Features:	Depop, Standby, Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	8-DFN (3x3)
Package / Case:	8-VFDFN Exposed Pad
Base Part Number:	TS4890

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Introduction

The TS4890IQT is a powerful, output and type linear amplifier developed by Toshiba for applications in the audio field. It is a high-performance device with low distortion, high linearity and low noise levels. The TS4890IQT is suitable for a variety of audio applications including sound reinforcement, live sound, professional studio and home recording, broadcast and entertainment, mixing consoles, power amplifiers and personal sound systems.

Features

One of the main features of the TS4890IQT amplifier is its high power output of up to 500W into 4 ohms. This makes it an ideal choice for driving a wide range of speakers and amplifiers. It is also one of the few amplifiers in the market that provides a minimum THD (Total Harmonic Distortion) of less than 0.1%. This ensures a clean and clear sound with minimal distortion. Other notable features of the amplifier include its low noise operation and its compact size which makes it well suited for installation in small spaces.

Applications

The TS4890IQT isn\'t just limited to audio applications. It has several other applications in different fields as well. These include automotive audio systems, computing, military and aerospace, instrumentation, medical and industrial.In automotive audio systems, the TS4890IQT is used to build subwoofers, sound bars and car amplifiers. Its high power output and low distortion make it an ideal choice for these applications.In the computing field, the amplifier can be used in computer gaming applications, such as sound cards and sound systems. It can also be used to power laptop and desktop speakers.In the military and aerospace fields, the TS4890IQT can be used in applications such as avionics, telemetry and missile guidance systems.In the instrumentation field, the amplifier can be used to build oscilloscopes, pressure gauges, vibration meters, temperature sensors and other types of instrumentation.In the medical field, the amplifier can be used in patient monitoring systems, patient communication systems and hearing aids.In the industrial field, the amplifier can be used in automated systems as well as industrial process control systems.

Working Principle

The TS4890IQT isa high-power linear amplifier which employs Class D technique for power amplification. The output of the amplifier is a high-quality, distortion-free signal produced by a switching mode power supply that is driven by PWM (Pulse Width Modulation).In its most basic form, the amplifier operates by taking in a signal, amplifying it and then outputting a new signal with increased voltage and current. The amplifier uses two main components: an input stage and an output stage. The input stage consists of a differential amplifier, a low pass filter and a voltage amplifier. The output stage consists of a power switch and a low pass filter.The amplifier takes the input signal and amplifies it by a series of stages. First, the input stage amplifies the signal by a gain of amplification. This is followed by the power switch and low pass filter in the output stage, which further increase the voltage and current of the signal. This amplified signal is then output, ready for use in a power amplifier for a speaker, for example.

Conclusion

The TS4890IQT is a powerful linear amplifier developed by Toshiba for applications in the audio field. Its high power output, low distortion and low noise levels make it an ideal choice for a variety of audio applications, as well as other applications including automotive audio systems, computing, military and aerospace, instrumentation, medical and industrial. The TS4890IQT employs Class D technique for power amplification and consists of an input stage and an output stage, which amplify a signal and increase its voltage and current before outputting it, ready for use.

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