TDA7491MV13TR Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class D
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	25W x 1 @ 6 Ohm
Voltage - Supply:	5 V ~ 18 V
Features:	Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	PowerSSO-36 EPD
Package / Case:	36-BFSOP (0.295", 7.50mm Width) Exposed Pad
Base Part Number:	TDA7491

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IntroductionThe TDA7491MV13TR is an integrated linear amplifier used in audio applications. It has an integrated amplifier circuit composed of five stages, consisting of an input stage, two intermediate stages and an output stage. It is a very versatile amplifier which is used in many different applications and has a variety of working principles.Overview of the TDA7491MV13TRThe TDA7491MV13TR is a linear amplifier designed for audio applications. It consists of the input, two intermediate and the output stages. It is a single-ended, two channel amplifier for bridged use. The input stage is a differential amplifier that provides a high input impedance and low distortion levels for a given supply voltage. The two intermediate stages are differential amplifiers with a split load as output. This double amplifier configuration gives the TDA7491MV13TR good differential gain, low cross talk and good output linearity. The output stage is a low noise, high output current transconductance amplifier.Application Fields of the TDA7491MV13TRThe TDA7491MV13TR is an ideal amplifier solution for audio applications. It can be used in car stereo systems, home theater systems, portable audio systems, professional audio equipment, and recording and broadcasting equipment. In car stereo systems, the TDA7491MV13TR amplifier can provide loud and clear sound. In home theater systems, it can be used to create a surround sound experience that is higher in quality than conventional stereo sound.In portable audio systems, the TDA7491MV13TR can provide clear and powerful sound. In professional audio equipment, the amplifier can be used for high power, dedicated applications such as PA systems and recording studios. The amplifier can also be used for loudspeaker systems in commercial establishments such as restaurants and clubs.Working Principle of the TDA7491MV13TRThe working principle of the TDA7491MV13TR is based on the five stages of the amplifier. The input stage is a differential amplifier which provides a high input impedance and low distortion levels for a given supply voltage. The two intermediate stages are differential amplifiers with a split load as output. This double amplifier configuration gives the TDA7491MV13TR good differential gain, low cross talk and good output linearity. The output stage is a low noise, high output current transconductance amplifier.The differential amplifier configuration of the TDA7491MV13TR amplifier allows it to provide high gain and low distortion levels. The transconductance amplifier provides high output current, which allows the amplifier to drive low impedance loads and provide higher power output for a given voltage.The TDA7491MV13TR also features a thermal shutdown circuit which will shut down the amplifier in the event of an over-temperature condition. This ensures that the amplifier is protected in the event of sustained overload and ensures longevity of the amplifier.ConclusionThe TDA7491MV13TR is an integrated linear amplifier used in audio applications. It has an integrated amplifier circuit composed of five stages, consisting of an input stage, two intermediate stages, and an output stage. It is a very versatile amplifier which is used in many different applications and has a variety of working principles, such as the differential amplifier configuration, high gain, and low distortion levels. In addition, the transconductance amplifier provides high output current for driving low impedance loads and for providing higher power output for a given voltage. The thermal shutdown circuit also provides protection from possible overloads which can drastically reduce the lifespan of the amplifier.

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