TDA7498LTR audio ic

by Erin Tse Avaq Semiconductor

Audio Amp Speaker 2-CH Stereo 80W Class-D 36-Pin PowerSSO EP T/R

Recommended Features

100W+100WoutputpoweratTHD=10%withRL=6andVCC=36V
80W+80WoutputpoweratTHD=10%withRL=8andVCC=34V
Wide-rangesingle-supplyoperation(14-39V)
Highefficiency(=90%)
Fourselectable,fixedgainsettingsofnominally25.6 dB,31.6 dB,35.1dBand37.6 dB

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Review on TDA7498LTR audio ic

TDA7498 is aThe TDA7498 is a dual BTL class-D audio amplifier with single power supply designed for home systems and active speaker applications.It comes in a 36-pin PowerSSO package with exposed pad up (EPU) to facilitate mounting a separate heatsink.

Pros:

Efficiency: Class-D amplifiers like the TDA7498 are known for their high efficiency compared to traditional Class-AB amplifiers. This means they waste less power as heat and provide more power to the speakers.

Compact Design: The TDA7498 is offered in a compact package, making it suitable for space-constrained applications.

Power Output: The TDA7498 is capable of delivering a significant amount of power to the speakers, allowing for loud and clear audio playback.

Low Distortion: Class-D amplifiers are generally known for their low distortion characteristics, resulting in cleaner audio output.

Thermal Protection: The IC typically includes built-in thermal protection circuits to prevent overheating and potential damage to the amplifier.

Flexible Power Supply Voltage: The TDA7498 can operate over a range of supply voltages, making it adaptable to various power supply configurations.

Cons:

Complexity: Designing with Class-D amplifiers can sometimes be more complex compared to simpler amplifier designs due to factors like switching noise and layout considerations.

Sound Quality: While Class-D amplifiers have improved significantly over the years, some audiophiles may argue that traditional Class-AB amplifiers still offer a slightly better sound quality in certain scenarios.

External Components: Like any amplifier design, the TDA7498 might require external components such as input and output capacitors, inductors, and resistors, which can add to the overall component count and cost.

Limited Analog Inputs: Depending on the specific model or version of the TDA7498, the number of analog inputs might be limited.