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What is TDA7297?

What is TDA7297?

The TDA7297 is a dual bridge amplifier specially designed for TV and Portable Radio applications.

What is a dual bridge amplifier?

The TDA7297 is a popular easy to use audio amplifier IC. The IC is a dual bridge amplifier, meaning it requires both left and right audio input to provide a stereo output. The output is also split into channel 1 and channel 2 each capable of driving 15W speakers.

How does a bridge amplifier work?

To operate an amp in bridged mode, a single input signal enters the amplifier and is split into two identical signals. One has its polarity inverted. The original signal is sent to one channel of the amp and the inverted signal is sent to the other channel.

When should I bridge my amp?

Bridging the channels increases the power output. An amplifier is usually bridged to combine two channels to power one subwoofer, or to combine four channels into powering two subwoofers.

How many watts is 4440 IC?

19 Watts Simple Amplifier Circuit Here IC LA 4440 is wired as a bridge amplifier to deliver a 19 W RMS on a 4 Ohm speaker. The IC has built-in thermal, over-voltage and short circuit protection.