TAS3251DKQR

• Class-D Audio Power Amplifier
• 56-Pin HSSOP Package
• 18.41mm by 7.49mm Body with a 2.79mm Height
• Switching Output stage, No Large Heatsink Required at Rated Power
• In Production at the Manufacturer

The Texas Instruments TAS3251DKQR is a Class-D audio power amplifier supplied in a 56-pin HSSOP measuring 18.41mm by 7.49mm with a 2.79mm height. Per the product title it is a two-channel device rated 175W per channel in stereo or 350W in a mono bridge-tied configuration. Class-D amplification switches the output devices rather than operating them linearly, which is what makes this power level achievable without a large heatsink. Two record notes: RoHS is marked Non-Compliant, which is unusual for a part in current production and should be verified against the manufacturer declaration, and the record holds only eight attributes - all mechanical - with no supply voltage, output power, channel count, load impedance or distortion data at all.

High-power Class-D amplifiers drive the speakers in active and powered loudspeakers, soundbars and home theatre systems, subwoofers, commercial and installed audio, DJ and portable PA equipment, and premium multi-room and networked audio products. The bridge-tied mono option is what lets one device drive a subwoofer channel at roughly double its stereo rating, so a single part number can serve both the satellite and the subwoofer positions across a product family. Class-D is chosen at these power levels because the efficiency keeps the heatsink, the power supply and therefore the enclosure far smaller than a linear amplifier would permit. Buyers should confirm both the RoHS status and the full electrical specification against the datasheet, since this catalog record carries no electrical data whatsoever.