Key features that matter on the bench
The part includes depop circuitry that suppresses power-up and power-down clicks — a practical concern when the amplifier shares a supply with a processor that may cycle during firmware updates. Differential inputs reject common-mode noise picked up on long PCB traces or ribbon cables. Short-circuit and thermal protection let the output survive a momentary short to ground without latching up or cooking the die. The shutdown pin allows the amplifier to be disabled, dropping quiescent current to near zero for battery conservation.
Lifecycle and sourcing reality
The TPA6132A2RTET is listed as Active with ROHS3 compliance. It is a current-production part suitable for new designs and ongoing BOM lines.