Texas Instruments - Part Numbers

LM48557UR/NOPB IC, Mono, Bridge-Tied Load, Ceramic Speaker Driver
LM48557UR/NOPB.A IC, Mono, Bridge-Tied Load, Ceramic Speaker Driver
LM48557URX/NOPB IC, Mono, Bridge-Tied Load, Ceramic Speaker Driver
LM48557URX/NOPB.A IC, Mono, Bridge-Tied Load, Ceramic Speaker Driver

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