LT1237CG#PBFIC TXRX 5V RS232 ADV LOPWR28SSOP|LINEAR TECHNOLOGY|Lead All|RoHS Mixed LT1237CG#PBF LT1237CGIC TXRX 5V RS232 ADV LOPWR28SSOP|LINEAR TECHNOLOGY|Lead All|RoHS Mixed LT1237CG#PBF LT1237CG#TRPBFIC TXRX 5V RS232 ADV LOPWR28SSOP|LINEAR TECHNOLOGY|Lead All|RoHS Mixed LT1237CG#PBF