RDA Datasheet, RDA PDF. Datasheet search engine for Electronic Components and Semiconductors. RDA data sheet, alldatasheet, free, databook. RDA parts, chips, ic ... The run down adapter (RDA) is designed to provide consistent and reliable torque readings for use with power driven torque control tools. RDA-50i - Rundown Fixture, 50 LB-in / 5.6 Nm, 1/4" Drive - 063972 RDA Microelectronics, Inc. RDA5802N/NS/NM FM Tuner V2.0 The information contained herein is the exclus ive property of RDA and shall not be dist ributed, reproduced, or disclosed in who le or in part without prior written permission of RDA. Page 5 of 29 2.3 Power Supply The RDA5802N integrated one LDO which supplies power to the chip.