BD429B

Device Engineering Incorporated 385 E. Alamo Drive Chandler, AZ 85225 Phone: (480) 303-0822 Fax: (480) 303-0824 E-mail: [email protected] BD429/BD429A/BD429B/BD429C ARINC 429/RS-422 Line Driver Integrated Circuit www.DataSheet4U.com Features: ARINC 429 Line Driver for HI speed (100 kHz) and LOW speed (12.5 kHz) data rates Pin for Pin replacement part for industry standard ARINC 429 Line Drivers Available in a 16 Pin SOIC (WB), 16 Pin CERDIP, 16 Pin Plastic Dip, 16 Lead Ceramic SOP, 28L CLCC and 28L PLCC Low EMI RS-422 line driver mode for data rates up to 100 kHz Adjustable slew rates via two external capacitors Inputs are TTL and CMOS compatible Low quiescent power of 125mW (typical) Programmable output differential range via VREF pin Outputs are fused for failsafe overvoltage protection Drives full ARINC load of 400Ω and 30,000pF Extended (-55°C/+85°C) and Military (-55°C/+125°C) temperature ranges 100% Final Testing Figure 1: BD429 Block Diagram © 2008 Device Engineering Incorporated Page 2 of 14 DS-MW-00429-01 Rev. C 8/1/08 General Description: The BD429 ARINC Line Driver Circuit is a bipolar monolithic IC designed to meet the requirements of several general aviation serial data bus standards. These include the differential bipolar RZ types such as ARINC 429, ARINC 571, and ARINC 575, as well as the differential NRZ types such as the RS-422 standard. Functional Description: Modes: The BD429 operates in either a 429 mode or a 422 mode as con...