DM2502 Datasheet | National Semiconductor

DM2502 DM2503 DM2504 Successive Approximation Registers November 1995 DM2502 DM2503 DM2504 Successive Approximation Registers General Description The DM2502 DM2503 and DM2504 are 8-bit and 12-bit TTL registers designed for use in successive approximation A D converters These devices contain all the logic and control circuits necessary in bination with a D A converter to perform successive approximation analog-to-digital conversions The DM2502 has 8 bits with serial capability and is not expandable The DM2503 has 8 bits and is expandable without serial capability The DM2504 has 12 bits with serial capability and expandability All three devices are available in ceramic DIP ceramic flatpak and molded Epoxy-B DIPs The DM2502 DM2503 and DM2504 operate over b55 C to a 125 C the DM2502C DM2503C and DM2504C operate over 0 C to a 70 C Features Y Y Y Y Y Y Y plete logic for successive approximation A D converters 8-bit and 12-bit registers Capable of short cycle or expanded operation Continuous or start-stop operation patible with D A converters using any logic code Active low or active high logic outputs Use as general purpose serial-to-parallel converter or ring counter Logic Diagram Connection Diagrams (Dual-In-Line and Flat Packages) DM2502 DM2503 DM2504 TL F 5702 - 1 Order Number DM2502J DM2502CJ DM2503J or DM2503CJ See NS Package J16A Order Number DM2502CN or DM2503CN See NS Package N16A Order Number DM2502W DM2502CW DM2503W or DM2503CW See NS Package W16A Order Number DM2504F or DM2504CJ See NS Package F24D Order Number DM2504J or DM2504CJ See NS Package J24A Order Number DM2504CN See NS Package N24A C1995 National Semiconductor Corporation TL F 5702 RRD-B30M115 Printed in U S...