NJU39610FM2 Nisshinbo

Designated client product This product will be discontinued its production in the near term. And it is provided for customers currently in use only, with a time limit. It can not be available for your new project. Please select other new or existing products. For more information, please contact our sales office in your region. New Japan Radio Co.,Ltd. www.njr.com NJU39610 MICROSTEPPING MOTOR CONTROLLER WITH DUAL DAC n GENERAL DESCRIPTION n PACKAGE OUTLINE NJU39610 is a dual 7-bit+sign, Digital-to-Analog Converter (DAC) especially developed to be used together with the NJM3771, Precision Stepper Motor driver in micro-stepping applications. The NJU39610 has a set of input registers connected to an 8-bit data port for easy interfacing directly to a microprocessor. The NJU39610 is well suited for high- speed micro-stepping application. NJU39610D2 NJU39610FM2 n FEATURES Analog control voltages from 3 V down to 0.0 V High-speed microprocessor interface Automatic fast/slow current decay control Full-scale error 1 LSB Fast conversion speed 3 m s Matches NJM3771 Packages DIP22/PLCC28 n BLOCK DIAGRAM V V DD Ref NJU39610 DA- Data 1 WR Sign 1 E C D E1 E E1 CD Digit R 1 C Comp CS Level 1 D E DA 1 C R D / A E2 D A0 R Level 2 E3 E DA 2 C D / A D A1 E4 E CD Digit 2 R E4 C Comp DA- Data 2 D7 - D0 D E R C Sign 2 D R POR RESET R V ss Figure 1. Block Diagram