NJU39612E2-TE2

Overview

The NJU39612E2-TE2 is a dual 7-bit plus sign Digital-to-Analog Converter (DAC) designed for microstepping applications with dual stepper motor drivers. It features an 8-bit data port interface for direct microprocessor connection, utilizing two registers to store data for each DAC with the eighth bit serving as a sign bit in sign/magnitude coding. The device provides analog control voltages ranging from 3V down to 0.0V and offers a full-scale error of ±1 LSB. It achieves fast conversion speeds of 3 µs and operates within an EMP20 package.

Feature Summary

• Dual 7-bit plus sign digital-to-analog converter architecture optimized for microstepping motor control
• Direct microprocessor interfacing capability via an 8-bit data port with dedicated input registers
• Sign/magnitude coding support allowing analog control voltage adjustment from 3V down to 0.0V

Applications

• Microstepping motor controller systems
• Dual stepper motor driver signal generation
• Precision motion control electronics

Procurement Notes

Verify the specific suffix E2-TE2 against official Nisshinbo Micro Devices documentation to confirm tape-and-reel packaging specifications and environmental compliance status. Ensure that the EMP20 package variant matches the intended PCB footprint requirements. Cross-reference the part number with current datasheets to validate any revisions or obsolescence notices prior to procurement.

Selection Notes

Select this component when designing systems requiring precise analog voltage generation for dual stepper motor microstepping. The 3 µs conversion speed and ±1 LSB accuracy make it suitable for high-performance motion control. Consider the direct 8-bit microprocessor interface for simplified system architecture. Verify that the required analog voltage range of 3V to 0.0V aligns with the driver circuit specifications.

Part Context

The NJU39612 belongs to the NJU3961 series of microstepping motor controllers manufactured by Nisshinbo Micro Devices. This series integrates dual DAC functionality to work in conjunction with dual stepper motor drivers, providing a compact solution for precision positioning applications. The device represents a specialized analog-digital interface component within the company's broader motor control portfolio.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Nisshinbo Micro Devices resources for potential cross-reference alternatives.