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NJM3774D2 - DUAL STEPPER MOTOR DRIVER

This page provides the datasheet information for the NJM3774D2, a member of the NJM3774 DUAL STEPPER MOTOR DRIVER family.

Datasheet Summary

Description

The NJM3774 is a switch-mode (chopper), constantcurrent driver with two channels: one for each winding of a two-phase stepper motor.

The NJM3774 is equipped with a TTL level compatible Disable input to simplify half-stepping operation.

Features

  • Dual chopper driver.
  • 1000 mA continuous output current per channel.
  • Specially matched to the Dual DAC NJU39610.
  • Packages DIP22 / PLCC28 s BLOCK.

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Datasheet preview – NJM3774D2

Datasheet Details

Part number NJM3774D2
Manufacturer New Japan Radio
File Size 161.82 KB
Description DUAL STEPPER MOTOR DRIVER
Datasheet download datasheet NJM3774D2 Datasheet
Additional preview pages of the NJM3774D2 datasheet.

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Full PDF Text Transcription

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NJM3774 DUAL STEPPER MOTOR DRIVER s GENERAL DESCRIPTION The NJM3774 is a switch-mode (chopper), constantcurrent driver with two channels: one for each winding of a two-phase stepper motor. The NJM3774 is equipped with a TTL level compatible Disable input to simplify half-stepping operation. The circuit is well suited for microstepping applications together with the matching dual DAC NJU39610. In full/half stepping applications, the NJM3517 can be used as a phase generator (translator) to derive the necessary signals for the NJM3774. The NJM3774 contains a clock oscillator, which is common for both driver channels, a set of comparators and flip-flops implementing the switching control, and two output H-bridges. Voltage supply requirements are +5 V for logic and +10 to +45 V for the motor.
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