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NJM3771 - DUAL STEPPER MOTOR DRIVER

General Description

especially developed for use in microstepping applications in conjunction with the matching dual DAC (Digital-to-Analog Converter) NJU39610.

Key Features

  • S.
  • Dual chopper driver.
  • 650mA output current per channel.
  • Selectable slow / fast current decay for improved high- speed microstepping.
  • Specially matched to Dual DAC NJU39610.
  • Packages DIP22-D2 / PLCC28-M2 SOP24 JEDEC 300 mil (Batwing) NJM3771FM2 ( PLCC28 ).
  • BLOCK.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NJM3771 DUAL STEPPER MOTOR DRIVER ■ GENERAL DESCRIPTION The NJM3771 is a stepper motor driver, which circuit is especially developed for use in microstepping applications in conjunction with the matching dual DAC (Digital-to-Analog Converter) NJU39610. The NJM3771 contains a clock oscillator, which is common for both driver channels; a set of comparators and flip-flops imple menting the switching control; and two H-bridges with internal recirculation diodes. Voltage supply requirements are +5 V for logic and +10 to +45 V for the motor. Maximum output current is 650 mA per channel.