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Motor ICs
NJM3771

Dual Stepper Motor Driver

Features
  • Dual chopper driver
  • 650mA output current per channel
  • Selectable slow/fast current decay for improved highspeedmicrostepping
  • Specially matched to Dual DAC NJU39610
  • Packages (DIP22-D2/SOP24 JEDEC 300 mil(Batwing)/PLCC28-M2)
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.
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJM3771D2download
DIP22-D2
22Pure Sn2370-YesYesNon dry pack--
NJM3771E3download
SOP24 JEDEC 300mil
24Pure Sn715YesYesYesNon dry pack1
NJM3771FM2download
PLCC28-M2
28Pure Sn1200YesYesYesNon dry pack1
Sample & Buy
Part NumberPackagesStatusPacking SpecificationSampleBuy
NJM3771E3SOP24 JEDEC 300mil(Active)
NJM3771FM2PLCC28-M2(Active)
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