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NJM3771

Features: •Dual chopper driver•650 mA output current per channel•Selectable slow/fast current decay for improved high- speed microstepping•Specially matched to Dual DAC NJU39610•Packages DIP22 / EMP24(Batwing) / PLCC28PinoutSpecifications Parameter Pin no. (DIP)...

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SeekIC No. : 004434230 Detail

NJM3771: Features: •Dual chopper driver•650 mA output current per channel•Selectable slow/fast current decay for improved high- speed microstepping•Specially matched to Dual DAC NJU39...

NJM3771 Data Sheet

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Part Number:
NJM3771
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

•Dual chopper driver
•650 mA output current per channel
•Selectable slow/fast current decay for improved high-
  speed microstepping
•Specially matched to Dual DAC NJU39610
•Packages   DIP22 / EMP24(Batwing) / PLCC28


Pinout

Connection Diagram Connection Diagram


Specifications

Parameter Pin no. (DIP) Symbol Min Max Unit
Voltage          
Logic supply 11 VCC 0 7 V
Motor supply 3, 20 VMM 0 45 V
Logic inputs 7, 8, 15, 16 VI -0.3 6 V
Comparator inputs 10, 13 VC -0.3 VCC V
Reference inputs 9, 14 VR -0.3 7.5 V
Current          
Motor output current 1, 4, 19, 22 IM -700 +700 mA
Logic inputs 7, 8, 15, 16 II -10 - mA
Analog inputs 10, 13 IA -10 - mA
Oscillator charging current 12 IRC - 5 mA
Temperature          
Operating junction temperature   TJ -40 +150 °C
Storage temperature**   TS -55 +150 °C
** Circuit only. The packaging can handle max 60°C


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 NJM3771imple 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.




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