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NJM3775

Features: • Dual chopper driver• 750 mA continuous output current per channel• Digital filter on chip eliminates external filtering components• Packages DIP22 / PLCC28 / EMP24(batwing)PinoutSpecifications Parameter Pin No. Symbol Min Max Unit Voltag...

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SeekIC No. : 004434234 Detail

NJM3775: Features: • Dual chopper driver• 750 mA continuous output current per channel• Digital filter on chip eliminates external filtering components• Packages DIP22 / PLCC28 / EMP2...

NJM3775 Data Sheet

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Part Number:
NJM3775
Supply Ability:
5000

Price Break

  • 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
• 750 mA continuous output current per channel
• Digital filter on chip eliminates external filtering components
• Packages DIP22 / PLCC28 / EMP24(batwing)


Pinout

Connection Diagram


Specifications

Parameter
Pin No.
Symbol
Min
Max
Unit
Voltage
 
 
 
 
 
Logic supply
12
VCC
0
7
V
Motor supply
4, 19
VMM
0
45
V
Logic inputs
9, 10, 13, 14
VI
-0.3
6
V
Analog inputs
7, 8, 15, 16
VA
-0.3
VCC
V
Current
 
 
 
 
 
Motor output current
1, 3, 20, 22
IM
-850
+850
mA
Logic inputs
9, 10, 13, 14
II
-10
-
mA
Analog inputs
7, 8, 15, 16
IA
-10
-
mA
Temperature
 
 
 
 
 
Operating junction temperature
 
TJ
-40
+150
°C
Storage temperature
 
TSTG
-55
+150
°C
Power Dissipation (Package Data)
 
 
 
 
 
Power Dissipation at TGND = +25°C, DIP and PLCC package
 
PD
-
5
W
Power dissipation at TGND = +25°C, DIP package
 
PD
-
2.2
W
Power dissipation at TGND = +125°C, PLCC package
 
PD
-
2.6
W



Description

The NJM3775 is a switch-mode (chopper), constantcurrent driver with two channels: one for each winding of a two-phase stepper motor. NJM3775 is equipped with a Disable input to simplify half-stepping operation. The NJM3775 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, including recirculation diodes. Voltage supply requirements are + 5 V for logic and + 10 to + 45 V for the motor. Maximum output current is 750mA per channel.




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