NTE NTE1848

NTE1848
Integrated Circuit
Stepping Motor Driver
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7A
Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125°C
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +80°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +100°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Voltage
VCC
20
24
30
V
Output Current
IO
0.2
−
1.5
A
Excitation Signal Input Current
IIN
−
−
5.0
mA
Signal Input of Phase Change:
ON
Output Current
(A/F)
OFF
Minimum Input Voltage Minimum Input Current
(Volts)
(mA)
0.2
2.7
1.0
0.5
3.1
1.2
1.0
3.6
1.4
1.5
4.5
2.0
Maximum Input Voltage
(V)
08
0.8
Output Current:
Output Current, IO
(A/F)
RX
(Ω)
0.31 to 0.39
200
0.95 to 1.05
1.4k
Pin Connection Diagram
(Front View)
18 VCC
17 Output B B
16 Output B
15 Active High Input B
14
Output B
13
Excitment Input B
12
GND
11
GND
10 Active High Input A
9
Output A
8
Excitment Input A
7
Output A
6
Output A A
5 ICC
4 ICC
3
GND
2 ICC
1
Filter
2.830 (71.7)
.355
(9.0)
2.375 (60.3)
1.540
(39.0)
1
18
.100 (2.54)
1.700 (43.2)
.453 (11.5)