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

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