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 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 OFF Maximum Input Voltage (V) Output Current: Output Current, IO (A/F) 0.31 to 0.39 0.95 to 1.05 RX (Ω) 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)