SAA1042 Datasheet (Motorola Inc) - STEPPER MOTOR DRIVER

SAA1042, STEPPER MOTOR DRIVER

Order this document by SAA1042/D SAA1042 Stepper Motor Driver The SAA1042 drives a two phase stepper motor in the bipolar mode.

The device contains three input stages, a logic section and two output stages.

The IC is contained in a 16 pin dual in line heat tab plastic package for improved heatsinking capability.

The center four ground pins are connected to the copper alloy heat tab and improve thermal conduction from the die to the circuit board.

Drive Stages D

SAA1042 Features

* 4 MOTOROLA ANALOG IC DEVICE DATA SAA1042 Figure 7. Typical Application Selectable Step Rates with the Time Base Derived from the Line Frequency 12 V 12 V 12 V 12 V VZ = 3.9 V Steps/Sec 12.5 25 50 100 200 400 800 CW CCW 10 9 Full Half Clock 7 MC14046B 220 k 220 V 50 Hz 0.1 µF 14 15 Phase Comp