LM628 Datasheet PDF

●The LM628N-6/NOPB is a dedicated Motion-control Processor designed for use with a variety of DC and brushless DC servo motors and other servomechanisms which provide a quadrature incremental position feedback signal. The parts perform the intensive, real-time computational tasks required for high performance digital motion control. The host control software interface is facilitated by a high-level command set. The LM628 has an 8-bit output which can drive either an 8-bit or a 12-bit DAC. The components required to build a servo system are reduced to the DC motor/actuator, an incremental encoder, a DAC, a power amplifier and the LM628.

● Programmable digital PID filter with 16-bit coefficients

● Programmable derivative sampling interval

● Internal trapezoidal velocity profile generator

● Velocity, target position and filter parameters may be changed during motion

● Position and velocity modes of operation

● Real-time programmable host interrupts

● Quadrature incremental encoder interface with index pulse input

● 32-bit Position, velocity and acceleration registers

● 8-bit Parallel asynchronous host interface

● Green product and no Sb/Br