Lower the Supply Current in Your RS-232 System

Abstract: When considering an integrated circuit, today's design engineers look for low-power features as well as performance. Saving a few milliamps of quiescent current per chip may seem trivial, but it becomes substantial for a board with dozens of ICs. Such savings allow the use of smaller power supplies and less power drawn from the wall outlet. For small, portable, battery-operated devices, power savings allow longer operation from the battery.