LM3914集成电路（IC）的显示驱动器规格书PDF中文资料

Features

Y Drives LEDs, LCDs or vacuum fluorescents

Y Bar or dot display mode externally selectable by user

Y Expandable to displays of 100 steps

Y Internal voltage reference from 1.2V to 12V

Y Operates with single supply of less than 3V

Y Inputs operate down to ground

Y Output current programmable from 2 mA to 30 mA

Y No multiplex switching or interaction between outputs

Y Input withstands g35V without damage or false outputs

Y LED driver outputs are current regulated, open-collectors

Y Outputs can interface with TTL or CMOS logic

Y The internal 10-step divider is floating and can be referenced

to a wide range of voltages