Click to expand full text
HT3914A
HT3914A Dot/Bar Display Driver
FEATURES
• Drives LEDs, LCDs or Vacuum Fluorescents
Versatility was designed into the HT3914A so that controller, visual alarm, and expanded scale functions
are easily added on to the display system. The circuit
• Bar or Dot Display Mode Externally Selectable by User
can drive LEDs of many colors, or low-current incandescent lamps. Many HT3914A can be
• Expandable to Displays of 100 Steps • Internal Voltage Reference from 1.2V to 12V
“chained” to form displays of 20 to over 100 segments. Both ends of the voltage divider are
externally available so that 2 drivers can be made
• Operates with Single Supply of Less than 3V
into a zero-center meter.