MAX6953EAX+

The MAX6953EAX+ is a 2-wire interfaced, 4-digit, 5 x 7 matrix LED display driver in 36 pin SSOP package. This compact cathode row display driver interfaces microprocessors to 5 x 7 dot matrix LED displays through an I2C compatible serial interface. The MAX6953 drives up to four digits (140 LEDs). Included on-chip are an ASCII 104-character font, multiplex scan circuitry, column drivers, row drivers and static RAM that stores each digit as well as font data for 24 user definable characters. The segment current for LEDs is set by an internal digit by digit digital brightness control. The device includes low power shutdown mode, segment blinking (synchronized across multiple drivers, if desired) and a test mode that forces all LEDs on. The LED drivers are slew rate limited to reduce EMI.