MAX7221 Maxim LED Display Driver IC – Pack of 5





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The MAX7221 is similar to the MAX7219, It is a common-cathode display driver and is used to operate 7 segments LED displays with ease.

The MAX7221 only requires 1 external resistor to set the segment current for all LEDs, making the MAX7221 micro-controller user-friendly.



  • Voltage: 0.3V to 6V
  • Voltage of DIN, CLK, LOAD, CS: -0.3V to 6
  • Voltage of All Other Pins: -0.3V to (V+ + 0.3V)
  • Current: 100mA Continuous
  • Power Dissipation: 1066mW



  • 10MHz Serial Interface
  • Individual LED Segment Control
  • Decode/No-Decode Digit Selection
  • 150uA Low-Power Shutdown (Data Retained)
  • Digital and Analog Brightness Control
  • Display Blanked on Power-Up
  • Drive Common-Cathode LED Display
  • Slew-Rate Limited Segment Drivers
  • SPI, QSPI, MICROWIRE Serial Interface (MAX7221)
  • 24-Pin DIP and SO Packages



  • 5 x MAX7221 Maxim LED Display Driver IC

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