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MAX7219 Serially Interfaced 8-Digit LED Display Drivers

IC-0025

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The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs.
Do you need modifications to this product or need it on a custom circuit board? We can design and manufacture circuit boards to your specs for any project. Get in touch with us now through our Circuit Board Design or Circuit Board Assembly pages. In a rush? No problem, we get it done in as soon as 24 hours.

Availability: In stock

$8.95
Pricing:
$8.95 (10+) $8.06 (25+) $7.61 (100+) $7.16
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Description:

The MAX7219 is a compact, serial input/output common-cathode display driver that allows you to easily control 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs. 

A convenient 4-wire serial interface connects to all common microcontrollers. Individual digits may be addressed and updated without rewriting the entire display. The MAX7219 also allows the user to select code-B decoding or no-decode for each digit.

Key Feature:

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


Applications:

  • Bar Graph Displays
  • Industrial Controllers
  • LED Matrix Displays
  • Panel Meters

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