MAX7221 – 8-Digit LED Display Driver IC – SOP-24 SMD Package

The MAX7221 is an integrated circuit designed to drive 8-digit 7-segment LED displays, bar graph displays, or dot matrix displays. It simplifies the process of controlling large LED arrays, reducing the number of pins and microcontroller workload required. The IC is available in a SOP-24 SMD package, making it suitable for compact and space-efficient designs.

Features

• Drives 8-Digit LED Displays: Controls up to 8 digits of 7-segment displays, or 64 individual LEDs, with minimal external components.
• SPI-Compatible Interface: Communicates with microcontrollers via a simple Serial Peripheral Interface (SPI), reducing the number of required I/O pins.
• Segment and Digit Drivers: Includes both segment and digit drivers, allowing for direct connection to the display.
• Digit Blanking: Features digit blanking control for brightness adjustment and power savings.
• Low Power Consumption: Designed for efficient operation, including shutdown mode to further reduce power consumption.
• SOP-24 SMD Package: Compact surface-mount package for integration into high-density PCB layouts.

Specifications

• Operating Voltage: 4V to 5.5V
• Maximum Segment Current: 40 mA per segment
• Data Transfer Rate: 10 MHz max (SPI interface)
• Display Scan Rate: 800 Hz typical
• Operating Temperature: -40°C to +85°C
• Package Type: SOP-24 (Small Outline Package)
• Pin Count: 24

Note: Product images are for illustrative purposes only and may differ from the actual product.