MAX7221 (6)
The MAX7221 is available from Analog Devices Inc./Maxim Integrated Inc./Maxim Integrated at Xecor. Designed for driving 7-segment numeric LED displays, bar-graph displays, or 64 individual LEDs, the MAX7221 offers a compact, serial input/output interface with features such as 10MHz serial communication, individual LED segment control, and digital/analog brightness control. Available in a 24-pin SOIC package, it is ideal for applications like bar graph displays, industrial controllers, LED matrix displays, and panel meters. Whether used in industrial automation, telecommunications, or consumer electronics, this series ensures reliable performance, low power consumption, and ease of integration for demanding applications. Xecor is an authorized distributor for Analog Devices Inc./Maxim Integrated Inc./Maxim Integrated. Please view our extensive selection of the MAX7221 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX7221EWG+ | Featuring a common-cathode setup for LED displays and 7-segment functionality, MAX7221EWG+ comes in a 24-pin plastic package with SOP layout | 24-SOIC | 7,466 | |
| MAX7221CWG+ | low power consumption | 24-SOIC | 7,914 | |
| MAX7221CWG+T | MAX7221CWG+T for use in circuits | SOIC-24 | 5,114 | |
| MAX7221ENG+ | Precise control over 4 lines of LEDs with 24-pin PDIP package" | DIP-24 | 3,091 | |
| MAX7221CNG+ | As a robust IC solution, the MAX7221CNG offers a reliable combination of drive and display control capabilities, backed by robust serial interfaces | DIP-24 | 6,151 | |
| MAX7221EWG+T | Elegant LED display driver solution for your serial interface needs, designed for ROHS compliance | SOIC-24 | 5,546 |
Key Featrues
Individual LED Segment Control - This feature allows precise control over each LED segment, enabling dynamic and customizable displays for applications such as LED matrix displays and bar graph indicators, improving visual clarity and flexibility.
Low-Power Shutdown (150µA) - The low-power shutdown mode minimizes energy consumption when the device is idle, making it ideal for battery-powered applications or energy-efficient systems, while retaining stored data for quick reactivation.
Digital and Analog Brightness Control - Dual brightness control options allow for fine-tuning of LED intensity, ensuring optimal visibility in varying lighting conditions and enhancing user experience in applications like industrial panels and meters.
Slew-Rate Limited Segment Drivers - These drivers reduce electromagnetic interference (EMI) by controlling the rate of signal transitions, making the MAX7221 suitable for noise-sensitive environments while maintaining stable and reliable LED operation.
Applications
Industrial Panel Meters: The MAX7221 is perfect for driving 7-segment displays in industrial panel meters used for monitoring parameters like voltage, current, temperature, and pressure. Its compact design and serial interface simplify integration into control systems, ensuring reliable and accurate readings in harsh industrial environments.
Bar Graph Displays: The MAX7221 excels in driving bar graph displays for applications such as audio equipment, power level indicators, and process control systems. Its ability to individually control LED segments allows for precise and customizable visual feedback, making it ideal for both consumer electronics and industrial automation.
Automotive Dashboard Displays: The MAX7221 is well-suited for automotive dashboard displays, where it can drive 7-segment or custom LED indicators for speed, fuel level, and other critical information. Its robust design and ability to operate in a wide temperature range ensure reliable performance in the demanding conditions of automotive environments.
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