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MAX7221EWG+ from N/A

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MAX7221EWG+

Manufacturer: N/A

Serially Interfaced, 8-Digit, LED Display Drivers

Partnumber Manufacturer Quantity Availability
MAX7221EWG+ N/A 4000 In Stock

Description and Introduction

Serially Interfaced, 8-Digit, LED Display Drivers The MAX7221EWG+ is a serial input/output common-cathode display driver from Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now part of Analog Devices)  
- **Package:** 24-SOIC (Wide, 7.50mm)  
- **Operating Voltage:** 4V to 5.5V  
- **Maximum Supply Current:** 150mA  
- **Maximum Segment Current:** 40mA per segment  
- **Data Transfer Rate:** 10MHz (SPI-compatible)  
- **Number of Digits:** 8 (7-segment)  
- **Interface Type:** Serial (SPI, QSPI, MICROWIRE)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX7221EWG+ is an LED display driver that interfaces microprocessors to 7-segment numeric LED displays. It includes an on-chip BCD decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM to store digit values.  

### **Features:**  
- **SPI-Compatible Serial Interface**  
- **Individual LED Segment Control**  
- **Decode/No-Decode Digit Selection**  
- **Digital and Analog Brightness Control**  
- **Low-Power Shutdown Mode**  
- **Only 3 Wires Required for Microprocessor Interface**  
- **Drives Common-Cathode LED Displays**  
- **ESD Protection > 2kV (Human Body Model)**  

This IC is commonly used in industrial control panels, instrumentation, and consumer electronics for driving LED displays efficiently.

Application Scenarios & Design Considerations

Serially Interfaced, 8-Digit, LED Display Drivers

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