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MAX7219EWG+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX7219EWG+

Manufacturer: MAXIM

Serially Interfaced, 8-Digit, LED Display Drivers

Partnumber Manufacturer Quantity Availability
MAX7219EWG+ MAXIM 8000 In Stock

Description and Introduction

Serially Interfaced, 8-Digit, LED Display Drivers The MAX7219EWG+ is a compact, serial input/output common-cathode display driver manufactured by **MAXIM** (now part of Analog Devices). It interfaces microprocessors to 7-segment numeric LED displays, bar-graph displays, or 64 individual LEDs.  

### **Key Specifications:**  
- **Manufacturer:** MAXIM (Analog Devices)  
- **Package:** 24-SOIC (Wide, 7.50mm Width)  
- **Operating Voltage:** 4V to 5.5V  
- **Maximum Supply Current:** 320mA  
- **Maximum Segment Current:** 100mA  
- **Data Transfer Rate:** 10MHz  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- **Serial Interface:** Uses a 4-wire SPI-compatible serial interface.  
- **Multiplexed Display Control:** Drives up to 8 digits of 7-segment displays or an 8x8 LED matrix.  
- **Decode/No-Decode Modes:** Supports BCD code-B decoding or direct segment control.  
- **Brightness Control:** Digital and analog brightness adjustment.  
- **Low-Power Shutdown Mode:** Consumes minimal current when inactive.  

### **Features:**  
- **Individual LED Segment Control**  
- **SPI, QSPI, MICROWIRE Compatible**  
- **Digital and Analog Brightness Control**  
- **Low Power Consumption in Shutdown Mode**  
- **No External Components Required (except resistors for current limiting)**  
- **Cascadable for Larger Displays**  

This IC is widely 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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