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MAX7219CWG from MAXIN,MAXIM - Dallas Semiconductor

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MAX7219CWG

Manufacturer: MAXIN

Serially Interfaced / 8-Digit LED Display Drivers

Partnumber Manufacturer Quantity Availability
MAX7219CWG MAXIN 26 In Stock

Description and Introduction

Serially Interfaced / 8-Digit LED Display Drivers The MAX7219CWG is a compact, serial input/output common-cathode display driver from Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Package:** 24-pin Wide SOIC (SO-24)  
- **Operating Voltage:** 4V to 5.5V  
- **Current Consumption:** Low power (typ. 330µA in shutdown mode)  
- **Maximum Segment Current:** 40mA per segment  
- **Maximum Display Digits:** Drives up to 8 digits of 7-segment displays or 64 individual LEDs  
- **Data Interface:** Serial SPI-compatible (4-wire)  
- **Clock Frequency:** Up to 10MHz  
- **Temperature Range:** 0°C to +70°C (Commercial grade)  
- **Decoding:** On-chip BCD code-B decoder for 7-segment displays  
- **Brightness Control:** Digital (16-step) via internal PWM  

### **Descriptions & Features:**  
- **Integrated Display Driver:** Eliminates the need for external multiplexing circuitry.  
- **Cascadable:** Multiple MAX7219 devices can be daisy-chained for larger displays.  
- **Software-Configurable:** Supports segment blinking and intensity control.  
- **Low EMI:** Designed to minimize electromagnetic interference.  
- **Applications:** LED matrix displays, 7-segment numeric displays, bar graphs, and industrial control panels.  

This device is widely used in embedded systems for driving LED displays efficiently with minimal microcontroller overhead.

Application Scenarios & Design Considerations

Serially Interfaced / 8-Digit LED Display Drivers

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