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MAX7219ENG from MAXI,MAXIM - Dallas Semiconductor

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MAX7219ENG

Manufacturer: MAXI

Serially Interfaced / 8-Digit LED Display Drivers

Partnumber Manufacturer Quantity Availability
MAX7219ENG MAXI 60 In Stock

Description and Introduction

Serially Interfaced / 8-Digit LED Display Drivers The MAX7219ENG is a serial input/output common-cathode display driver from Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features:

### **Manufacturer:**  
- **MAXI** (Maxim Integrated, now Analog Devices)  

### **Specifications:**  
- **Type:** LED Display Driver (Common-Cathode)  
- **Interface:** Serial (SPI-compatible)  
- **Supply Voltage (V+):** 4.0V to 5.5V  
- **Logic Input Voltage (VIN):** -0.5V to +7V  
- **Operating Temperature:** -40°C to +85°C  
- **Package:** 24-Pin DIP (Dual In-Line Package)  
- **Maximum Output Current per Segment:** 40mA  
- **Maximum Continuous Current per Digit:** 320mA  
- **Maximum Clock Frequency:** 10MHz  
- **Number of Digits Driven:** Up to 8 (7-segment)  
- **Decoding:** On-chip BCD or No-Decode modes  
- **Dimming Control:** Digital (16-step brightness)  

### **Descriptions:**  
The MAX7219ENG is a compact, serial-input/output common-cathode display driver that interfaces microprocessors to 7-segment numeric LED displays, bar graphs, or 64 individual LEDs. 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** (3-wire, daisy-chainable)  
- **Individual LED Segment Control** (64 LEDs)  
- **Decoding & Multiplexing for 7-Segment Displays**  
- **Low-Power Shutdown Mode** (150µA)  
- **Software-Controlled Brightness** (16 steps)  
- **No External Components Required** (except for display)  
- **Test Mode (All LEDs On)**  
- **ESD Protection:** ±15kV (Human Body Model)  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Serially Interfaced / 8-Digit LED Display Drivers

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