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MAX7221CNG+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX7221CNG+

Manufacturer: MAXIM

Serially Interfaced, 8-Digit, LED Display Drivers

Partnumber Manufacturer Quantity Availability
MAX7221CNG+,MAX7221CNG MAXIM 5000 In Stock

Description and Introduction

Serially Interfaced, 8-Digit, LED Display Drivers The MAX7221CNG+ is a serial input/output common-cathode display driver manufactured by **MAXIM** (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** MAXIM  
- **Type:** LED Display Driver  
- **Interface:** Serial (SPI-compatible)  
- **Supply Voltage:** 4V to 5.5V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 24-Pin PDIP (Plastic Dual In-line Package)  
- **Number of Digits/Displays Supported:** 8 (7-segment digits or 8 individual LEDs)  
- **Current per Segment:** Adjustable (up to 40mA)  
- **Features:**  
  - Serial interface minimizes microcontroller I/O requirements  
  - Individual LED segment control  
  - Decode/no-decode digit selection  
  - Digital and analog brightness control  
  - Low-power shutdown mode  
  - SPI, QSPI, and MICROWIRE compatible  

### **Features:**  
- **Multiplexed Display Control:** Drives up to 8 digits (7-segment) or 64 individual LEDs.  
- **Brightness Control:** Adjustable via software (16-step digital or analog dimming).  
- **Decoding Modes:** Supports BCD code B decoding or no decoding for direct segment control.  
- **Low Power Consumption:** Includes a shutdown mode with reduced current draw.  
- **Robust Interface:** Compatible with SPI and similar serial protocols.  

This IC is commonly used in applications requiring LED display driving, such as digital panels, instrumentation, and industrial control systems.

Application Scenarios & Design Considerations

Serially Interfaced, 8-Digit, LED Display Drivers

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