MAX7219CWG - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX7219CWG

Manufacturer

Analog Devices

Introduction

Integrated power management chip for LED display driving.

Product Features and Performance

Drive up to 8 digits of 7-segment LEDs

Supports individual LED segment control

Integrated multiplex scan circuitry

Digital brightness control

Serial interface control for reduced pin count

Support for cascading multiple devices

Product Advantages

Reduced system power consumption

Simplified design for LED display applications

Ease of scalability with daisy-chain capability

Built-in features that decrease external component necessity

Key Technical Parameters

Display Driver Configuration: 7 Segment + DP

Interface Type: 4-Wire Serial

Digits or Characters: 8 Digits

Supply Current: 330 mA

Supply Voltage Range: 4V to 5.5V

Operating Temperature Range: 0°C to 70°C

Quality and Safety Features

Built-in thermal protection

Short-circuit and over-temperature protection

Compatibility

Compatible with multiple microcontrollers through serial interface

Application Areas

Scoreboards

Digital clocks

Electronic meters

Gaming machines

Industrial control panels

Product Lifecycle

Product Status: Obsolete

Recommendations for replacement or upgrades may be available from the manufacturer

Several Key Reasons to Choose This Product

High integration for space-constrained applications

Brightness control to adjust for various lighting conditions

Serial control reduces the complexity of the connection

Obsolescence allows for potential cost savings for certain applications

Proven reliability and quality from Analog Devices

Supports a wide range of power supply voltages for flexible design options