Manufacturer Part Number
MAX7219EWG
Manufacturer
Maxim Integrated
Introduction
The MAX7219 is a compact, serial input/output common-cathode display driver capable of driving 8 digits with SEG and COM outputs.
Product Features and Performance
Drives 8 digits of 7-segment LED displays or 64 individual LEDs
Pulse-width modulation (PWM) control for LED brightness
Serial interface (3-wire or 4-wire)
Supports both common-cathode and common-anode LED displays
Built-in scan driver
Overtemperature and open-LED detection
Internal oscillator
Requires only one external resistor
Product Advantages
Simplifies LED display interface
Reduces component count and board space
Provides high-current drive capability
Offers wide operating voltage range
Key Technical Parameters
Operating Voltage: 4V to 5.5V
Supply Current: 330mA
Operating Temperature: -40°C to 85°C
Package: 24-SOIC
Quality and Safety Features
RoHS non-compliant
ESD protection
Compatibility
The MAX7219 is compatible with a wide range of 7-segment LED displays and can be used in various applications.
Application Areas
LED display drivers
Segment-based LED displays
Industrial control panels
Instrumentation
Clocks and timers
Product Lifecycle
The MAX7219 is an established product and is still in production. Replacement options or upgrades may be available from Maxim Integrated or other manufacturers.
Several Key Reasons to Choose This Product
Simplifies LED display interface design
Provides high-current drive capability
Supports a wide operating voltage range
Offers overtemperature and open-LED detection
Requires minimal external components
Comes in a compact surface-mount package