MAX7219ENG - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX7219ENG

Manufacturer

Maxim Integrated

Introduction

The MAX7219ENG is a compact, serial input/output common-cathode display driver capable of driving up to eight digits with LEDs.

Product Features and Performance

Drives 8 digits of 7-segment LED displays

Includes a 4-wire serial interface for communicating with a microcontroller

On-chip scan circuitry that interfaces directly to LED displays

Supports 7-segment and 8x8 matrix LED displays

Sinks up to 30mA per segment

Dimmable display with pulse-width modulation (PWM) control

Daisy-chain up to 8 devices for 64 digits

Product Advantages

Simplified interface to microcontroller

Provides direct LED drive, eliminating the need for external current-limiting resistors

Automatic leading-zero blanking

Flicker-free display

Minimal CPU overhead

Key Technical Parameters

Operating Voltage: 4V to 5.5V

Supply Current: 330mA (max)

Operating Temperature: -40°C to +85°C

Package: 24-PDIP

Quality and Safety Features

RoHS non-compliant

Compatibility

The MAX7219ENG is compatible with a wide range of microcontrollers and can be used to drive common-cathode 7-segment LED displays.

Application Areas

Industrial control equipment

Instrument and appliance displays

Point-of-sale terminals

Lighting controllers

Automotive dashboards

Product Lifecycle

The MAX7219ENG is an active product, and Maxim Integrated continues to offer it as part of their product portfolio. Replacement or upgrade options may be available.

Key Reasons to Choose This Product

Simplified interface to microcontroller

Ability to drive up to 8 digits of 7-segment LED displays

Automatic leading-zero blanking and flicker-free display

Wide operating temperature range of -40°C to +85°C

Compact 24-PDIP package