MAX7221EWG+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX7221EWG+T

Manufacturer

Analog Devices

Introduction

The MAX7221EWG+T is a compact, serial input/output common-cathode display driver designed to interface microprocessors to LED displays through a simple 4-wire serial interface.

Product Features and Performance

Controls and drives up to 8 digits of 7-segment numeric LED displays

Built-in BCD code-B decode

Automatic shutdown and wake-up feature

Digital brightness control

Low power operation

Product Advantages

Simplifies interfacing to LED displays

Minimizes required I/O lines from microprocessors

Extends operational life of LED displays with low power consumption

Enhances visibility with adjustable brightness

Key Technical Parameters

Display Type: LED

Configuration: 7 Segment + DP

Interface: 4-Wire Serial

Digits or Characters: 8 Digits

Current Supply: 330 mA

Voltage Supply: 4V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 24-SOIC

Quality and Safety Features

Over-temperature shutdown

Noise reduction technology with built-in capacitors

Compatibility

Compatible with various microprocessors and digital systems utilizing a 4-wire serial interface

Application Areas

Digital scoreboards

Display panels for industrial control

Electronic voting machines

Medical equipment displays

Product Lifecycle

Product status: Active

Continuously stocked and manufactured without near future discontinuation risk

Several Key Reasons to Choose This Product

High integration reduces system complexity

Scalable with serial interface allows addition of more displays without additional I/O pins

Reliable operation in a wide temperature range suitable for outdoor applications

Adjustable brightness enhances display visibility in varying light conditions

Proven manufacturer with support and reliability