MAX7219CWG+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX7219CWG+T

Manufacturer

Analog Devices

Introduction

MAX7219CWG+T is a compact, serial input/output common-cathode display driver that can interface microprocessors to a 7 segment numeric LED display of up to 8 digits or a bar-graph display.

Product Features and Performance

Drives up to 8 digits of 7-segment LED displays

Serial interface with 4-wire configuration

Supports 330 mA supply current

Operates at a voltage range of 4V to 5.5V

Operates at 0°C ~ 70°C temperature range

Designed for surface mount technology

Product Advantages

Integrated multiplex scan circuitry

Dynamic control of brightness through the serial interface

Digit and segment drivers on-chip

Low power consumption

Key Technical Parameters

Current - Supply: 330 mA

Voltage - Supply: 4V ~ 5.5V

Operating Temperature: 0°C ~ 70°C

Digits or Characters: 8 Digits

Display Type: LED

Configuration: 7 Segment + DP

Interface: 4-Wire Serial

Quality and Safety Features

Built-in thermal shutdown protection

Fault tolerance with constant current source circuitry

Compatibility

Compatible with common-cathode displays including 7 segment, 14 segment, and 16-segment displays

Application Areas

Digital clocks

Industrial controllers

Panel meters

Instrument display

Product Lifecycle

Status: Active

Not nearing discontinuation with ongoing manufacturer support

Replacement models or upgrades are continually evaluated but currently unnecessary due to product’s robust lifecycle management

Several Key Reasons to Choose This Product

Efficient management of up to 8-digit LED displays with minimal external components

Independent control of brightness settings via software

Durable and reliable performance in industrial temperature ranges

Easy implementation in digital devices due to surface mount package configuration

High integration reduces system size and cost