MAX7219CNG - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX7219CNG

Manufacturer

Maxim Integrated

Introduction

The MAX7219CNG is a compact, serial input/output common-cathode display driver that interfaces microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits.

Product Features and Performance

Interfaces μPs to 7-segment numeric LED displays

Drives 8 common-cathode LED digits

Pulse-width modulation (PWM) intensity control

Decodes digits 0-9, A-F, and a few other symbols

Serial interface (SPI or Microwire)

Internal scanned LED display multiplexer

No external display driver transistors needed

Daisy-chain multiple devices for larger displays

Product Advantages

Compact package reduces board space

Simplifies microprocessor interface to 7-segment displays

Reduces component count and system cost

Provides high brightness with low power consumption

Key Technical Parameters

Operating Voltage: 4V to 5.5V

Supply Current: 330mA maximum

Operating Temperature: 0°C to 70°C

Package: 24-PDIP (0.300", 7.62mm)

Mounting Type: Through Hole

Quality and Safety Features

RoHS non-compliant

Compatibility

The MAX7219CNG is compatible with 7-segment LED displays and can be interfaced with various microprocessors using a 4-wire serial interface.

Application Areas

Industrial equipment

Test and measurement instruments

Appliances

Consumer electronics

Product Lifecycle

The MAX7219CNG is an active product and not nearing discontinuation. Replacement and upgrade options are available from Maxim Integrated.

Key Reasons to Choose This Product

Simplifies interface between microprocessors and 7-segment LED displays

Reduces component count and system cost

Provides high brightness with low power consumption

Compact package saves board space

Reliable and long-lasting performance