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MAX7219 LED Display Drivers: Datasheet, Pinout and Schematic

MAXIM INTEGRATED PRODUCTS MAX7219EWG+. Led Driver, 16 Outputs, 4V-5.5V in, 10MHz switch,320mA out, SOIC-24

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Aug 31, 2021

Suzanne Marcus

DIY FYI: Using a MAX7219 with an LED Matrix

 

MAXIM INTEGRATED PRODUCTS MAX7219EWG . Led Driver, 16 Outputs, 4V-5.5V in, 10MHz switch,320mA out, SOIC-24

MAX7219 is an interfaced, 8-digit led display driver. This article enforces datasheet, pinout, schematic, application, and other details about MAX7219.

MAX7219EWG

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MAX7219 Pinout

MAX7219 CAD Model

Symbol

Symbol

Footprint

Footprint

MAX7219 Block Diagram

Specifications

Maxim Integrated MAX7219EWG+ technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated MAX7219EWG+.

MAX7219EWG Tech Specifications

Maxim Integrated MAX7219EWG technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated MAX7219EWG .

Product Attribute Attribute Value
Factory Lead Time6 Weeks
Contact PlatingTin
MountSurface Mount
Mounting TypeSurface Mount
Package / Case24-SOIC (0.295, 7.50mm Width)
Number of Pins24Pins
SwitchingFrequency10MHz
Operating Temperature-40°C~85°C
PackagingTube
Published1997
JESD-609 Codee3
Pbfree Codeyes
Part StatusActive
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations24Terminations
ECCN CodeEAR99
Additional FeatureCOMMON-CATHODE
Max Power Dissipation941mW
Voltage - Supply4V~5.5V
Product Attribute Attribute Value
Terminal PositionDUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel)260
Number of Functions1Function
Supply Voltage5V
Terminal Pitch1.27mm
Base Part NumberMAX7219
Pin Count24
Number of Outputs16Outputs
Operating Supply Voltage5.5V
Power Supplies5V
Configuration7 Segment + DP
Interface4-Wire Serial
Operating Supply Current330mA
Power Dissipation941mW
Output Current320mA
Max Supply Current330mA
Min Input Voltage4V
Max Input Voltage5.5V
Product Attribute Attribute Value
Output CharacteristicsTOTEM-POLE
Output PolarityTRUE
Input CharacteristicsSTANDARD
Display TypeLED
High Level Output Current-2mA
Low Level Output Current5mA
fmax-Min1.3 MHz
Number of Segments8Segments
Multiplexed Display CapabilityYES
Digits or Characters8 Digits
Height2.35mm
Length15.6mm
Width7.6mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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MAX7219 Features

♦ 10MHz Serial Interface

♦ Individual LED Segment Control

♦ Decode/No-Decode Digit Selection

♦ 150µA Low-Power Shutdown (Data Retained)

♦ Digital and Analog Brightness Control

♦ Display Blanked on Power-Up

♦ Drive Common-Cathode LED Display

♦ Slew-Rate Limited Segment Drivers for Lower EMI (MAX7221)

♦ SPI, QSPI, MICROWIRE Serial Interface (MAX7221)

♦ 24-Pin DIP and SO Packages

MAX7219 Applications

♦ General-purpose SHIFT operation

♦ Measuring Instruments

♦ Digital Electronics

♦ Servers

♦ Memory units

♦ Networking

♦ Digital systems

MAX7219 Applications Circuit

Where to use MAX7219 IC

♦ This IC is basically used where you want to convert serial data to parallel data.

♦ The chip is used to reduce the I/O pin usage of the controller or processor.

♦ Used to control 64 LEDs using only 3 PINS

♦ Preferred when controller 7 Segment Displays. The chip can control up to 8 DIGIT.

♦ Can be used to control more display segments by connecting more chips in serial.

MAX7219 Package

MAX7219 Manufacturer

Maxim Integrated develops innovative analog and mixed-signal products and technologies to make systems smaller and smarter, with enhanced security and increased energy efficiency. We are empowering design innovation for our automotive, industrial, healthcare, mobile consumer, and cloud data center customers to deliver industry-leading solutions that help change the world.

Datasheet PDF

Download datasheets and manufacturer documentation for Maxim Integrated MAX7219EWG+.

MAX7219EWG Documents

Download datasheets and manufacturer documentation for MAX7219EWG

Frequently Asked Questions

What is MAX7219 used for?
The MAX7219 is an IC designed to control an 8x8 LED MATRIX. The IC is serial input common-cathode (Common Negative) display drivers that interface microprocessors (or microcontroller) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs.
How does MAX7219 work?
MAX7219CNG is a programmable display driver integrated circuit that is used to control a large array of LEDs while consuming a relatively small number of GPIO pins. It receives input commands via four SPI pins and uses these commands to drive either an 8x8 matrix of LEDs or an eight-digit seven-segment display.
How do I connect my MAX7219?
In your cable select and your clock. So I connected those at 12 11 and 10 on do you know and then I just use a jumper cable to go from the end of one to the end of the other one.
What is MAX7219 dot matrix?
The MAX7219 Dot Led Matrix Module is a serial input common-cathode driver that interfaces micro-controllers to LED matrices. All common micro-controllers can be connected to this module by using a 4-wire serial interface. Each output can be addressed without refreshing the entire display.
FAQ
What is MAX7219 used for?
The MAX7219 is an IC designed to control an 8x8 LED MATRIX. The IC is serial input common-cathode (Common Negative) display drivers that interface microprocessors (or microcontroller) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs.
How does MAX7219 work?
MAX7219CNG is a programmable display driver integrated circuit that is used to control a large array of LEDs while consuming a relatively small number of GPIO pins. It receives input commands via four SPI pins and uses these commands to drive either an 8x8 matrix of LEDs or an eight-digit seven-segment display.
How do I connect my MAX7219?
In your cable select and your clock. So I connected those at 12 11 and 10 on do you know and then I just use a jumper cable to go from the end of one to the end of the other one.
What is MAX7219 dot matrix?
The MAX7219 Dot Led Matrix Module is a serial input common-cathode driver that interfaces micro-controllers to LED matrices. All common micro-controllers can be connected to this module by using a 4-wire serial interface. Each output can be addressed without refreshing the entire display.

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