MAX7219CWG Display Driver Ultimate Guide: Datasheet Released
yunying Release time：2023-09-15 Page View：341
MAX7219CWG IC DRVR 7 SEGMNT 8 DIGIT 24SOIC
Hello everyone, this article will take the mystery out of MAX7219CWG! A display driver known as the MAX7219CWG is frequently utilized in Industrial Controllers, LED Matrix Displays and so on. The MAX7219 is a constant current LED display driver IC that can power 7-segment LED displays, 64x64 LED matrices, or single LEDs. What exactly is it? Let' s check it out!
MAX7219CWG Pinout
MAX7219CWG Overview
The electronic component MAX7219CWG is packaged in a similar way to a tube. It comes in a package called 24-SOIC (0.295, 7.50mm Width). The component, MAX7219CWG, has an LED display. It is mounted on the circuit board using a Surface Mount method. This component can operate within a temperature range of 0°C to 70°C. To make the display drivers work, they need a power supply of 4.5V to 5.5V. An impedance-matching device is used to terminate transmission lines with 24 terminations. MAX7219CWG belongs to the MAX7219 family and has only 24 pins. It can be installed on various surfaces due to its 24-pin configuration. The display drivers are attached to the board using the Surface Mount technique, allowing for easy removal if needed. It is powered by a 5V battery.
For proper functionality, a supply current of 330mA is required. There are 64 categories, and the "Electronics" category represents any member of the Seller Group's equipment solutions company. It can also be implemented in display drivers. It can be used worldwide thanks to its two 5V power supplies. The component is considered active when the maximum current required for operation exceeds 330mA. As a result, it produces an output voltage of 4.5 volts. It has eight outputs arranged in a specific configuration. Additionally, it is identified as COMMON-CATHODE.
MAX7219CWG Features
24-SOIC (0.295, 7.50mm Width) package
MAX7219 family
24 pin count
24 pins
5V power supplies
8 output
MAX7219CWG CAD Model
Symbol
Footprint
3D-model
MAX7219CWG Applications
This product can be used in Bar-Graph Displays, Industrial Controllers, Panel Meters, LED Matrix Displays
There are a lot of MAX7219CWG display drivers applications.
Car Audios / Radios
Set-Top Boxes
Panel Meters
Remote Displays
Mobile Projector
Industrial Controllers and Instrumentation
Bar Graphs and Matrix Displays
Voltmeter
MAX7219CWG Package
24-SOIC (0.295, 7.50mm Width)
MAX7219CWG Datasheet PDF
Please swipe to DOWNLOAD MAX7219CWG datasheets, MAX7219CWG specificaand MAX7219CWG Product comparison .
MAX7219 Vs MAX7221
What is the difference between MAX7219 and MAX7221?
Specifications
- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Display Drivers
- Additional Feature :
- COMMON-CATHODE
- Base Part Number :
- MAX7219
- Configuration :
- 7 Segment + DP
- Contact Plating :
- Tin
- Digits or Characters :
- 8 Digits
- Display Type :
- LED
- ECCN Code :
- EAR99
- Factory Lead Time :
- 8 Weeks
- fmax-Min :
- 1.3 MHz
- Height :
- 2.35mm
- High Level Output Current :
- -2mA
- Input Characteristics :
- Standard
- Interface :
- 4-Wire Serial
- JESD-609 Code :
- e0
- Lead Free :
- Contains Lead
- Length :
- 15.6mm
- Low Level Output Current :
- 5mA
- Max Input Voltage :
- 5.5V
- Max Power Dissipation :
- 941mW
- Max Supply Current :
- 330mA
- Min Input Voltage :
- 4V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Surface Mount
- Mounting Type :
- Surface Mount
- Multiplexed Display Capability :
- yes
- Nominal Supply Current :
- 8mA
- Number of Functions :
- 1
- Number of Outputs :
- 8
- Number of Pins :
- 24
- Number of Segments :
- 64
- Number of Terminations :
- 24
- Operating Supply Current :
- 330mA
- Operating Temperature :
- 0°C~70°C
- Output Characteristics :
- TOTEM-POLE
- Output Current :
- 320mA
- Output Polarity :
- TRUE
- Output Voltage :
- 4.5V
- Package / Case :
- 24-SOIC (0.295, 7.50mm Width)
- Packaging :
- Tube
- Part Status :
- Obsolete
- Pbfree Code :
- No
- Peak Reflow Temperature (Cel) :
- 245
- Pin Count :
- 24
- Power Dissipation :
- 941mW
- Power Supplies :
- 5V
- Published :
- 1997
- Radiation Hardening :
- No
- REACH SVHC :
- Unknown
- RoHS Status :
- Non-RoHS Compliant
- Supply Voltage :
- 5V
- Switching Frequency :
- 10MHz
- Terminal Form :
- Gull wing
- Terminal Pitch :
- 1.27mm
- Terminal Position :
- Dual
- Voltage - Supply :
- 4V~5.5V
- Weight :
- 734.507795mg
- Width :
- 7.6mm
Datasheets
- Datasheets
- MAX7219CWG
Product comparison
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24-SOIC (0.295, 7.50mm Width)
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24-SOIC (0.295, 7.50mm Width)
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24-SOIC (0.295, 7.50mm Width)
Display Drivers
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Frequently Asked Questions
Where should the MAX7219 IC be used?
1. This IC is mostly used to convert serial data to parallel data. 2. The chip is used to minimize the number of /O pins on a controller or CPU. 3. Used to control 64 LEDs using only three PINS. 4. Used when controlling 7-segment displays. The chip is capable of controlling up to 8 DIGIT. 5. Can be utilized to control more display segments by serially connecting more chips.
How to Apply MAX7219 IC ?
The chip functions similarly to a shift register. To begin, we shall send serial data to the chip bit by bit.Once all data has been transmitted, we will instruct the chip to shift this serial data to output by activating the CS pin. The working technique is outlined below in detail. Connect the DIN, CS, and CLK pins first. These three pins are critical for chip control. The next step is to choose a resistor for the ISET pin. As we all know, there is no market standard specification for segment displays. They offer various voltage and current settings. To drive the display correctly, we will use the table below to select the suitable resistor.
What exactly is MAX7219 IC?
Online purchase of MAX7219CWG LED Dot Matrix Display IC - https://www.vessic.com/en/ The MAX7219 is a constant current LED display driver IC that can power 7-segment LED displays, 64x64 LED matrices, or single LEDs. It interfaces with a microcontroller via a straightforward serial interface. The chip also includes a BCD decoder and 8x8 static RAM. VCC, 5.5V maximum. Or: The MAX7219 is an integrated circuit designed to control an 8x8 LED MATRIX. The integrated circuit (IC) is a serial input common-cathode (Common Negative) display driver that connects microprocessors (or microcontrollers) to 7-segment numeric LED displays with up to 8 digits, bar-graph displays, or 64 individual LEDs.
What is MAX7219/MAX7221 Differences?
The MAX7219 and MAX7221 are identical except for two parameters: the MAX7221 segment drivers are slew-rate limited to reduce electromagnetic interference (EMI), and its serial interface is fully SPI compatible.
What is the general description of MAX7219/MAX7221?
The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (μPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs. The MAX7221 is compatible with SPI™, QSPI™, and MICROWIRE™, and has slew-rate-limited segment drivers to reduce EMI. A convenient 4-wire serial interface connects to all common μPs. Individual digits may be addressed and updated without rewriting the entire display. The MAX7219/MAX7221 also allow the user to select code-B decoding or no-decode for each digit. The devices include a 150μA low-power shutdown mode, analog and digital brightness control, a scan-limit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on. For applications requiring 3V operation or segment blinking, refer to the MAX6951 data sheet.
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