What is the Additional Feature ?

Name: MAX7219CNG+
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX7219CNG+
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated MAX7219CNG+

Part No.:: MAX7219CNG+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-DIP (0.300, 7.62mm)

Datasheet:: MAX7219CNG+.pdf

Description:: IC DRVR 7 SEGMENT 8 DIGIT 24DIP

In Stock:: 2644

Quantity:: Add To Cart

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MAX7219CNG+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MAX7219CNG+ price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MAX7219CNG+ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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MAX7219CNG+ Typical application Circuitry

MAX7219CNG

The MAX7219CNG+ is a versatile, serially interfaced display driver chip, primarily used for driving 7-segment numeric LED displays, bar-graph displays, or 64 individual LEDs. It simplifies the process of interfacing with LED matrices by providing functionality for intensity control, decoding, and digit selection. Notable features of the MAX7219CNG+ include its capability to drive multiple LEDs with a single chip, its support for cascading multiple chips, and its built-in BCD code-B decoder.

Application in Public Information Display Boards:

The MAX7219CNG+ is commonly used in public information display boards, such as those found in train stations or airports, where information needs to be dynamically updated and displayed clearly.

1. Power Supply Connection: Connect the V+ pin (pin 19) of the MAX7219CNG+ to a stable 5V power source. This supplies power to the chip. Additionally, place a 10µF capacitor between the V+ pin and ground to stabilize the power supply.

2. Grounding the Chip: Attach the GND pin (pin 4) of the MAX7219CNG+ to the system's ground for a stable reference point.

3. Display Connection: Link the DIG0-DIG7 pins (pins 1, 2, 6, 7, 20-23) of the MAX7219CNG+ to the common cathodes of the 7-segment LED displays or LED matrix. Each pin controls one digit or a row/column in the matrix.

4. Data Input and Output for Cascading: Connect the DIN pin (pin 1) to the data output of the microcontroller to receive data. If cascading multiple MAX7219CNG+ chips, connect the DOUT pin (pin 24) of the first chip to the DIN pin of the subsequent chip.

5. Serial Communication Interface: Connect the LOAD (CS) pin (pin 12) and the CLK pin (pin 13) to the respective control and clock pins on the microcontroller for serial communication.

Key Design Considerations for the Circuit:

When designing a circuit with the MAX7219CNG+ for public information display boards, several factors must be carefully considered:

1. Stable and Clean Power Supply: Ensuring a noise-free and stable power supply for the MAX7219CNG+ is crucial for uninterrupted operation.

2. LED Brightness Control: To set the LED intensity, connect a resistor between the ISET pin (pin 18) and ground. The resistor value determines the current, and thus the brightness of the LEDs.

3. Managing Data Integrity in Cascading: When cascading multiple MAX7219CNG+ chips, ensure that the data integrity is maintained by keeping the connections short and using proper shielding if necessary.

4. Minimizing Noise in Communication Lines: Implementing proper PCB layout techniques to minimize noise in serial communication lines (LOAD, CLK, DIN) is essential for reliable operation.

5. Thermal Management: Although the MAX7219CNG+ is efficient, consider heat dissipation methods, especially when driving many LEDs or in a confined space.

In conclusion, the MAX7219CNG+ is highly effective in applications like public information display boards, providing clear, dynamic display capabilities. Ensuring a stable power supply, controlling LED brightness, maintaining data integrity in cascading configurations, reducing noise in communication lines, and managing heat are pivotal in leveraging the full potential of the MAX7219CNG+ in sophisticated display systems.

MAX7219CNG+ information

MAX7219CNG+ Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Active
DisplayType:
LED
Configuration:
7 Segment + DP
Interface:
4-Wire Serial
DigitsorCharacters:
8 Digits
Current-Supply:
330 mA
Voltage-Supply:
4V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

MAX7219CNG+ FAQ

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6. What is the process for return or replacement of MAX7219CNG+?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MAX7219CNG+ we delivered, we will accept the replacement or return of the MAX7219CNG+ only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MAX7219CNG+.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations