What is the Additional Feature ?

Name: MAX7219CWG
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX7219CWG
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 MAX7219CWG

Part No.:: MAX7219CWG

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-SOIC (0.295, 7.50mm Width)

Datasheet:: MAX7219CWG.pdf

Description:: IC DRVR 7 SEGMNT 8 DIGIT 24SOIC

In Stock:: 3206

Quantity:: Add To Cart

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MAX7219CWG Specifications

Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
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:
Surface Mount

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MAX7219CWG information

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MAX7219CWG Typical application Circuitry

MAX7219CWG

The MAX7219CWG is a member of Maxim Integrated's popular MAX7219 line of serial input/output common-cathode display drivers. This chip is particularly made to power bar-graph displays, 64 individual LEDs, and 7-segment numerical LED displays with up to 8 digits. Key features include low power operation, integrated BCD code-B decoder, multiplex scan circuitry, and LED intensity control, making it a popular choice for applications requiring dynamic visual output with minimal processor overhead.

1. VCC and GND Pins: The GND pin is linked to system ground, while the supply voltage is provided to the VCC pin. These connections are fundamental for powering the MAX7219CWG.

2. DIG0-DIG7 (Digit Pins): These pins are responsible for driving individual digits or rows in a matrix. Connect each of these to the common cathode of each 7-segment display or matrix row.

3. SEG A-G and SEG DP (Segment Pins): These output pins control individual segments of the LED display, including the decimal point. They are connected to the respective segments of each display.

4. ISET Pin: This pin sets the current for all LEDs. Connect a resistor between this pin and ground to set the LED current.

5. LOAD (CS) Pin: This pin is used to load data into the chip. Data is sent serially via the DIN pin and latched with a high-to-low transition on this LOAD pin.

6. DIN (Data In) Pin: Serial data is input through this pin, typically connected to a microcontroller's output.

7. DOUT (Data Out) Pin: This pin outputs serial data to the next MAX7219CWG in a daisy-chain setup. It's usually left unconnected if only one chip is used.

8. CLK (Clock) Pin: The CLK pin receives the clock signal, synchronizing data transmission to and from the microcontroller.

When integrating the MAX7219CWG into a circuit, it's important to follow the datasheet precisely, particularly concerning the ISET resistor value, which determines LED brightness. Additionally, bypass capacitors are recommended on the power supply line to ensure stable operation. The MAX7219CWG is especially useful in projects requiring dynamic LED displays with minimal wiring complexity, such as digital clocks, temperature displays, or counter readouts.

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3. Are the MAX7219CWG price and inventory displayed accurate?

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6. What is the process for return or replacement of MAX7219CWG?

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 MAX7219CWG we delivered, we will accept the replacement or return of the MAX7219CWG 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 MAX7219CWG.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations