MAX7221CWG+T

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MAX7221CWG+T

IC DRVR 7 SEGMNT 8 DIGIT 24SOIC

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Spezifikationen

Part Status Active
Display Type LED
Configuration 7 Segment + DP
Interface 4-Wire Serial
Digits or Characters 8 Digits
Current - Supply 330 mA
Voltage - Supply 4V ~ 5.5V
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package / Case 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SOIC
Base Product Number MAX7221

Übersicht

Description

The MAX7221CWG+T is a versatile and efficient LED display driver from Maxim Integrated, designed for controlling 7-segment displays, bar graphs, and LED matrices. It features a serial interface, allowing easy communication with microcontrollers via SPI (Serial Peripheral Interface), making it well-suited for embedded applications.
Key features include:
- 16 Segments: It can drive up to 64 individual LEDs or 8 digits of 7-segment displays.
- Brightness Control: Offers adjustable brightness settings through a simple command.
- Memory: Internal memory allows for the storage of display data, which simplifies the update process.
- Low Power Consumption: Suitable for battery-powered applications.
- Daisy-Chaining: Multiple MAX7221 devices can be connected in series, enabling control of larger display arrays.
The device is ideal for applications like clocks, counters, and other numerical displays, providing a robust solution for creating visually engaging interfaces with minimal component count.

Features

The MAX7221CWG+T is a versatile LED display driver designed for driving seven-segment or dot-matrix displays. Key features include:
1. Integrated Decoder: It supports direct decoding of BCD (Binary-Coded Decimal) to 7-segment display formats.
2. Multiple Display Configuration: Capable of driving up to 64 LEDs, supporting both individual and multiplexed displays.
3. SPI Interface: Allows for simple communication with microcontrollers through a 3-wire SPI interface.
4. Adjustable Brightness: Features adjustable LED brightness with a 16-step intensity control.
5. Memory: Includes a built-in memory for storing display data.
6. Low Power Consumption: Designed for energy efficiency, suitable for battery-powered applications.
7. Temperature Range: Operates within a wide temperature range, making it suitable for various environments.
These features make the MAX7221CWG+T an efficient choice for applications requiring reliable LED control in consumer electronics, industrial displays, and instrumentation.

Package

The MAX7221CWG+T is packaged in a 28-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The MAX7221CWG+T is a 24-pin microcontroller peripheral designed for controlling LED displays, particularly 7-segment displays. It features a serial interface that allows for efficient communication with microcontrollers.
Pin Count: 24 pins
Key Functions:
- V+ (Pin 1): Power supply voltage.
- GND (Pin 2): Ground.
- DIN (Pin 3): Serial data input.
- CLK (Pin 4): Clock input for data synchronization.
- LOAD (Pin 5): Load signal for transferring data to the display.
- DOUT (Pin 6): Serial data output for cascading multiple devices.
- Segment Outputs (Pins 7-14): Outputs for controlling the segments of the display (a-g, and DP).
- Digit Control Pins (Pins 15-20): Control the individual digits for multiplexing.
- Shutdown (Pin 21): Allows the device to enter a low-power mode.
- Test (Pin 22): Used for testing segments on the display.
- N/C (Pins 23-24): No connection.
The MAX7221 simplifies the control of LED displays, reducing the number of I/O pins required from the microcontroller.

Manufacturer

The MAX7221CWG+T is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated is a semiconductor company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits (ICs). The company specializes in products for various applications, including automotive, industrial, communications, and consumer electronics. Their focus on innovation and high-performance solutions has made them a key player in the semiconductor industry.

Application

The MAX7221CWG+T is a serial LED display driver used in various applications, including digital clocks, scoreboards, and home appliances. It facilitates control of multiple 7-segment or LED matrix displays, making it ideal for consumer electronics, industrial equipment, and instrumentation. Its ability to manage brightness and multiplexing enhances visual output while minimizing microcontroller load, suitable for embedded systems and visual indicators.

Equivalent

The MAX7221CWG+T chip, a LED display driver, has several equivalent products, including the HT16K33, TM1637, and MAX7219. These alternatives provide similar functionalities for controlling LED matrices and 7-segment displays, supporting I2C or SPI communication protocols. Always check specific features and compatibility for your application.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

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