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MAX7221CWG+T - Analog Devices

Description: Maxim Integrated MAX7221CWG+T, LED Display Driver, 8-Digits 7-Segments, 5.5 (Maximum) V, 24-Pin SOIC

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MAX7221CWG+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - W24+1
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MAX7221CWG+T - Analog Devices  - 3D model - Small Outline Packages - W24+1
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MAX7221CWG+T Details

  • Manufacturer Part Number:

    MAX7221CWG+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    24-SOIC_W-300_MIL

  • Package Description:

    SOP, SOP24,.4

  • Pin Count:

    24

  • Manufacturer Package Code:

    24-SOIC_W-300_MIL

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1997-07-15

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    COMMON-CATHODE

  • Data Input Mode:

    SERIAL

  • Display Mode:

    SEGMENT

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    15.4 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    YES

  • Number of Digits/Characters:

    8-DIGIT

  • Number of Functions:

    1

  • Number of Segments:

    7

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP24,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.5 mm

  • fmax-Min:

    1.3 MHz

MAX7221CWG+T Frequently Asked Questions (FAQs)

  • The MAX7221CWG+T can handle clock frequencies up to 10 MHz, but it's recommended to keep it below 5 MHz for reliable operation.
  • To ensure proper initialization, apply a reset pulse to the RST pin, and then send a series of NOP commands (0x00) to the device until it responds with a valid acknowledgement.
  • Keep digital and analog signals separate, use a solid ground plane, and route digital signals away from analog signals. Use a 10nF capacitor between VCC and GND to decouple the power supply.
  • Use a logic analyzer or oscilloscope to verify the clock and data signals, check the serial interface mode (SPI or I2C), and ensure that the correct protocol is being used. Also, verify that the RST pin is properly driven.
  • The MAX7221CWG+T's segment drivers can sink up to 40mA per segment, but it's recommended to keep the current below 20mA to ensure reliable operation and minimize power consumption.

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MAX7221CWG+T Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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