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MAX7221EWG+T - Analog Devices

Description: LED Display Drivers Serially Interfaced, 8-Digit, LED Display Drivers

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MAX7221EWG+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - W24+1
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MAX7221EWG+T - Analog Devices  - 3D model - Small Outline Packages - W24+1
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MAX7221EWG+T Details

  • Manufacturer Part Number:

    MAX7221EWG+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:

    85 °C

  • Operating Temperature-Min:

    -40 °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:

    INDUSTRIAL

  • 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

MAX7221EWG+T Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the MAX7221EWG+T is 10MHz. However, it's recommended to operate at a frequency of 5MHz or less to ensure reliable operation.
  • It's recommended to tie the BLANK pin to VCC through a 1kΩ resistor to ensure that the display is blanked during power-up and power-down sequences. This prevents unwanted display activity during these transitions.
  • The recommended value for the external capacitor (C1) connected to the VCC pin is 0.1μF to 1μF. This capacitor helps to filter out noise and ensure stable operation.
  • Yes, the MAX7221EWG+T can operate with a 3.3V supply voltage. However, the output voltage of the internal voltage regulator (VREG) will be around 2.7V, which may affect the brightness of the display. It's recommended to use a 5V supply voltage for optimal performance.
  • To troubleshoot display issues, check the following: (1) Ensure that the display is properly connected and configured. (2) Verify that the clock frequency is within the recommended range. (3) Check the data transmission format and ensure that it matches the device's requirements. (4) Verify that the BLANK pin is properly configured. (5) Check for noise or interference on the power supply lines.

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MAX7221EWG+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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