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78Q2123R/F - Analog Devices

Description: 10/100BASE-TX Transceiver

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78Q2123R/F - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 21-0697
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78Q2123R/F - Analog Devices  - 3D model - Quad Flat No-Lead - 21-0697
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78Q2123R/F Details

  • Manufacturer Part Number:

    78Q2123R/F

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    32-LFCSP-5X5X0.85

  • Package Description:

    5 X 5 MM, LEAD FREE, QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    32-LFCSP-5X5X0.85

  • Country Of Origin:

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

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2010-07-27

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    3

  • Data Rate:

    100000 Mbps

  • JESD-30 Code:

    S-XQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Number of Transceivers:

    1

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.9 mm

  • Supply Current-Max:

    0.11 mA

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Telecom IC Type:

    ETHERNET TRANSCEIVER

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

78Q2123R/F Frequently Asked Questions (FAQs)

  • For optimal thermal performance, it is recommended to use a 4-layer PCB with a solid ground plane, and to place thermal vias under the package to dissipate heat efficiently. Additionally, keeping the PCB traces as short and wide as possible can help reduce thermal resistance.
  • To ensure reliable operation in high-temperature environments, it is essential to follow proper thermal design and layout guidelines, and to consider the device's thermal derating. Additionally, using a heat sink or a thermal interface material can help to reduce the junction temperature and improve reliability.
  • The recommended input capacitors are 10uF to 22uF X7R or X5R ceramic capacitors, and the recommended output capacitors are 10uF to 47uF X7R or X5R ceramic capacitors. The capacitor values may vary depending on the specific application and operating conditions.
  • To troubleshoot common issues such as output voltage sag or oscillation, check the input voltage, output load, and PCB layout for any potential issues. Verify that the input and output capacitors are properly selected and placed, and that the device is operated within its recommended operating conditions. Additionally, using a scope or a spectrum analyzer can help to identify any oscillations or noise issues.
  • Operating the device beyond its recommended operating conditions can lead to reduced reliability, decreased performance, and potentially even device failure. It is essential to ensure that the device is operated within its recommended voltage, current, and temperature ranges to maintain its performance and reliability.

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78Q2123R/F 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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