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DS21554L+ - Analog Devices

Description: Telecom Interface ICs 3.3V/5V E1 Single Chip Transceivers (SCT)

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DS21554L+ - Analog Devices - PCB symbol
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PCB Footprints
DS21554L+ - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - 100 LQFP
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3D Models
DS21554L+ - Analog Devices - 3D model - Quad Flat Packages - 100 LQFP
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DS21554L+ Details

  • Manufacturer Part Number:

    DS21554L+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    100-LQFP-14X14X1.4

  • Package Description:

    14 X 14 MM, ROHS COMPLIANT, LQFP-100

  • Pin Count:

    100

  • Manufacturer Package Code:

    100-LQFP-14X14X1.4

  • Country Of Origin:

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

  • Date Of Intro:

    2001-07-24

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    3

  • Carrier Type:

    CEPT PCM-30/E-1

  • Data Rate:

    2048 Mbps

  • ISDN Access Rate:

    PRIMARY

  • JESD-30 Code:

    S-PQFP-G100

  • JESD-609 Code:

    e3

  • Length:

    14 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    100

  • Operating Temperature-Max:

    70 °C

  • Output Low Current-Max:

    0.004 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Equivalence Code:

    QFP100,.63SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.6 mm

  • Supply Current-Max:

    75 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Telecom IC Type:

    PCM TRANSCEIVER

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    14 mm

DS21554L+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the DS21554L+ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing noise coupling between the analog and digital sections. It's also recommended to use a 4-layer PCB with a dedicated power plane and to follow the layout guidelines provided in the datasheet.
  • To optimize the performance of the DS21554L+ in a noisy environment, use shielding, filtering, and decoupling techniques. Add ferrite beads or chokes to the power supply lines, use a common-mode filter on the analog input lines, and decouple the power supply pins with capacitors. Additionally, consider using a Faraday cage or a shielded enclosure to reduce electromagnetic interference.
  • The maximum cable length supported by the DS21554L+ depends on the specific application and the type of cable used. However, as a general guideline, the datasheet recommends keeping the cable length below 10 meters (33 feet) to ensure reliable data transmission. If longer cable lengths are required, consider using repeaters or active cables to maintain signal integrity.
  • The DS21554L+ is rated for operation up to 85°C (185°F), but it's recommended to derate the device's performance at higher temperatures. For extended temperature ranges, consider using a heat sink or a thermally conductive material to dissipate heat. Always check the device's specifications and consult with Analog Devices Inc. for specific guidance on high-temperature operation.
  • To troubleshoot issues with the DS21554L+, start by verifying the power supply voltage, clock frequency, and signal integrity. Use an oscilloscope to check the signal waveforms and ensure that they meet the datasheet specifications. Consult the datasheet and application notes for troubleshooting guidelines, and consider using a logic analyzer or a protocol analyzer to debug digital communication issues.

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DS21554L+ Overview

Use the download button to access the DS21554L+ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like DS215, or try a keyword search, such as Digital Transmission Interfaces

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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DS21554L+ Alternates

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Part Image DS21554L+ Maxim Integrated Products

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Part Image DS21554LN+ Maxim Integrated Products

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Part Image DS21554LN Maxim Integrated Products

PCM Transceiver, 1-Func, CEPT PCM-30/E-1, CMOS, PQFP100
Part Image DS21554L Maxim Integrated Products

PCM Transceiver, 1-Func, CEPT PCM-30/E-1, CMOS, PQFP100