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MAX14978ETO+ - Analog Devices

Description: SuperSpeed USB Passive Switch (Low/Full/Hi/SuperSpeed)

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PCB Footprints
MAX14978ETO+ - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 42 TQFN-EP (21-0181 REV. C)
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3D Models
MAX14978ETO+ - Analog Devices  - 3D model - Quad Flat No-Lead - 42 TQFN-EP (21-0181 REV. C)
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MAX14978ETO+ Details

  • Manufacturer Part Number:

    MAX14978ETO+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    42-LFCSP-3.5X9X0.75

  • Package Description:

    3.50 X 9 MM, ROHS COMPLIANT, TQFN-42

  • Pin Count:

    42

  • Manufacturer Package Code:

    42-LFCSP-3.5X9X0.75

  • Country Of Origin:

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

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2010-10-19

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Analog IC - Other Type:

    SPDT

  • JESD-30 Code:

    R-XQCC-N42

  • JESD-609 Code:

    e3

  • Length:

    9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    42

  • Off-state Isolation-Nom:

    26 dB

  • On-state Resistance Match-Nom:

    0.6 Ω

  • On-state Resistance-Max (Ron):

    10 Ω

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    SEPARATE OUTPUT

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC42,.14X.35,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Signal Current-Max:

    0.07 A

  • Supply Current-Max (Isup):

    0.06 mA

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Switch-off Time-Max:

    50 ns

  • Switch-on Time-Max:

    250 ns

  • Switching:

    BREAK-BEFORE-MAKE

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3.5 mm

MAX14978ETO+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX14978ETO+ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated layer for the analog signals, and to keep the signal traces short and direct.
  • The MAX14978ETO+ requires a single 3.3V or 5V power supply. It's recommended to use a low-noise power supply and to ensure that the power supply is stable before applying signals to the device. The power sequencing requirements are not critical, but it's recommended to power up the device before applying signals to the inputs.
  • The maximum cable length supported by the MAX14978ETO+ depends on the specific application and the type of cable used. However, as a general guideline, the device can support cable lengths up to 100 meters for RS-485 and up to 10 meters for RS-232. It's recommended to use a cable with a characteristic impedance of 120 ohms for RS-485 and 100 ohms for RS-232.
  • The MAX14978ETO+ can be configured for half-duplex or full-duplex operation by controlling the RTS (Request to Send) and CTS (Clear to Send) signals. For half-duplex operation, the RTS signal should be tied to the CTS signal, while for full-duplex operation, the RTS signal should be driven independently of the CTS signal.
  • The MAX14978ETO+ has an ESD protection level of ±15kV human body model (HBM) and ±8kV IEC 61000-4-2 contact discharge.

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MAX14978ETO+ 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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