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ADM4850ARMZ - Analog Devices

Description: Analog Devices ADM4850ARMZ, ADSL Receiver +5 V Differential, 8-Pin MSOP

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ADM4850ARMZ - Analog Devices - PCB symbol
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PCB Footprints
ADM4850ARMZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead Mini Small Outline Package [MSOP] (RM-8)
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ADM4850ARMZ - Analog Devices - 3D model - Small Outline Packages - 8-Lead Mini Small Outline Package [MSOP] (RM-8)
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ADM4850ARMZ Details

  • Manufacturer Part Number:

    ADM4850ARMZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, MO-187AA, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    RM-8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000001 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.004 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    1000 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    0.16 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.25 V

  • Supply Voltage1-Min:

    4.75 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    2500 ns

  • Width:

    3 mm

ADM4850ARMZ Frequently Asked Questions (FAQs)

  • The maximum cable length depends on the data rate and the type of cable used. As a general rule, the maximum cable length for RS-485 is 4000 feet (1219 meters) at a data rate of 100 kbps. However, this can be affected by factors such as cable quality, noise, and termination. It's recommended to consult the RS-485 standard and perform testing to determine the maximum cable length for a specific application.
  • To ensure reliable communication in a noisy environment, it's recommended to use a shielded twisted-pair cable, properly terminate the bus, and use a common-mode choke or ferrite bead to reduce electromagnetic interference (EMI). Additionally, consider using a transceiver with built-in noise filtering and slew-rate limiting, such as the ADM4850ARMZ, to improve noise immunity.
  • The main difference between the ADM4850ARMZ and the ADM4851ARMZ is the output current capability. The ADM4850ARMZ has a maximum output current of 250 mA, while the ADM4851ARMZ has a maximum output current of 500 mA. The ADM4851ARMZ is also more suitable for high-speed applications up to 50 Mbps, while the ADM4850ARMZ is limited to 10 Mbps.
  • A fail-safe biasing scheme can be implemented by connecting a 1 kΩ resistor between the DE and VCC pins, and a 1 kΩ resistor between the RE and GND pins. This ensures that the transmitter is enabled and the receiver is disabled when the microcontroller is in reset or power-down mode, preventing unwanted data transmission.
  • To minimize electromagnetic interference (EMI) and ensure reliable operation, it's recommended to follow a star topology for the RS-485 bus, keep the bus lines as short as possible, and avoid running the bus lines near noise sources or high-current paths. Additionally, use a ground plane and keep the ADM4850ARMZ as close to the microcontroller as possible to reduce noise and improve signal integrity.

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ADM4850ARMZ 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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