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ADM1485ARMZ - Analog Devices

Description: EIA RS-485 Transceiver

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ADM1485ARMZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RM-8 (MSOP)
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ADM1485ARMZ - Analog Devices  - 3D model - Small Outline Packages - RM-8 (MSOP)
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ADM1485ARMZ Details

  • Manufacturer Part Number:

    ADM1485ARMZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    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

  • Additional Feature:

    THERMAL SHUTDOWN PROTECTION

  • 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 Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    30 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    2.2 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:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    15 ns

  • Width:

    3 mm

ADM1485ARMZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADM1485ARMZ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, using a shielded cable for the RS-485 bus and keeping the bus lines as short as possible can help minimize EMI.
  • To ensure reliable communication in noisy environments, use a shielded cable for the RS-485 bus, terminate the bus with a 120-ohm resistor, and use a common-mode choke to filter out noise. Additionally, consider using a repeater or an isolator to extend the distance of the bus and improve noise immunity.
  • The maximum cable length for the RS-485 bus depends on the data rate and the type of cable used. As a general rule, the maximum cable length is 4000 feet (1219 meters) at a data rate of 10 Mbps. However, this can be extended using repeaters or isolators.
  • The ADM1485ARMZ can be configured for half-duplex or full-duplex operation by connecting the DE (driver enable) pin to the RE (receiver enable) pin for half-duplex operation, or by connecting the DE pin to VCC and the RE pin to GND for full-duplex operation.
  • The ADM1485ARMZ supports data rates up to 10 Mbps.

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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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