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MAX3485EPA+ - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - MAX3485EPA+ - RS422/RS485 TXRX, 10MBPS, 3.6V, DIP-8

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MAX3485EPA+ - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P8+3
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MAX3485EPA+ Details

  • Manufacturer Part Number:

    MAX3485EPA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-PDIP-300_MIL

  • Package Description:

    0.300 INCH, PLASTIC, DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-PDIP-300_MIL

  • Country Of Origin:

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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1994-12-01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000002 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.375 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:

    0.0025 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    90 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    4.572 mm

  • Supply Current-Max:

    2.2 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    35 ns

  • Width:

    7.62 mm

MAX3485EPA+ Frequently Asked Questions (FAQs)

  • The MAX3485E requires careful layout and routing to ensure proper operation. A recommended layout is to keep the transmitter and receiver sections separate, use a solid ground plane, and keep the signal traces short and away from noise sources. Additionally, the datasheet recommends using a 4-layer PCB with a dedicated ground plane and power plane.
  • To ensure reliable operation over long cables, it's essential to follow proper cable termination and impedance matching techniques. The MAX3485E requires a 100Ω differential impedance, and the cable should be terminated with a 100Ω resistor at the receiving end. Additionally, using shielded twisted-pair cables and keeping the cable length as short as possible can help reduce signal degradation.
  • The maximum cable length supported by the MAX3485E depends on the specific application and the signal quality required. In general, the MAX3485E can support cable lengths up to 100 meters at data rates up to 10Mbps. However, for longer cable lengths or higher data rates, repeaters or signal conditioning circuits may be required.
  • The MAX3485E is designed to handle common-mode voltages up to ±7V. However, if the common-mode voltage exceeds this range, it can cause the device to malfunction. To handle common-mode voltage issues, it's essential to use a common-mode filter or a voltage translator to ensure that the common-mode voltage remains within the specified range.
  • The power consumption of the MAX3485E depends on the specific application and the operating conditions. In general, the MAX3485E has a typical power consumption of 135mW at 3.3V supply voltage and 10Mbps data rate. However, the power consumption can be reduced by using a lower supply voltage or reducing the data rate.

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MAX3485EPA+ 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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