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MAX485CUA+ - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - MAX485CUA+ - Transceiver RS422, RS485, 4.75V-5.25V supply, 1 Driver, µMAX-8

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MAX485CUA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - U8+1
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MAX485CUA+ Details

  • Manufacturer Part Number:

    MAX485CUA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-MINI_SO-N/A

  • Package Description:

    USOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-MINI_SO-N/A

  • 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:

    2000-01-13

  • 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:

    0.001 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °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:

    SOP

  • Package Equivalence Code:

    SSOP8,.2

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    200 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.9 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:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    60 ns

  • Width:

    3.9 mm

MAX485CUA+ Frequently Asked Questions (FAQs)

  • The MAX485CUA+ can support data rates up to 2.5 Mbps, making it suitable for high-speed serial communication applications.
  • To ensure reliable communication in noisy environments, use a common-mode choke or a ferrite bead in series with the twisted pair cable to reduce electromagnetic interference (EMI). Additionally, use a shielded cable and connect the shield to the GND pin of the MAX485CUA+.
  • The maximum cable length that can be used with the MAX485CUA+ depends on the data rate and the cable characteristics. As a general rule, the maximum cable length is approximately 1000 feet (305 meters) at 9600 bps and 100 feet (30 meters) at 1 Mbps. However, this can be extended by using repeaters or by reducing the data rate.
  • To handle bus contention and fault tolerance in a multi-point RS-485 network, use a combination of hardware and software techniques. Implement a protocol that uses a master-slave architecture, where the master device controls the bus and the slave devices respond accordingly. Use a fault-tolerant protocol that can detect and recover from errors. Additionally, use a hardware fault detector, such as a voltage supervisor, to detect and respond to bus faults.
  • The power consumption of the MAX485CUA+ depends on the operating mode and the supply voltage. In the shutdown mode, the power consumption is typically less than 1 μA. In the active mode, the power consumption is typically around 30 mA at 5V supply voltage.

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MAX485CUA+ 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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