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MAX488ECPA+ - Analog Devices

Description: RS-422/RS-485 Interface IC RS-485/RS-422 Transceiver

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MAX488ECPA+ - Analog Devices - PCB symbol
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MAX488ECPA+ - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - DIP_1=2020
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MAX488ECPA+ - Analog Devices - 3D model - Dual-In-Line Packages - DIP_1=2020
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MAX488ECPA+ Details

  • Manufacturer Part Number:

    MAX488ECPA+

  • 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, LEAD FREE, PLASTIC, MS-001AB, 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:

    1995-09-23

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • 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:

    70 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    TOTEM-POLE

  • Output Low Current-Max:

    0.004 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:

    2000 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    4.572 mm

  • Supply Current-Max:

    0.25 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • 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:

    2000 ns

  • Width:

    7.62 mm

MAX488ECPA+ Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the MAX488ECPA+ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the device and the signal sources. A 4-layer PCB with a dedicated ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes to ensure optimal performance.
  • Proper termination of the MAX488ECPA+ is crucial for reliable operation. The device requires a 50Ω termination resistor between the output pins (RX+/RX-) and the signal source. The termination resistor should be placed as close to the device as possible, and the traces should be kept short and matched to minimize reflections. Additionally, the device's output impedance should be matched to the transmission line impedance to prevent signal reflections.
  • The maximum cable length supported by the MAX488ECPA+ depends on the transmission rate, cable quality, and environment. As a general guideline, the device can support cable lengths up to 100 meters at 10 Mbps, 50 meters at 100 Mbps, and 20 meters at 1000 Mbps. However, it's essential to consult the datasheet and application notes for specific guidance on cable length and transmission rate.
  • To minimize EMI with the MAX488ECPA+, it's essential to follow proper PCB layout and design practices, such as using a solid ground plane, keeping the analog and digital grounds separate, and using shielding and filtering techniques. Additionally, the device's output should be filtered using a common-mode choke or a ferrite bead to reduce EMI emissions. It's also recommended to use a shielded cable and to keep the cable away from noise sources.
  • The power-up sequence for the MAX488ECPA+ is critical to ensure proper operation. The recommended power-up sequence is to apply the power supply voltage (VCC) first, followed by the logic input voltage (VDD). The device's output should be disabled during power-up, and the input signals should be applied only after the device is fully powered up and stable. Consult the datasheet and application notes for specific guidance on power-up sequencing.

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MAX488ECPA+ 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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