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MAX3157EAI+T - Analog Devices

Description: RS-422/RS-485 Interface IC High CMRR RS-485 Transceiver with A +/- 50V Isolation

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MAX3157EAI+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 28 SSOP
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MAX3157EAI+T - Analog Devices  - 3D model - Small Outline Packages - 28 SSOP
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MAX3157EAI+T Details

  • Manufacturer Part Number:

    MAX3157EAI+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    28-SSOP-5.3_MM

  • Package Description:

    SSOP, SSOP28,.3

  • Pin Count:

    28

  • Manufacturer Package Code:

    28-SSOP-5.3_MM

  • Reach Compliance Code:

    Compliant

  • 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:

    2000-07-15

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    10.2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Low Current-Max:

    0.004 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    600 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.99 mm

  • Supply Current-Max:

    85 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    HYBRID

  • 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:

    2000 ns

  • Width:

    5.29 mm

MAX3157EAI+T Frequently Asked Questions (FAQs)

  • A good PCB layout practice for the MAX3157EAI+T is to keep the analog and digital grounds separate, use a solid ground plane, and keep the clock and data lines as short as possible. Additionally, use a ferrite bead or a series resistor to filter the clock input and reduce EMI.
  • To ensure reliable operation of the MAX3157EAI+T in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking, using a thermally conductive PCB material, and keeping the device within its specified operating temperature range.
  • The maximum cable length supported by the MAX3157EAI+T for RS-485 communication depends on the baud rate and the cable characteristics. As a general rule, the maximum cable length is approximately 4000 feet (1219 meters) at 9600bps and 1000 feet (305 meters) at 115.2kbps.
  • Yes, the MAX3157EAI+T can be used in a multi-point RS-485 network. However, it is recommended to use a repeater or a hub to extend the network distance and improve signal integrity. Additionally, ensure that the total bus capacitance does not exceed 254pF to maintain reliable operation.
  • To troubleshoot common issues with the MAX3157EAI+T, start by checking the power supply voltage, clock frequency, and signal integrity. Use an oscilloscope to verify the signal waveforms and check for noise or distortion. Also, ensure that the device is properly configured and that the firmware is up-to-date.

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MAX3157EAI+T 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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