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MAX251CPD+ - Analog Devices

Description: MAX251CPD+, Line Transceiver, RS-232 2-TX 2-RX 2-TRX, 5 V, 14-Pin PDIP

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MAX251CPD+ - Analog Devices - PCB symbol
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PCB Footprints
MAX251CPD+ - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 14 PDIP
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MAX251CPD+ - Analog Devices - 3D model - Dual-In-Line Packages - 14 PDIP
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MAX251CPD+ Details

  • Manufacturer Part Number:

    MAX251CPD+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    14-PDIP-300_MIL

  • Package Description:

    PLASTIC, DIP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    14-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:

    1989-07-01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    ISOLATED DATA INTERFACE-PAIRED WITH MAX250; RS-232 TO OPTO INTERFACE; TRISTATABLE RECEIVERS

  • Differential Output:

    NO

  • Driver Number of Bits:

    2

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-232-C; V.28

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e3

  • Length:

    19.558 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Out Swing-Min:

    10 V

  • Output Characteristics:

    TOTEM-POLE

  • Output Low Current-Max:

    0.0032 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receiver Number of Bits:

    2

  • Seated Height-Max:

    5.72 mm

  • Supply Current-Max:

    2.5 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    4.5 V

  • Supply Voltage1-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

  • Width:

    7.62 mm

MAX251CPD+ Frequently Asked Questions (FAQs)

  • A good layout and routing practice for the MAX251CPD+ 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 power supply. Additionally, it's recommended to use a shielded cable for the RS-485 bus and to keep the bus away from noisy digital signals.
  • To ensure reliable communication over long distances, it's essential to use a twisted-pair cable, maintain a consistent impedance throughout the bus, and use termination resistors at both ends of the bus. Additionally, the MAX251CPD+ has a built-in slew-rate limiter that can be adjusted to reduce electromagnetic interference (EMI) and improve signal integrity.
  • The maximum cable length supported by the MAX251CPD+ depends on the data rate and the type of cable used. As a general rule, the maximum cable length is inversely proportional to the square root of the data rate. For example, at a data rate of 10 Mbps, the maximum cable length is approximately 1000 meters, while at a data rate of 100 kbps, the maximum cable length is approximately 4000 meters.
  • The MAX251CPD+ has built-in fault-tolerant features such as short-circuit protection, thermal shutdown, and receiver fault detection. In addition, the device provides a fault flag output that can be used to detect and respond to faults and errors. It's recommended to implement a fault-handling routine in the system firmware to detect and respond to faults and errors in a timely and effective manner.
  • Yes, the MAX251CPD+ can be used in a multi-drop configuration, where multiple devices are connected to the same bus. However, it's essential to ensure that the total bus capacitance does not exceed the maximum recommended value, and that each device has a unique address to prevent data collisions.

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MAX251CPD+ Overview

Use the download button to access the MAX251CPD+ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like MAX25, or try a keyword search, such as Line Driver or Receivers

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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For a full list of alternate parts for MAX251CPD+, check out Findchips.com