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DS485N/NOPB - Texas Instruments

Description: Low-Power RS-485/RS-422 Multipoint Transceiver

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DS485N/NOPB - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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DS485N/NOPB - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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DS485N/NOPB Details

  • Manufacturer Part Number:

    DS485N/NOPB

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • 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; TIA-485

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.817 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 Low Current-Max:

    0.004 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    320 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max:

    0.9 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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Transmit Delay-Max:

    65 ns

  • Width:

    7.62 mm

DS485N/NOPB Frequently Asked Questions (FAQs)

  • The maximum cable length for the DS485N/NOPB is dependent on the baud rate and the type of cable used. As a general rule, the maximum cable length is 4000 feet (1219 meters) at 9600 bps, 2000 feet (610 meters) at 19,200 bps, and 1000 feet (305 meters) at 38,400 bps.
  • To terminate the bus in a DS485N/NOPB network, a 120-ohm resistor should be connected between the differential lines (A and B) at each end of the bus. This is to prevent signal reflections and ensure reliable data transmission.
  • The maximum number of nodes that can be connected to a DS485N/NOPB network is 32. This is because the DS485N/NOPB uses a 5-bit node address, which allows for up to 32 unique addresses.
  • Collisions in a DS485N/NOPB network can be handled using a collision detection and retransmission mechanism. When a collision is detected, the transmitting node should back off for a random period of time before retransmitting the data.
  • The power consumption of the DS485N/NOPB is typically 10mA in the active mode and 1mA in the standby mode. However, the actual power consumption may vary depending on the operating frequency, voltage, and other factors.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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