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DS8921MX - Texas Instruments

Description: RS-422 Interface IC Differential Line Drivers and Receiver Pair 8-SOIC 0 to 70

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DS8921MX - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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DS8921MX Details

  • Manufacturer Part Number:

    DS8921MX

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    PLASTIC, MS-012AA, SOIC-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:

    0.00002 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Out Swing-Min:

    2.5 V

  • Output Low Current-Max:

    0.008 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    22.5 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    35 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    20

  • Transmit Delay-Max:

    15 ns

  • Width:

    3.9 mm

DS8921MX Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VREF, and then the input signals. This ensures proper device operation and prevents potential latch-up conditions.
  • To ensure accurate temperature measurements, it's essential to calibrate the device, use a high-accuracy voltage reference, and minimize thermal gradients on the device. Additionally, use the device's internal temperature sensor or an external thermistor for accurate temperature measurement.
  • The maximum allowed input voltage for the DS8921MX is 5.5V. Exceeding this voltage may cause permanent damage to the device.
  • During power-down or reset, the device's output is high-impedance (Hi-Z). This means the output is not driven and can be safely ignored or left unconnected.
  • The VREF pin is used to set the reference voltage for the device's internal analog-to-digital converter (ADC). This pin should be connected to a stable, low-noise voltage reference to ensure accurate conversions.

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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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