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DS8923AM - Texas Instruments

Description: RS-422 Line Drivers/Receiver

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DS8923AM - Texas Instruments - PCB symbol
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DS8923AM - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - d(r-pdso-g16)
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DS8923AM - Texas Instruments - 3D model - Small Outline Packages - d(r-pdso-g16)
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DS8923AM Details

  • Manufacturer Part Number:

    DS8923AM

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    PLASTIC, MS-012AC, SOIC-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    2 RECEIVERS ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVERS

  • Differential Output:

    YES

  • Driver Number of Bits:

    2

  • High Level Input Current-Max:

    0.00002 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; ESDI; ST412; ST506

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e0

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • 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:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    20 ns

  • Receiver Number of Bits:

    2

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    78 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

DS8923AM Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the analog and digital sections separate. Use short, direct traces for the analog inputs and outputs, and avoid crossing digital signals over the analog section.
  • To ensure accurate temperature measurement, use a thermocouple with a high-quality junction, and ensure good thermal contact between the thermocouple and the DS8923AM. Also, calibrate the device according to the datasheet, and consider using a cold junction compensation (CJC) circuit.
  • The maximum cable length for the analog output is typically around 10-15 feet (3-4.5 meters). If a longer cable is needed, consider using a shielded cable, and add a buffer amplifier or an isolation amplifier to maintain signal integrity.
  • The DS8923AM has a built-in POR and BOR. To handle these, ensure a stable power supply, and add a capacitor to the VCC pin to filter out noise. Also, consider adding a reset supervisor or a voltage monitor to detect and respond to power-on and brown-out events.
  • Calibrate the ADC by applying a known input voltage and adjusting the offset and gain registers according to the datasheet. Use a high-precision voltage reference, and consider using an external calibration circuit or a calibration potentiometer.

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DS8923AM Overview

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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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For a full list of alternate parts for DS8923AM, check out Findchips.com