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MAX31855SASA+T - Analog Devices

Description: Sensor Interface Cold-Junction Compensated Thermocouple-to-Digital Convert S TYPE

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MAX31855SASA+T - Analog Devices - PCB symbol
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MAX31855SASA+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8 SO
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MAX31855SASA+T - Analog Devices - 3D model - Small Outline Packages - 8 SO
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MAX31855SASA+T Details

  • Manufacturer Part Number:

    MAX31855SASA+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • Package Description:

    ROHS COMPLIANT, SOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-SOIC_N-150_MIL

  • Country Of Origin:

    Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2011-04-05

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    1.5 mA

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

MAX31855SASA+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX31855SASA+T involves keeping the thermocouple traces as short as possible, using a dedicated ground plane, and minimizing noise coupling from other components. A 4-layer PCB with a solid ground plane and a separate layer for the thermocouple traces is recommended.
  • The MAX31855SASA+T has an internal CJC sensor, but it's recommended to use an external CJC sensor for higher accuracy. The internal CJC sensor can be used as a backup or for initial calibration. The datasheet provides guidelines for using an external CJC sensor.
  • The maximum cable length for the thermocouple connection depends on the type of thermocouple, cable quality, and noise environment. As a general rule, keep the cable length as short as possible (less than 1 meter) to minimize noise and ensure accurate measurements.
  • The MAX31855SASA+T has a built-in thermocouple lookup table, but you may need to calibrate it for your specific thermocouple type. You can use the datasheet's calibration procedure or consult with Analog Devices' application notes for guidance.
  • The recommended power-up sequence is to power up the VCC pin first, followed by the VLOGIC pin. This ensures that the internal voltage regulators are properly initialized and the device operates correctly.

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MAX31855SASA+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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