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MAX31855KASA+ - Analog Devices

Description: MAX31855KASA+, 14 bit Temperature Sensor ±2 °C SPI 3 → 3.6 V 8-Pin SOIC

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MAX31855KASA+ - Analog Devices - PCB symbol
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MAX31855KASA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S8+4
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MAX31855KASA+ - Analog Devices - 3D model - Small Outline Packages - S8+4
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MAX31855KASA+ Details

  • Manufacturer Part Number:

    MAX31855KASA+

  • 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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • 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

MAX31855KASA+ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate analog ground plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a star topology for the power supply and keep the thermocouple wires away from the digital signals.
  • Calibration is not required for the MAX31855KASA+, as it is a plug-and-play device. However, you can perform a self-calibration by connecting the thermocouple to the device and allowing it to auto-calibrate. This process takes around 30 seconds.
  • The maximum length of the thermocouple wire depends on the type of thermocouple and the noise environment. As a general rule, keep the thermocouple wire as short as possible (less than 10 feet) to minimize noise pickup. Use a shielded cable and twist the wires together to reduce electromagnetic interference.
  • The MAX31855KASA+ is designed to work with K-type thermocouples. While it may be possible to use it with other thermocouple types, the accuracy and performance may not be guaranteed. Consult the datasheet and application notes for more information.
  • The MAX31855KASA+ has built-in cold junction compensation (CJC). The device measures the temperature of the cold junction and compensates for it internally. No external CJC circuitry is required.

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MAX31855KASA+ 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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