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MAX31855JASA+T - Analog Devices

Description: Cold-Junction Compensated Thermocouple-to-Digital Converter Power-Supply Voltage,3.0 3.3 3.6 VCurrent 900 1500 µA

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MAX31855JASA+T - Analog Devices - PCB symbol
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MAX31855JASA+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S8+4
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MAX31855JASA+T - Analog Devices - 3D model - Small Outline Packages - S8+4
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MAX31855JASA+T Details

  • Manufacturer Part Number:

    MAX31855JASA+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

MAX31855JASA+T Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for accurate temperature measurements. Keep the thermocouple wires away from the digital lines, and use a ground plane to reduce noise. Place the MAX31855JASA+T close to the thermocouple junction, and use a small, isolated area for the thermocouple connections. Refer to the application note AN154 for more details.
  • The MAX31855JASA+T has an internal CJC sensor, which measures the temperature of the IC itself. This temperature is then used to compensate for the cold-junction effect. No external CJC circuitry is required, but ensure that the IC is in thermal equilibrium with the cold junction for accurate measurements.
  • The maximum length of the thermocouple wires depends on the type of thermocouple, the wire gauge, and the noise environment. As a general rule, keep the thermocouple wires as short as possible (less than 10 feet) to minimize noise pickup and ensure accurate measurements.
  • No, the MAX31855JASA+T is specifically designed to work with thermocouples (K, J, N, T, E, B, R, and S types). It is not compatible with thermopiles or other types of temperature sensors.
  • The MAX31855JASA+T does not require calibration. It has an internal calibration circuit that ensures accurate temperature measurements. However, ensure that the thermocouple is properly connected and the device is operated within its specified temperature range.

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MAX31855JASA+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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