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MAX3181EUK+T - Analog Devices

Description: RS-232 Interface IC .5uA 3-5.5V 1.5Mbps RS-232 Rcvr

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MAX3181EUK+T - Analog Devices - PCB symbol
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MAX3181EUK+T - Analog Devices PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - 5 SOT23-5_B
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MAX3181EUK+T - Analog Devices - 3D model - SOT23 (5-Pin) - 5 SOT23-5_B
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MAX3181EUK+T Details

  • Manufacturer Part Number:

    MAX3181EUK+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    5-SOT_23-N/A

  • Package Description:

    LSSOP, TSOP5/6,.11,37

  • Pin Count:

    5

  • Manufacturer Package Code:

    5-SOT_23-N/A

  • Reach Compliance Code:

    Compliant

  • Similar Group:

    LR001001101310021080

  • 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:

    1999-04-07

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE RECEIVER

  • Interface Standard:

    EIA-232; V.24; V.28

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Low Current-Max:

    0.0016 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.45 mm

  • Supply Current-Max:

    0.005 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.625 mm

MAX3181EUK+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX3181EUK+T involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing noise coupling between the thermocouple inputs and the digital outputs. A 4-layer PCB with a dedicated ground plane is recommended. Additionally, the thermocouple inputs should be routed away from the digital outputs and other noisy signals.
  • The MAX3181EUK+T has an internal cold junction compensation (CJC) circuit that measures the temperature of the IC itself. However, for high-accuracy applications, it's recommended to use an external CJC sensor, such as a thermistor or a thermocouple, to measure the temperature of the cold junction. The CJC voltage can then be applied to the CJCIN pin of the MAX3181EUK+T.
  • The maximum cable length for the thermocouple inputs of the MAX3181EUK+T depends on the type of thermocouple, the cable material, and the noise environment. As a general rule, shorter cables are recommended to minimize noise pickup and signal degradation. However, cable lengths up to 100 feet (30 meters) have been successfully used in some applications. It's recommended to use shielded cables and to follow proper thermocouple wiring practices.
  • The MAX3181EUK+T has a built-in calibration circuit that allows for calibration of the thermocouple inputs. To calibrate the device, apply a known temperature to the thermocouple inputs and measure the output voltage. Then, use the CALIN pin to adjust the output voltage to match the known temperature. Repeat this process for multiple temperatures to create a calibration curve. It's recommended to use a high-accuracy temperature reference, such as a platinum RTD, for calibration.
  • The recommended power-up sequence for the MAX3181EUK+T is to apply the power supply voltage (VCC) first, followed by the logic input signals (such as CS and SCK). This ensures that the internal voltage regulators and analog circuits are properly initialized before the digital logic is enabled.

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MAX3181EUK+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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