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MAX4081TASA+ - Analog Devices

Description: 76V, High-Side, Current-Sense Amplifiers with Voltage Output

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MAX4081TASA+ - Analog Devices - PCB symbol
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PCB Footprints
MAX4081TASA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 21-0041
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MAX4081TASA+ - Analog Devices - 3D model - Small Outline Packages - 21-0041
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MAX4081TASA+ Details

  • Manufacturer Part Number:

    MAX4081TASA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • 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:

    8542.33.00.01

  • Date Of Intro:

    2002-11-04

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Amplifier Type:

    CURRENT SENSE AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    12 µA

  • Common-mode Reject Ratio-Min:

    100 dB

  • Common-mode Reject Ratio-Nom:

    124 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    1200 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • 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

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.19 mA

  • Supply Voltage Limit-Max:

    80 V

  • Supply Voltage-Nom (Vsup):

    48 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • 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

  • Unity Gain BW-Nom:

    150

  • Wideband:

    NO

  • Width:

    3.9 mm

MAX4081TASA+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX4081TASA+ involves keeping the input traces as short as possible, using a ground plane, and placing the device close to the current-sense resistor. Additionally, it's recommended to use a Kelvin connection to the sense resistor to minimize parasitic inductance and resistance.
  • Calibration involves applying a known current to the sense resistor and adjusting the gain and offset of the device to match the expected output voltage. The datasheet provides a calibration procedure, and it's recommended to perform calibration at multiple temperatures to ensure accuracy over the operating range.
  • The MAX4081TASA+ can measure currents up to ±3A, and it has an overcurrent detection feature that can be used to trigger an interrupt or shutdown the system in case of an overcurrent event. The device also has a built-in overvoltage protection circuit to prevent damage from excessive voltage.
  • The MAX4081TASA+ has a high common-mode rejection ratio (CMRR) of 86dB, which allows it to accurately measure currents in the presence of common-mode voltage. The device can handle common-mode voltages up to ±12V, making it suitable for use in high-voltage systems.
  • The MAX4081TASA+ has a typical power consumption of 1.2mA, which is relatively low compared to other current-sense amplifiers. However, the power consumption can increase depending on the output voltage and load current. It's essential to consider the power consumption of the MAX4081TASA+ when designing the system power budget.

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MAX4081TASA+ 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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