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AD8237ARMZ-R7 - Analog Devices

Description: AD8237ARMZ-R7 Analog Devices, Instrumentation Amplifier, 75μV Offset 100kHz, R-RI/O, 1.8 → 5.5 V, 8-Pin MSOP

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AD8237ARMZ-R7 - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8MSOP-1
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AD8237ARMZ-R7 Details

  • Manufacturer Part Number:

    AD8237ARMZ-R7

  • Source Url Status Check Date:

    2013-05-01 14:56:24.985

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    RM-8

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.001 µA

  • Bandwidth (3dB)-Nom:

    0.2 MHz

  • Common-mode Reject Ratio-Min:

    104 dB

  • Input Offset Current-Max (IIO):

    0.001 µA

  • Input Offset Voltage-Max:

    75 µV

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Non-linearity-Max:

    0.001%

  • 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR, 7 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    0.15 V/us

  • Supply Current-Max:

    0.15 mA

  • Supply Voltage Limit-Max:

    6 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Voltage Gain-Max:

    1000

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    10

  • Width:

    3 mm

AD8237ARMZ-R7 Frequently Asked Questions (FAQs)

  • The AD8237 datasheet provides a recommended layout and placement guide, but it's essential to follow good PCB design practices, such as keeping the analog and digital grounds separate, using a solid ground plane, and minimizing noise coupling. Additionally, place the AD8237 close to the electrodes and use short, shielded cables to connect to the electrodes.
  • The AD8237 has a fixed gain of 100, but you can adjust the gain externally using resistors. For filtering, the AD8237 has a built-in high-pass filter (HPF) and low-pass filter (LPF). You can adjust the filter cutoff frequencies by selecting the appropriate capacitor values. Consult the datasheet and application notes for guidance on optimizing the gain and filtering for your specific application.
  • The AD8237 can handle input voltages up to ±300 mV. However, it's essential to ensure that the input voltage does not exceed the maximum rating to avoid damaging the device. You can use external protection circuitry, such as voltage-limiting resistors or diodes, to prevent overvoltage conditions.
  • To reduce noise and interference, use proper shielding, grounding, and layout techniques. Use a Faraday shield around the ECG electrodes and cables, and ensure that the AD8237 is placed in a quiet area of the PCB. Additionally, use a common-mode choke or ferrite beads to filter out electromagnetic interference (EMI).
  • The AD8237 has a typical power consumption of 1.5 mA. To reduce power consumption, consider using a lower supply voltage, reducing the clock frequency, or using the device's shutdown mode when not in use. You can also use power-saving techniques, such as dynamic voltage and frequency scaling, to minimize power consumption.

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AD8237ARMZ-R7 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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