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ADA4940-1ARZ - Analog Devices

Description: Differential ADC Driver Low Power SOIC8 Analog Devices ADA4940-1ARZ, Differential ADC Driver 3 → 6 V 260MHz 8-Pin SOIC

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ADA4940-1ARZ - Analog Devices - PCB symbol
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PCB Footprints
ADA4940-1ARZ - Analog Devices PCB footprint - SOT23 (8-Pin) - SOT23 (8-Pin) - R-8
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3D Models
ADA4940-1ARZ - Analog Devices - 3D model - SOT23 (8-Pin) - R-8
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ADA4940-1ARZ Details

  • Manufacturer Part Number:

    ADA4940-1ARZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    1.6 µA

  • Bias Current-Max (IIB) @25C:

    3.5 µA

  • Common-mode Reject Ratio-Min:

    86 dB

  • Common-mode Reject Ratio-Nom:

    119 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    350 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    YES

  • Micropower:

    YES

  • 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:

    YES

  • Programmable Power:

    YES

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    95 V/us

  • Supply Current-Max:

    1.38 mA

  • Supply Voltage Limit-Max:

    8 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Gain-Min:

    0.99

  • Wideband:

    YES

  • Width:

    3.9 mm

ADA4940-1ARZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADA4940-1ARZ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the analog signal sources. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog power plane and a dedicated digital power plane.
  • To optimize the ADA4940-1ARZ's performance for high-frequency applications, use a low-ESR capacitor (e.g., 100nF) for power supply decoupling, and ensure that the input and output traces are as short as possible. Additionally, use a common-mode choke or a ferrite bead to filter out high-frequency noise.
  • The maximum allowable input voltage for the ADA4940-1ARZ is 6V. To protect the device from overvoltage, use a voltage clamp or a transient voltage suppressor (TVS) diode to limit the input voltage to within the recommended range.
  • To ensure the ADA4940-1ARZ's output is stable and free from oscillations, use a compensation capacitor (e.g., 10nF) between the output and the inverting input, and ensure that the output impedance is low enough to drive the load. Additionally, use a low-ESR capacitor for power supply decoupling.
  • The recommended operating temperature range for the ADA4940-1ARZ is -40°C to 125°C. Temperature affects the device's performance by changing its gain, bandwidth, and noise floor. As temperature increases, the device's gain and bandwidth decrease, while the noise floor increases.

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ADA4940-1ARZ 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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