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AD8138AR - Analog Devices

Description: SP Amp Differential ADC Driver Single ±5.5V/11V 8-Pin SOIC N Tube

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AD8138AR - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-8 (SOIC)
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AD8138AR Details

  • Manufacturer Part Number:

    AD8138AR

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    7 µA

  • Bias Current-Max (IIB) @25C:

    7 µA

  • Common-mode Reject Ratio-Nom:

    77 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    2500 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -5.5 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °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 OUT LINE

  • Peak Reflow Temperature (Cel):

    240

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    1150 V/us

  • Supply Current-Max:

    23 mA

  • Supply Voltage Limit-Max:

    5.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Tin/Lead (Sn85Pb15)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    265000

  • Voltage Gain-Min:

    0.9955

  • Wideband:

    NO

  • Width:

    3.9 mm

AD8138AR Frequently Asked Questions (FAQs)

  • The AD8138AR requires careful layout and placement to minimize noise and ensure optimal performance. It is recommended to place the device close to the signal source, use a solid ground plane, and keep the input and output traces short and symmetrical. Additionally, decoupling capacitors should be placed close to the device's power pins.
  • The gain and bandwidth of the AD8138AR can be optimized by adjusting the gain resistors (Rf and Rg) and the feedback capacitor (Cf). A higher gain can be achieved by increasing Rf and decreasing Rg, while a wider bandwidth can be achieved by decreasing Cf. However, this may compromise the noise figure and stability of the amplifier.
  • The AD8138AR can handle input voltages up to ±10V, but it is recommended to limit the input voltage to ±5V to ensure optimal performance and prevent damage to the device.
  • Noise and distortion can be reduced by using a low-noise power supply, minimizing the input impedance, and using a high-quality input signal. Additionally, the AD8138AR has a noise reduction pin (NR) that can be connected to a capacitor to reduce noise and distortion.
  • Yes, the AD8138AR can be used in a differential amplifier configuration by connecting the inputs differentially and using a common-mode feedback network to set the common-mode voltage. This configuration can provide improved common-mode rejection and noise reduction.

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AD8138AR 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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