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AD797ARZ-REEL - Analog Devices

Description: Microphone Preamplifiers Ultralow Distortion Ultralow Noise

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AD797ARZ-REEL - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R8
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AD797ARZ-REEL Details

  • Manufacturer Part Number:

    AD797ARZ-REEL

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, MS-012AA, SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    3 µA

  • Bias Current-Max (IIB) @25C:

    1.5 µA

  • Common-mode Reject Ratio-Min:

    110 dB

  • Common-mode Reject Ratio-Nom:

    120 dB

  • Frequency Compensation:

    YES (AVCL>=10)

  • Input Offset Voltage-Max:

    180 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 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 OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Min:

    12.5 V/us

  • Slew Rate-Nom:

    20 V/us

  • Supply Current-Max:

    10.5 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    110000

  • Voltage Gain-Min:

    1000000

  • Wideband:

    NO

  • Width:

    3.9 mm

AD797ARZ-REEL Frequently Asked Questions (FAQs)

  • A good PCB layout for the AD797ARZ-REEL involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the power pins. Additionally, it's recommended to use a thermal relief pattern on the PCB to help dissipate heat.
  • The choice of gain resistors for the AD797ARZ-REEL depends on the desired gain and bandwidth of the amplifier. A good starting point is to use 1 kΩ to 10 kΩ resistors for gains up to 100, and 100 Ω to 1 kΩ resistors for gains above 100. It's also important to consider the resistor's tolerance, temperature coefficient, and parasitic capacitance.
  • The maximum power dissipation of the AD797ARZ-REEL is 1.4 W. To calculate the power dissipation, use the formula: Pd = (Vcc x Icc) + (Vee x Iee), where Vcc and Vee are the supply voltages, and Icc and Iee are the supply currents. Make sure to also consider the thermal resistance of the package and the ambient temperature.
  • Yes, the AD797ARZ-REEL can be used as a unity-gain buffer. However, it's important to consider the input bias current and input offset voltage, which can affect the output voltage. Additionally, the output impedance of the buffer should be considered, especially if the load is capacitive or has a high impedance.
  • To protect the AD797ARZ-REEL from EMI, use shielding, filtering, and grounding techniques. Place the op-amp in a shielded enclosure, use ferrite beads or chokes on the input and output lines, and connect the grounds of the op-amp and the surrounding circuitry to a single point. Additionally, use a low-pass filter or a common-mode choke to filter out high-frequency noise.

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AD797ARZ-REEL 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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AD797ARZ-REEL Alternates

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