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AD8639ACPZ-R2 - Analog Devices

Description: Analog Devices AD8639ACPZ-R2, Dual Auto Zero Op Amp, 1.35MHz Rail-Rail, 5 → 16 V, 8-Pin LFCSP

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AD8639ACPZ-R2 - Analog Devices - PCB symbol
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AD8639ACPZ-R2 - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - CP-8-5
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AD8639ACPZ-R2 Details

  • Manufacturer Part Number:

    AD8639ACPZ-R2

  • Source Url Status Check Date:

    2013-05-01 14:56:29.223

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SON

  • Package Description:

    3 X 3 MM, ROHS COMPLIANT, MO-229WEED-4, LFCSP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    CP-8-5

  • 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):

    0.000105 µA

  • Bias Current-Max (IIB) @25C:

    0.000075 µA

  • Common-mode Reject Ratio-Min:

    118 dB

  • Common-mode Reject Ratio-Nom:

    133 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    23 µV

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Low-Bias:

    YES

  • Low-Offset:

    YES

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.11,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Slew Rate-Nom:

    2.5 V/us

  • Supply Current-Max:

    3.4 mA

  • Supply Voltage Limit-Max:

    16 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    1350

  • Voltage Gain-Min:

    891000

  • Wideband:

    NO

  • Width:

    3 mm

AD8639ACPZ-R2 Frequently Asked Questions (FAQs)

  • A good layout and PCB design for the AD8639 involves keeping the input and output traces short and away from noise sources, using a solid ground plane, and decoupling the power supplies with 10uF and 0.1uF capacitors. Additionally, it's recommended to use a low-ESR capacitor for the compensation capacitor (Ccomp) and to keep the feedback resistors close to the op-amp.
  • The recommended Ccomp value depends on the gain and bandwidth requirements of the application. A general guideline is to use a value between 10pF and 100pF. For higher gains, a smaller Ccomp value is recommended, while for lower gains, a larger Ccomp value can be used. It's also important to consider the parasitic capacitance of the PCB and the feedback resistors when selecting the Ccomp value.
  • The maximum power dissipation of the AD8639 is limited by the junction temperature (TJ) of 150°C. The power dissipation can be calculated using the formula: Pd = (Vcc x Icc) + (Vout x Iout), where Vcc is the supply voltage, Icc is the quiescent current, Vout is the output voltage, and Iout is the output current. The maximum power dissipation can be calculated by ensuring that the junction temperature does not exceed 150°C.
  • Yes, the AD8639 can be used as a unity-gain buffer. However, it's important to ensure that the input impedance is high enough to avoid loading the input signal. Additionally, the output impedance of the op-amp should be considered, as it can affect the output signal. It's also recommended to use a low-ESR capacitor for the compensation capacitor (Ccomp) to ensure stability.
  • To handle EMI and RFI in your design, it's recommended to use proper shielding, grounding, and filtering techniques. The AD8639 has a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), which helps to reject noise and interference. Additionally, using a low-pass filter at the input and output of the op-amp can help to reduce high-frequency noise and interference.

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AD8639ACPZ-R2 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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