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AD549LH - Analog Devices

Description: Ultralow Input-Bias Current Operational Amplifier

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AD549LH - Analog Devices - PCB symbol
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AD549LH - Analog Devices PCB footprint - Other - Other - TO254P895X470-8P
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AD549LH Details

  • Manufacturer Part Number:

    AD549LH

  • Source Url Status Check Date:

    2013-05-01 14:56:13.031

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    BCY

  • Package Description:

    HERMETIC SEALED, METAL CAN, MO-002AK, TO-99, 8 PIN

  • Pin Count:

    8

  • Manufacturer Package Code:

    H-08-1

  • 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):

    6e-8 µA

  • Bias Current-Max (IIB) @25C:

    6e-8 µA

  • Common-mode Reject Ratio-Min:

    90 dB

  • Common-mode Reject Ratio-Nom:

    90 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    900 µV

  • JESD-30 Code:

    O-MBCY-W8

  • JESD-609 Code:

    e0

  • Low-Bias:

    YES

  • 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:

    70 °C

  • Package Body Material:

    METAL

  • Package Code:

    BCY

  • Package Equivalence Code:

    CAN8,.2

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Slew Rate-Min:

    2 V/us

  • Slew Rate-Nom:

    3 V/us

  • Supply Current-Max:

    0.7 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    WIRE

  • Terminal Position:

    BOTTOM

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

    40

  • Unity Gain BW-Nom:

    1000

  • Voltage Gain-Min:

    100000

  • Wideband:

    NO

AD549LH Frequently Asked Questions (FAQs)

  • A star-grounding technique is recommended, where the analog and digital grounds are separated and connected at a single point. This helps to reduce noise and electromagnetic interference (EMI). Additionally, it's essential to keep the analog and digital signal traces separate and avoid running them parallel to each other.
  • The AD549LH requires a two-point calibration process. First, apply a zero-scale input and adjust the offset trim (RTRIM) to achieve a zero output. Then, apply a full-scale input and adjust the gain trim (GTRIM) to achieve the desired output. It's essential to follow the recommended calibration procedure outlined in the datasheet to ensure accurate results.
  • A decoupling capacitor (e.g., 10uF) should be placed as close as possible to the AD549LH's power pins. Additionally, a filter network consisting of a series resistor (e.g., 10Ω) and a capacitor (e.g., 10uF) can be used to further reduce noise and ripple. This helps to ensure a stable power supply and minimize the impact of noise on the AD549LH's performance.
  • The AD549LH's output voltage swing can be adjusted using the gain trim (GTRIM) and the output amplifier's gain. To ensure the output voltage is within the desired range, it's essential to carefully select the gain and offset values during calibration. Additionally, consider using an external amplifier or buffer stage to further condition the output signal if necessary.
  • The AD549LH is sensitive to temperature, and proper thermal management is crucial. Ensure good airflow around the device, and consider using a heat sink or thermal interface material to reduce thermal resistance. Operate the device within the recommended temperature range (-40°C to +85°C), and avoid exposing it to extreme temperatures or thermal shocks.

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AD549LH 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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AD549LH Alternates

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Part Image AD549LHZ Rochester Electronics LLC

OP-AMP, 900 uV OFFSET-MAX, 1 MHz BAND WIDTH, MBCY8, ROHS COMPLIANT, HERMETIC SEALED, METAL CAN, MO-002AK, TO-99, 8 PIN