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AD844AN - Analog Devices

Description: Single fast op-amp,AD844AN DIP8

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AD844AN - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - AD844AN
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AD844AN Details

  • Manufacturer Part Number:

    AD844AN

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    MO-001

  • Package Description:

    PLASTIC, MO-001, DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    N-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    CURRENT-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.4 µA

  • Bias Current-Max (IIB) @25C:

    0.45 µA

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    500 µV

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e0

  • Length:

    9.27 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    NO

  • 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:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.33 mm

  • Slew Rate-Min:

    1200 V/us

  • Slew Rate-Nom:

    2000 V/us

  • Supply Current-Max:

    8.5 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    60000

  • Wideband:

    YES

  • Width:

    7.62 mm

AD844AN Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the AD844AN is 1.4W, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
  • To ensure stability, it's essential to follow proper PCB layout practices, use a low-ESR capacitor for decoupling, and consider adding a small capacitor (e.g., 10nF) in parallel with the feedback resistor to reduce oscillations.
  • The recommended input common-mode voltage range for the AD844AN is between VEE + 2V and VCC - 2V, where VEE is the negative supply voltage and VCC is the positive supply voltage.
  • While the AD844AN can be used as a comparator, it's not the most suitable choice due to its relatively slow slew rate (2.5V/μs) and limited output current (20mA). A dedicated comparator like the AD790 or AD8561 might be a better option.
  • To minimize EMI and RFI, use a shielded enclosure, keep signal lines short, and use twisted pairs or shielded cables for signal transmission. Additionally, consider adding EMI filters or ferrite beads to the power supply lines.

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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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