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AD7247AQ - Analog Devices

Description: Analog Devices AD7247AQ, 2-Channel Parallel DAC, 24-Pin CDIP

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AD7247AQ - Analog Devices - PCB symbol
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AD7247AQ - Analog Devices PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - Q24-2022
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AD7247AQ Details

  • Manufacturer Part Number:

    AD7247AQ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    0.300 INCH, HERMETIC SEALED, CERDIP-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    Q-24-1

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Output Voltage-Max:

    5 V

  • Analog Output Voltage-Min:

    -5 V

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    R-GDIP-T24

  • JESD-609 Code:

    e0

  • Linearity Error-Max (EL):

    0.024%

  • Negative Supply Voltage-Nom:

    -12 V

  • Number of Bits:

    12

  • Number of Functions:

    2

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP24,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.715 mm

  • Settling Time-Max:

    10 µs

  • Supply Current-Max:

    15 mA

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

AD7247AQ Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the input and output traces short and away from each other. Additionally, use a low-ESR capacitor for the VCC pin and a 0.1uF capacitor for the AVCC pin.
  • To ensure proper calibration, follow the calibration procedure outlined in the datasheet, which involves shorting the VIN+ and VIN- pins together and adjusting the offset voltage to zero. Additionally, use a high-precision voltage reference and ensure the input voltage is within the specified range.
  • The recommended power-up sequence is to apply the analog power supply (AVCC) first, followed by the digital power supply (DVCC), and then the input voltage (VIN). This ensures that the internal biasing and references are established before the input voltage is applied.
  • To handle overvoltage protection, use external voltage limiting resistors and diodes to clamp the input voltage to within the specified range. Failure to do so can result in permanent damage to the device, incorrect operation, or even a latch-up condition.
  • Use a low-pass filter, such as an RC filter or a ferrite bead filter, to attenuate high-frequency noise and ripple on the input voltage. This helps to ensure accurate voltage measurement and prevent aliasing.

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AD7247AQ 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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