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AD7899AR-1 - Analog Devices

Description: 14-Bit kSPS Analog-to-Digital Converters

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AD7899AR-1 - Analog Devices - PCB symbol
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PCB Footprints
AD7899AR-1 - Analog Devices PCB footprint - Other - Other - SOIC127P1032X265-28N
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AD7899AR-1 - Analog Devices - 3D model - Other - SOIC127P1032X265-28N
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AD7899AR-1 Details

  • Manufacturer Part Number:

    AD7899AR-1

  • Source Url Status Check Date:

    2013-05-01 14:56:21.737

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    RW-28

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Analog Input Voltage-Max:

    10 V

  • Analog Input Voltage-Min:

    -10 V

  • Conversion Time-Max:

    2.2 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e0

  • Length:

    17.9 mm

  • Linearity Error-Max (EL):

    0.0122%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    2

  • Number of Bits:

    14

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP28,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    240

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.4 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    7.5 mm

AD7899AR-1 Frequently Asked Questions (FAQs)

  • A good layout and routing practice for the AD7899AR-1 involves keeping the analog and digital grounds separate, using a star-ground configuration, and placing the device close to the analog signal sources. Additionally, use short and direct traces for the analog signals, and avoid running digital signals near the analog signals.
  • The self-heating effect of the AD7899AR-1 can be minimized by using a thermally conductive material for the PCB, keeping the device away from other heat sources, and using a heat sink if necessary. The self-heating effect can cause a temperature drift of up to 0.5°C, which can result in an error of up to 0.5 LSB. This can be calibrated out during the manufacturing process or compensated for in the system design.
  • The recommended power-up sequence for the AD7899AR-1 is to apply the analog power supply (VCC) first, followed by the digital power supply (VDD), and then the clock signal. This ensures that the internal circuitry is properly initialized and prevents latch-up or damage.
  • A suitable reference voltage for the AD7899AR-1 can be implemented using an external reference voltage source, such as the ADR421 or the AD780. Using an external reference voltage can improve the accuracy and stability of the ADC, but it also increases the overall system cost and complexity.
  • The AD7899AR-1 is a sensitive analog device and requires proper shielding and filtering to prevent electromagnetic interference (EMI) and radio-frequency interference (RFI). Use a shielded enclosure, keep the device away from sources of EMI and RFI, and use filters and shielding on the input signals to ensure electromagnetic compatibility.

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AD7899AR-1 Overview

Use the download button to access the AD7899AR-1 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like AD789, or try a keyword search, such as Analog to Digital Converters

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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