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AD7893AR-2 - Analog Devices

Description: LC2 MOS 12-Bit, Serial 6 ms ADC in 8-Pin Package

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AD7893AR-2 - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - (SO-8)
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AD7893AR-2 Details

  • Manufacturer Part Number:

    AD7893AR-2

  • Source Url Status Check Date:

    2013-05-01 14:56:21.587

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Analog Input Voltage-Max:

    2.5 V

  • Conversion Time-Max:

    6 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    4.9 mm

  • Linearity Error-Max (EL):

    0.0244%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    1

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    240

  • Qualification Status:

    Not Qualified

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    9 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn85Pb15)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

AD7893AR-2 Frequently Asked Questions (FAQs)

  • The AD7893AR-2 is a high-speed, high-precision ADC, and as such, it requires careful layout and placement to minimize noise and ensure optimal performance. It is recommended to follow the guidelines provided in the datasheet, including keeping the analog and digital grounds separate, using a solid ground plane, and placing the ADC close to the analog signal sources. Additionally, it is recommended to use a four-layer PCB with a dedicated analog power plane and a dedicated digital power plane.
  • The AD7893AR-2 outputs 16-bit data, and it is recommended to use a FIFO or a buffer to handle the output data. The recommended data processing and filtering depend on the specific application, but common techniques include averaging, filtering, and decimation. It is also recommended to use a digital filter to remove noise and aliasing, and to use a microcontroller or DSP to process the data.
  • The maximum sampling rate of the AD7893AR-2 is 100 kSPS, and it affects the power consumption significantly. As the sampling rate increases, the power consumption also increases. At the maximum sampling rate, the power consumption is approximately 15 mW. It is recommended to use a lower sampling rate if possible to reduce power consumption and heat generation.
  • The AD7893AR-2 requires calibration to ensure accurate conversion. The recommended calibration procedure involves applying a known input voltage and adjusting the offset and gain to achieve the desired accuracy. The datasheet provides a detailed calibration procedure, and it is recommended to follow it carefully to ensure optimal performance.
  • The AD7893AR-2 has an operating temperature range of -40°C to +85°C, and it affects the performance significantly. The ADC's accuracy and linearity are affected by temperature, and it is recommended to use temperature compensation and calibration to ensure optimal performance over the entire temperature range.

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AD7893AR-2 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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