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AD7731BR - Analog Devices

Description: Analog to Digital Converters - ADC Low Noise 24-Bit High Throughput

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AD7731BR - Analog Devices - PCB symbol
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AD7731BR - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RW-24 (SOIC)
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AD7731BR - Analog Devices - 3D model - Small Outline Packages - RW-24 (SOIC)
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AD7731BR Details

  • Manufacturer Part Number:

    AD7731BR

  • Source Url Status Check Date:

    2013-05-01 14:56:20.208

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    MS-013AD, SOIC-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    RW-24

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Analog Input Voltage-Max:

    1.28 V

  • Analog Input Voltage-Min:

    -1.28 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e0

  • Length:

    15.4 mm

  • Linearity Error-Max (EL):

    0.0015%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    6

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, OFFSET BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP24,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    240

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    10.3 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn85Pb15)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    7.5 mm

AD7731BR Frequently Asked Questions (FAQs)

  • The AD7731BR is a high-precision analog-to-digital converter, and its performance can be affected by the PCB layout and component placement. It is recommended to follow a star-grounding scheme, keep the analog and digital grounds separate, and place the device close to the analog signal sources. Additionally, decoupling capacitors should be placed as close as possible to the device's power pins.
  • The AD7731BR has an internal calibration mechanism that can be initiated by writing to the CAL register. The device can be calibrated in either a self-calibration mode or a system-calibration mode. In self-calibration mode, the device calibrates its internal offset and gain errors. In system-calibration mode, the device calibrates its offset and gain errors based on an external reference voltage.
  • The maximum sampling rate of the AD7731BR is 15.4 kHz. However, the actual sampling rate may be limited by the settling time of the analog input signal, the clock frequency, and the conversion mode.
  • Yes, the AD7731BR can be used with an external reference voltage. The device has a REFIN pin that can be connected to an external reference voltage source. The external reference voltage should be within the range of 2.5 V to 5.5 V.
  • The AD7731BR's digital output data is in a 24-bit twos-complement format. The data can be read from the device's data registers through a serial interface. The data should be processed and scaled according to the device's gain and offset settings to obtain the correct analog input voltage value.

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AD7731BR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like AD773, 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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