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AD7781BRZ-REEL - Analog Devices

Description: 20-Bit, Pin-Programmable, Low Power Sigma-Delta ADC

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AD7781BRZ-REEL - Analog Devices - PCB symbol
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AD7781BRZ-REEL - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-14 (SOIC)
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AD7781BRZ-REEL - Analog Devices - 3D model - Small Outline Packages - R-14 (SOIC)
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AD7781BRZ-REEL Details

  • Manufacturer Part Number:

    AD7781BRZ-REEL

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    R-14

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    5 V

  • Analog Input Voltage-Min:

    -5 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    8.65 mm

  • Linearity Error-Max (EL):

    0.0006%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    1

  • Number of Bits:

    20

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    OFFSET BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.4 mA

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

AD7781BRZ-REEL Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the AD7781BRZ-REEL can be found in the AD7781 Evaluation Board documentation, which provides a detailed layout guide and PCB design files. Additionally, Analog Devices provides a layout guide in the AD7781 datasheet, which includes recommendations for component placement, routing, and grounding.
  • The AD7781BRZ-REEL has an internal calibration mechanism that can be initiated through the CAL pin. The calibration process involves shorting the CAL pin to the VDD pin, which triggers the internal calibration sequence. The device also has an external calibration mode, which allows the user to calibrate the device using an external voltage reference. The calibration procedure is detailed in the AD7781 datasheet.
  • The maximum sampling rate of the AD7781BRZ-REEL is 30 kSPS (kilo-samples per second). However, the actual sampling rate may be limited by the system clock frequency, the conversion mode, and the filter settings. The datasheet provides more information on the sampling rate and its dependencies.
  • The AD7781BRZ-REEL is specified to operate from a 2.7V to 5.5V power supply. However, the device's performance may be affected when operating at the upper end of the voltage range. It is recommended to operate the device at a voltage close to 3.3V for optimal performance. Additionally, the device's power consumption increases with the supply voltage, so operating at 5V may increase power consumption.
  • The AD7781BRZ-REEL has a serial interface that can be connected to a microcontroller's SPI or I2C interface. The device requires a clock signal, a data input/output line, and a chip select line. The microcontroller can control the AD7781BRZ-REEL's operation, including setting the conversion mode, filter settings, and reading the conversion results. The datasheet provides more information on the interface timing and protocol.

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AD7781BRZ-REEL 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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