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AD7721ARZ - Analog Devices

Description: AD7721ARZ, 16 bit ADC Differential,, Parallel, Serial, 28-Pin SOIC W

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AD7721ARZ - Analog Devices - PCB symbol
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AD7721ARZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 28-Lead Small Outline Package (R-28)_
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AD7721ARZ - Analog Devices - 3D model - Small Outline Packages - 28-Lead Small Outline Package (R-28)_
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AD7721ARZ Details

  • Manufacturer Part Number:

    AD7721ARZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    0.300 INCH, SOIC-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    RW-28

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    1.25 V

  • Analog Input Voltage-Min:

    -1.25 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    17.9 mm

  • Linearity Error-Max (EL):

    0.1953%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    1

  • Number of Bits:

    16

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL, PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP28,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.468 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    28.5 mA

  • Supply Voltage-Nom:

    5 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

  • Width:

    7.5 mm

AD7721ARZ Frequently Asked Questions (FAQs)

  • The AD7721ARZ requires careful layout and placement to ensure optimal performance. It is recommended to place the device close to the analog signal sources, use a solid ground plane, and keep the analog and digital signals separate. Additionally, the device should be decoupled with a 10uF capacitor between VCC and GND, and a 100nF capacitor between AVCC and AGND.
  • To optimize the AD7721ARZ for low noise performance, ensure that the device is operated within its recommended operating conditions, use a low-noise power supply, and minimize digital noise coupling into the analog circuitry. Additionally, use a low-pass filter on the analog input signals and ensure that the analog input signals are properly terminated.
  • The maximum sampling rate of the AD7721ARZ is 250 kSPS. However, the actual sampling rate may be limited by the system's clock frequency, the analog input signal's bandwidth, and the device's settling time.
  • The AD7721ARZ can be interfaced with a microcontroller through its SPI-compatible serial interface. The microcontroller should be configured to operate in SPI master mode, and the AD7721ARZ should be configured as a slave device. The microcontroller should also provide a clock signal to the AD7721ARZ.
  • The power consumption of the AD7721ARZ depends on the operating conditions, such as the sampling rate, voltage supply, and temperature. Typically, the device consumes around 15 mW of power when operating at 250 kSPS with a 5V supply voltage.

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AD7721ARZ 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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