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AD7703ARZ - Analog Devices

Description: LC2MOS 20-Bit A/D Converter

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AD7703ARZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 20-Lead Standard Small Outline Package [SOIC] Wide Body (R-20)
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AD7703ARZ - Analog Devices  - 3D model - Small Outline Packages - 20-Lead Standard Small Outline Package [SOIC] Wide Body (R-20)
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AD7703ARZ Details

  • Manufacturer Part Number:

    AD7703ARZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    RW-20

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    2.5 V

  • Analog Input Voltage-Min:

    -2.5 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • Linearity Error-Max (EL):

    0.003%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -5 V

  • Number of Analog In Channels:

    1

  • Number of Bits:

    20

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • 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 Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.016 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    2.65 mm

  • 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

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

    30

  • Width:

    7.5 mm

AD7703ARZ Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital supplies (DVCC and OVCC). This ensures that the analog and digital sections of the device are powered up correctly.
  • To optimize noise performance, use a low-noise voltage reference, minimize digital noise coupling, and use a quiet analog ground plane. Additionally, consider using a capacitor on the REFIN pin to filter out high-frequency noise.
  • The maximum sampling rate of the AD7703ARZ is 153.6 kHz, but this can be limited by the settling time of the analog input signal and the conversion time of the ADC.
  • Use external protection diodes or voltage clamps to limit the voltage on the analog input pins to within the recommended range. Additionally, consider using a voltage limiter or a resistive divider to attenuate the input signal.
  • The SYNC pin is used to synchronize the conversion process with an external clock signal. This allows multiple AD7703ARZ devices to be synchronized in a multi-channel system.

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AD7703ARZ 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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