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AD7781CRUZ - Analog Devices

Description: 20 Bit Analog to Digital Converter 1 Input 1 Sigma-Delta 16-TSSOP

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AD7781CRUZ - Analog Devices - PCB symbol
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AD7781CRUZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RU-16 (TSSOP)
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AD7781CRUZ - Analog Devices - 3D model - Small Outline Packages - RU-16 (TSSOP)
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AD7781CRUZ Details

  • Manufacturer Part Number:

    AD7781CRUZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, PLASTIC, MO-153AB, TSSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    RU-16

  • 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-G16

  • JESD-609 Code:

    e3

  • Length:

    5 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:

    16

  • 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    0.5 mA

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

AD7781CRUZ Frequently Asked Questions (FAQs)

  • The AD7781CRUZ is a high-precision ADC, 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 ADC close to the analog signal sources. Additionally, decoupling capacitors should be placed as close as possible to the ADC's power pins.
  • The AD7781CRUZ has an internal calibration mechanism that can be initiated through the CAL bit in the Mode Register. The calibration process involves a series of internal measurements and adjustments to ensure accurate conversions. The datasheet provides a detailed calibration procedure, and it is recommended to follow it carefully to ensure optimal performance.
  • The AD7781CRUZ has a maximum sampling rate of 30 kSPS (kilo-samples per second). However, the actual sampling rate may be limited by the system's clock frequency, the conversion mode, and the settling time of the analog input signal.
  • Yes, the AD7781CRUZ can be used with an external reference voltage. The device has a dedicated REFIN pin that can be connected to an external reference voltage source. The reference voltage range is 2.5 V to 5.5 V, and it is recommended to use a low-noise, low-drift reference voltage source to ensure accurate conversions.
  • The AD7781CRUZ has a power-on reset (POR) and brown-out reset (BOR) circuitry that ensures the device is in a known state after power-up or during power-down. The POR and BOR circuits can be controlled through the POR and BOR pins, respectively. It is recommended to connect these pins to a suitable voltage source or a reset circuit to ensure proper device operation.

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AD7781CRUZ 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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AD7781CRUZ Alternates

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Part Image AD7781CRUZ-REEL Analog Devices Inc

ADC, Delta-Sigma, 20-Bit, 1 Func, 1 Channel, Serial Access, PDSO16