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AD7891ASZ-1REEL - Analog Devices

Description: Data Acquisition ADCs/DACs - Specialized 8 CHANNEL,12-BIT PARALLEL ADC I.C.

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AD7891ASZ-1REEL - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - S-44-2
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AD7891ASZ-1REEL Details

  • Manufacturer Part Number:

    AD7891ASZ-1REEL

  • Source Url Status Check Date:

    2013-05-01 14:56:21.525

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    LEAD FREE, PLASTIC, MO-112-AA-1, MQFP-44

  • Pin Count:

    44

  • Manufacturer Package Code:

    S-44-2

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    10 V

  • Analog Input Voltage-Min:

    -10 V

  • Conversion Time-Max:

    1.6 µs

  • Converter Type:

    DATA ACQUISITION DEVICE

  • JESD-30 Code:

    S-PQFP-G44

  • JESD-609 Code:

    e3

  • Length:

    10 mm

  • Linearity Error-Max (EL):

    0.0244%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    8

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL, PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QFP

  • Package Equivalence Code:

    QFP44,.57SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.454 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    2.45 mm

  • Supply Current-Max:

    21 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:

    0.8 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    10 mm

AD7891ASZ-1REEL Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a star-ground configuration, and keep the analog signal traces away from the digital signal traces. Additionally, use a low-ESR capacitor for the VREF pin and a 0.1uF capacitor for the AVDD pin.
  • The AD7891ASZ-1REEL has an internal calibration circuit that can be used to calibrate the device. The calibration process involves shorting the VIN+ and VIN- pins together and applying a voltage to the VREF pin. The device will then adjust its internal gain and offset to ensure accurate conversions.
  • The maximum sampling rate of the AD7891ASZ-1REEL is 200 kHz. The power consumption of the device increases with the sampling rate, so it's essential to consider the trade-off between sampling rate and power consumption in the system design.
  • The AD7891ASZ-1REEL outputs 12-bit digital data in a serial format. The output data is in two's complement format, and it's essential to consider the sign bit when processing the data. The device also has a BUSY output that indicates when the conversion is complete.
  • The recommended power-up sequence for the AD7891ASZ-1REEL is to power up the AVDD pin first, followed by the DVDD pin. This ensures that the analog circuitry is powered up before the digital circuitry, which helps to prevent latch-up and ensures proper device operation.

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AD7891ASZ-1REEL 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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