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AD7843ARQZ-REEL7 - Analog Devices

Description: Touch Screen Controllers 2.7v 12-bit touch scren digitizer I.C.

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AD7843ARQZ-REEL7 - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RQ-16 (QSOP)_inch
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AD7843ARQZ-REEL7 - Analog Devices - 3D model - Small Outline Packages - RQ-16 (QSOP)_inch
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AD7843ARQZ-REEL7 Details

  • Manufacturer Part Number:

    AD7843ARQZ-REEL7

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Package Description:

    QSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    RQ-16

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    3.6 V

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Linearity Error-Max (EL):

    0.0488%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    4

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    TSSOP16,.24

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Sample Rate:

    0.125 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    1.7526 mm

  • Supply Current-Max:

    0.38 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:

    0.635 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9116 mm

AD7843ARQZ-REEL7 Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the analog and digital signal traces separate and away from each other. Additionally, use a low-ESR capacitor for the VCC pin and a 0.1uF capacitor for the AVCC pin.
  • The AD7843ARQZ-REEL7 has an internal calibration circuit that can be enabled by setting the CAL bit in the control register. The device also has a self-calibration feature that can be initiated by setting the SCL bit in the control register. It is recommended to perform a full calibration cycle after power-up and after any changes to the reference voltage or clock frequency.
  • The maximum clock frequency for the AD7843ARQZ-REEL7 is 20 MHz. However, the actual clock frequency used should be determined by the specific application requirements and the desired conversion rate.
  • If the AD7843ARQZ-REEL7 is not converting data correctly or is producing incorrect results, check the power supply voltage, clock frequency, and reference voltage to ensure they are within the recommended specifications. Also, verify that the device is properly calibrated and that the input signals are within the recommended range. If the issue persists, consult the datasheet and application notes for troubleshooting guidelines.
  • Yes, the AD7843ARQZ-REEL7 can be used in a multi-channel application. The device has a built-in multiplexer that allows it to convert multiple analog input channels. The channel selection is done through the CH[3:0] pins, and the device can convert up to 4 channels. The conversion sequence can be programmed through the control register.

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AD7843ARQZ-REEL7 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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