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AD637AQ - Analog Devices

Description: Analog Devices AD637AQ, True RMS-DC Converter 6mA, 2.2 → 13.5 V 14-Pin, CDIP

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AD637AQ - Analog Devices PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - Q-144
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AD637AQ Details

  • Manufacturer Part Number:

    AD637AQ

  • Source Url Status Check Date:

    2013-05-01 14:56:15.618

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    DIP

  • Package Description:

    CERDIP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    Q-14

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    3

  • Converter Type:

    RMS TO DC CONVERTER

  • JESD-30 Code:

    R-GDIP-T14

  • JESD-609 Code:

    e0

  • Length:

    19.43 mm

  • Linearity Error-Max (EL):

    0.05%

  • Negative Supply Voltage-Max:

    -18 V

  • Negative Supply Voltage-Min:

    -3 V

  • Negative Supply Voltage-Nom:

    -15 V

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Frequency-Max:

    0.15 MHz

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Positive Input Voltage-Max:

    7 V

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max:

    3 mA

  • Supply Voltage-Max:

    18 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    15 V

  • Surface Mount:

    NO

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Total Error-Max:

    0.6%

  • Width:

    7.62 mm

AD637AQ Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply the analog supply voltage (VA) first, followed by the digital supply voltage (VD). This ensures that the internal analog circuitry is powered up before the digital circuitry.
  • To optimize the layout, keep the analog and digital grounds separate, use a solid ground plane, and keep the input and output traces short and direct. Also, avoid running digital traces near the analog input pins.
  • The maximum allowable input voltage for the AD637AQ is ±16.5V, which is the absolute maximum rating. However, the recommended input voltage range is ±10V to ensure optimal performance.
  • Yes, the AD637AQ can be used in a single-supply application. However, the input common-mode voltage range is limited to VD/2 ± 10V, and the output voltage swing is reduced. Consult the datasheet for specific guidelines.
  • To reduce noise and EMI, use a low-pass filter at the input, keep the input and output traces short, and use a shielded enclosure. Also, consider using a ferrite bead or a common-mode choke to filter out high-frequency noise.

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AD637AQ 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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Part Image AD637JD Analog Devices Inc

RMS to DC Converter, 1 Func, 0.15MHz, CDIP14