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AD7548JN - Analog Devices

Description: Analog Devices AD7548JN, Parallel DAC, 20-Pin PDIP

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AD7548JN - Analog Devices - PCB symbol
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PCB Footprints
AD7548JN - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N-20 PDIP
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AD7548JN - Analog Devices - 3D model - Dual-In-Line Packages - N-20 PDIP
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AD7548JN Details

  • Manufacturer Part Number:

    AD7548JN

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    N-20

  • HTS Code:

    8542.39.00.40

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    OFFSET BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e0

  • Length:

    27.035 mm

  • Linearity Error-Max (EL):

    2.3438%

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Settling Time-Nom (tstl):

    1.5 µs

  • Supply Current-Max:

    3 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin/Lead (Sn85Pb15)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

AD7548JN Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VDD, and then the digital inputs. This ensures that the internal voltage regulators are powered up correctly and prevents any potential latch-up conditions.
  • To ensure accurate voltage output, it is essential to use a high-quality external voltage reference, such as the ADR421 or ADR431, and to follow proper PCB layout and grounding techniques to minimize noise and interference.
  • The AD7548JN can source or sink up to 10 mA of current per channel, making it suitable for driving resistive loads, such as potentiometers or rheostats, but not suitable for driving inductive loads or high-current applications.
  • The AD7548JN is programmed using a 16-bit serial interface, where the desired output voltage is specified as a digital code. The digital code is calculated based on the desired output voltage, the reference voltage, and the gain of the device. The datasheet provides a detailed explanation of the programming process.
  • The settling time of the AD7548JN is typically around 10 μs to 20 μs, depending on the output voltage and the load capacitance. This means that the device can settle to within 1 LSB of the final output voltage within 10 μs to 20 μs after a programming change.

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AD7548JN 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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