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AD7545KNZ - Analog Devices

Description: AD7545KNZ, 12 bit-Bit DAC Parallel, 20-Pin PDIP

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AD7545KNZ - Analog Devices - PCB symbol
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AD7545KNZ - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N-20-ren1
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AD7545KNZ - Analog Devices - 3D model - Dual-In-Line Packages - N-20-ren1
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AD7545KNZ Details

  • Manufacturer Part Number:

    AD7545KNZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    DIP

  • Package Description:

    0.300 INCH, PLASTIC, DIP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    N-20

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    3

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e3

  • Length:

    25.2 mm

  • Linearity Error-Max (EL):

    0.0244%

  • Number of Bits:

    12

  • 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:

    5.33 mm

  • Settling Time-Max:

    2 µs

  • Supply Current-Max:

    2 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

AD7545KNZ 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 sensitive analog signals away from the digital signals. Also, use a low-ESR capacitor for decoupling and place it close to the device.
  • To configure the AD7545KNZ for bipolar output voltage operation, connect the VREF pin to a reference voltage (e.g., 2.5V), set the BIPOLAR bit in the control register to 1, and ensure the output voltage range is set correctly using the DAC register.
  • The AD7545KNZ can source or sink up to 10mA of output current. However, high output currents can affect the output voltage accuracy due to the internal output impedance. To maintain accuracy, it's recommended to keep the output current below 5mA.
  • You can implement a voltage buffer or amplifier using an op-amp (e.g., OP07 or AD8065) in a non-inverting configuration. Connect the output of the AD7545KNZ to the non-inverting input of the op-amp, and the output of the op-amp to the load. This will increase the output current capability while maintaining the output voltage accuracy.
  • The AD7545KNZ's performance is affected by temperature, with a typical temperature coefficient of ±3ppm/°C for the DAC output voltage. To compensate for temperature drift, you can use an external temperature sensor and adjust the DAC output voltage accordingly using a microcontroller or a temperature compensation circuit.

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AD7545KNZ 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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