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AD7945ANZ-B - Analog Devices

Description: Analog Devices AD7945ANZ-B, 12 bit Parallel DAC, 1.7Msps, 20-Pin PDIP

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AD7945ANZ-B - Analog Devices - PCB symbol
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AD7945ANZ-B - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 20-Lead Plastic DIP (N-20)
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AD7945ANZ-B Details

  • Manufacturer Part Number:

    AD7945ANZ-B

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    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:

    10

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY, OFFSET 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.33 mm

  • Settling Time-Nom (tstl):

    5 µs

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    NO

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

AD7945ANZ-B Frequently Asked Questions (FAQs)

  • The AD7945ANZ-B requires careful layout and routing to minimize noise and ensure accurate conversions. It is recommended to follow a star-ground configuration, keep analog and digital traces separate, and use a solid ground plane. Additionally, the analog input traces should be shielded and kept away from digital traces. A detailed layout and routing guide can be found in the AD7945ANZ-B evaluation board documentation.
  • The AD7945ANZ-B has an internal calibration circuit that can be used to calibrate the device. The calibration process involves applying a known input voltage and then reading the output code. The calibration data can then be used to correct for any offset and gain errors. A detailed calibration procedure can be found in the AD7945ANZ-B datasheet and application notes.
  • The maximum sampling rate of the AD7945ANZ-B is 250 kSPS. However, the actual sampling rate that can be achieved depends on the system clock frequency, the conversion mode, and the interface mode. The datasheet provides a detailed table showing the maximum sampling rates for different system clock frequencies and conversion modes.
  • Yes, the AD7945ANZ-B can be used in a multiplexed mode to convert multiple channels. The device has a built-in multiplexer that allows up to 4 channels to be multiplexed. The multiplexer can be controlled using the MUX[3:0] pins, and the channel selection can be done using the CH[3:0] pins. A detailed description of the multiplexed mode can be found in the AD7945ANZ-B datasheet.
  • The power consumption of the AD7945ANZ-B depends on the system clock frequency, the conversion mode, and the interface mode. The typical power consumption is around 15 mW at 250 kSPS. The power consumption can be reduced by reducing the system clock frequency, using the power-down mode, and minimizing the number of conversions. A detailed power consumption table can be found in the AD7945ANZ-B datasheet.

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AD7945ANZ-B 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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