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AD7948BRZ - Analog Devices

Description: AD7948BRZ, 12 bit-Bit DAC 1.7Msps, Parallel, 20-Pin SOIC W

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AD7948BRZ - Analog Devices - PCB symbol
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PCB Footprints
AD7948BRZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 20-Lead SOIC (R-20)
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AD7948BRZ - Analog Devices - 3D model - Small Outline Packages - 20-Lead SOIC (R-20)
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AD7948BRZ Details

  • Manufacturer Part Number:

    AD7948BRZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    RW-20

  • Country Of Origin:

    Taiwan

  • 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, 8 BITS

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • Linearity Error-Max (EL):

    0.0122%

  • Moisture Sensitivity Level:

    1

  • 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:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Settling Time-Max:

    0.6 µs

  • Settling Time-Nom (tstl):

    0.6 µs

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.5 mm

AD7948BRZ Frequently Asked Questions (FAQs)

  • A good layout and routing practice for the AD7948BRZ involves separating the analog and digital sections, using a solid ground plane, and keeping the analog input traces short and away from digital signals. Additionally, it's recommended to use a low-impedance source for the analog input and to decouple the power supplies with capacitors.
  • To optimize the AD7948BRZ's performance, consider the following: choose the correct gain setting for your input signal range, select the appropriate clock frequency, and adjust the internal reference voltage to match your application's requirements. Additionally, consider using an external reference voltage if needed, and ensure proper power supply decoupling and filtering.
  • The maximum sampling rate of the AD7948BRZ is 250 kSPS. However, the actual achievable sampling rate depends on the clock frequency, conversion mode, and power consumption. Higher sampling rates increase power consumption, so it's essential to balance the sampling rate with power consumption requirements for your application.
  • The AD7948BRZ's digital output data is available in a 16-bit, two's complement format. It's recommended to use a microcontroller or FPGA to handle the data, and to consider using a SPI or I2C interface for communication. Ensure proper synchronization and data alignment when processing the output data.
  • Common sources of error in the AD7948BRZ include noise, offset voltage, gain error, and nonlinearity. To minimize these errors, ensure proper power supply decoupling, use a low-noise analog input source, and consider using an external reference voltage. Additionally, calibrate the device during production or use the internal calibration feature to minimize offset and gain errors.

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AD7948BRZ Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like AD794, or try a keyword search, such as Digital to Analog Converters

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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